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Learn valuation methodologies and factors that determine true business worth in 2026.", "url": "https://www.dealflowagent.com/blog/complete-business-valuation-guide-2025-owners-undervalue-companies", "image": "https://files.manuscdn.com/user_upload_by_module/session_file/117181091/KIKxQeArcmNFLTFt.jpg", "author": { "@type": "Organization", "name": "DealFlowAgent", "url": "https://www.dealflowagent.com" }, "publisher": { "@type": "Organization", "name": "DealFlowAgent", "logo": { "@type": "ImageObject", "url": "https://www.dealflowagent.com/social-share-thumbnail.webp" } }, "datePublished": "2025-09-01T10:00:00+00:00" }, { "@context": "https://schema.org", "@type": "VideoObject", "name": "Introduction to DealFlowAgent from founder Joe Lewin", "description": "Joe Lewin, founder of DealFlowAgent, explains how the firm helps owners of building services, facilities management and healthcare businesses run a confidential, competitive sale process with 13,000+ vetted acquirers.", "thumbnailUrl": [ "https://dealflowagent.com/og-image.png" ], "uploadDate": "2026-08-05", "embedUrl": "https://www.tella.tv/video/vid_cmqs8w3m300c004jp8jf79ugo/embed?b=0&title=0&a=1&loop=1&t=0&muted=0&wt=0&o=0", "contentUrl": "https://www.tella.tv/video/vid_cmqs8w3m300c004jp8jf79ugo", "publisher": { "@type": "Organization", "name": "DealFlowAgent", "url": "https://dealflowagent.com" } } ] --- [![DealFlowAgent](/assets/dealflowagent-logo-white-BtiUZq_y.webp)](/) Sectors Refer an Owner [Valuation Guides](/valuation/guides)[Exit Planning](/exit-planning)[Blog](/blog)Book a Call[Careers](/careers) [🇬🇧 +44 20 7293 0327](tel:+442072930327)| [🇺🇸 +1 (447) 837-9720](tel:+14478379720) [Whatsapp](https://wa.me/442072930327)[I'm an Owner](/valuation)[I'm a Buyer](/buyside) [I'm a buyer](/buyside)[](https://wa.me/442072930327)Book a Call Share [](https://www.linkedin.com/feed/?shareActive=true&text=Sharing%20this%20for%20the%20owners%20and%20advisers%20in%20my%20network%20working%20in%20building%20services%20and%20healthcare.%20The%20Complete%20Business%20Valuation%20Guide%202026%3A%20Why%2073%25%20of%20Owners%20Undervalue%20Their%20Companies.%20It%20is%20a%20clear%2C%20practical%20read%20on%20how%20buyers%20actually%20price%20these%20businesses%2C%20where%20value%20quietly%20leaks%20before%20a%20sale%2C%20and%20what%20can%20be%20fixed%20in%20the%20twelve%20months%20before%20a%20process%20starts.%20Useful%20whether%20or%20not%20an%20exit%20is%20close.%0A%0Ahttps%3A%2F%2Fwww.dealflowagent.com%2Fblog%2Fcomplete-business-valuation-guide-2025-owners-undervalue-companies)[](https://twitter.com/intent/tweet?text=The%20Complete%20Business%20Valuation%20Guide%202026%3A%20Why%2073%25%20of%20Owners%20Undervalue%20Their%20Companies%0A%0A&url=https%3A%2F%2Fwww.dealflowagent.com%2Fblog%2Fcomplete-business-valuation-guide-2025-owners-undervalue-companies)[](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.dealflowagent.com%2Fblog%2Fcomplete-business-valuation-guide-2025-owners-undervalue-companies) ![The Complete Business Valuation Guide 2026: Why 73% of Owners Undervalue Their Companies](/covers/complete-business-valuation-guide-2025-owners-undervalue-companies.jpg) # The Complete Business Valuation Guide 2026: Why 73% of Owners Undervalue Their Companies 73% of business owners undervalue their companies. Learn valuation methodologies and factors that determine true business worth in 2025. September 1, 2025 13 min read ![Joe Lewin](/media/a224fe8e-41a2-4c4e-a1b7-6b50b6c697db.webp) Author: Joe Lewin [LinkedIn](https://www.linkedin.com/in/jp-lewin/) Bio ## What is your business worth today? Enter your website and our M&A team will prepare a written valuation and exit optimisation report. No cost, no credit card, no obligation. Strictly confidential Company website URL Get Your Free Valuation Report **Strictly confidential.** Your personalized report is prepared by our internal team alone, the founder, head of M&A and associates. It is never shown to buyers or anyone outside the deal team without your permission. Already know your number? Get your free buyer list instead [Learn more about the valuation and value drivers report](/valuation) Confidential, no cost ## Considering selling your business? Send a short message and we will come back to you within 24 hours. First name Last name Email Phone Your question Send message Your details stay private. We never share them with acquirers without your written permission. _Serving business owners across the **United Kingdom and United States**_ ![Business Valuation Guide](https://files.manuscdn.com/blog_image_business_valuation.png) ## The Complete Business Valuation Guide 2026: Why 73% of Owners Undervalue Their Companies Business valuation remains one of the most misunderstood aspects of exit planning, with recent studies showing that 73% of business owners significantly underestimate their company's market value. This comprehensive guide reveals the methodologies, market dynamics, and strategic factors that determine true business worth in 2026's evolving M&A landscape. ## The Valuation Revolution: From Guesswork to Science Traditional business valuation approaches often relied on outdated multiples and generic industry benchmarks. Today's sophisticated buyers utilize advanced analytics, comparable transaction databases, and intelligence-led valuation models to determine precise company worth. [DealFlowAgent's valuation technology](/valuation) leverages these same methodologies to provide business owners with institutional-grade valuations. The gap between owner expectations and market reality has never been wider. [FE International's comprehensive valuation analysis](https://www.feinternational.com/blog/how-much-business-worth-valuation-2025) demonstrates how market corrections from 2021 peaks have created new valuation paradigms, with public SaaS multiples declining 60% while private market dynamics remain more stable. ## Understanding the Three Pillars of Business Valuation Modern business valuation relies on three fundamental approaches, each providing unique insights into company worth. The most sophisticated buyers and advisors utilize all three methodologies to triangulate accurate valuations. ### Asset-Based Valuation The asset-based approach focuses on tangible and intangible assets minus liabilities. While traditionally used for asset-heavy businesses, modern applications include intellectual property, customer relationships, and technology assets. [Avisen Legal's comprehensive guide](https://www.avisenlegal.com/business-valuation-methods-and-multiples/) explains how buyers increasingly value intangible assets in technology and service businesses. ### Market-Based Valuation Market-based valuation utilizes comparable transactions and public company multiples to determine value. [Equidam's analysis of 30,000+ companies](https://www.equidam.com/ebitda-multiples-trbc-industries/) reveals significant variation across industries, with EBITDA multiples ranging from 4.5x to 8x depending on sector dynamics and company characteristics. ### Income-Based Valuation The discounted cash flow (DCF) method projects future cash flows and discounts them to present value. This approach is particularly relevant for businesses with predictable revenue streams and growth trajectories. DealFlowAgent's intelligence-led platform utilizes sophisticated DCF models to project realistic business valuations. ## EBITDA vs. SDE: Choosing the Right Metric The choice between EBITDA and Seller's Discretionary Earnings (SDE) significantly impacts valuation outcomes. [Arthur Berry's detailed analysis](https://arthurberry.com/blog/valuation-101-the-importance-of-sellers-discretionary-earnings-sde/) explains how SDE represents the total financial benefit to an owner-operator, while EBITDA focuses on operational performance. Businesses under £2M revenue typically utilize SDE multiples of 2-3x, while larger companies transition to EBITDA multiples of 3-6x. [Baton Market's valuation guide](https://www.batonmarket.com/resources/own/how-to-value-a-company) emphasizes that add-backs must be defensible and well-documented to achieve optimal multiples. ## Industry-Specific Valuation Dynamics Valuation multiples vary dramatically across industries, reflecting different risk profiles, growth prospects, and market dynamics. [First Page Sage's industry analysis](https://firstpagesage.com/business/ebitda-multiples-for-small-business/) reveals that accounting firms can achieve up to 7.8x EBITDA multiples, while HVAC businesses may trade as low as 1.4x. Technology businesses with recurring revenue models command premium multiples due to predictable cash flows and scalability. Healthcare services benefit from demographic trends and regulatory barriers to entry. [DealFlowAgent's market intelligence](/valuation) provides real-time industry multiple data to optimize positioning strategies. ## The Hidden Value Multipliers Several factors can dramatically increase business valuations beyond basic financial metrics. Recurring revenue models typically command 1.5-2.0x multiple premiums due to predictability and customer retention. Geographic diversification reduces risk perception and increases buyer interest. Strong management teams and documented processes enable businesses to operate independently of founders, significantly increasing strategic value. [DealFlowAgent's exit planning services](/valuation) help identify and develop these value multipliers systematically. ## Market Timing and Valuation Impact Market conditions significantly influence valuation multiples and buyer behavior. [Kreischer Miller's Q1 2026 analysis](https://www.kmco.com/insights/private-company-ma-trending-multiples-through-q1-2025/) shows median EBITDA multiples at 3.7x, with significant sector variation based on market dynamics and investor appetite. The current environment of declining interest rates and private equity deployment pressure creates favorable conditions for premium valuations. However, market timing requires sophisticated analysis of buyer behavior, competitive dynamics, and economic trends. ## Technology's Role in Modern Valuation Artificial intelligence and machine learning are revolutionizing business valuation accuracy and speed. DealFlowAgent's proprietary technology analyzes thousands of comparable transactions, market trends, and buyer preferences to generate precise valuations in real-time. Traditional valuation methods often relied on outdated comparables and generic industry data. Modern intelligence-led approaches consider dynamic market conditions, buyer-specific preferences, and real-time transaction data to optimize valuation accuracy. ## Strategic Positioning for Maximum Value Optimal business positioning can increase valuations by 25-40% through strategic preparation and market positioning. [DealFlowAgent's buyer-matching technology](/buyer-match) identifies the most relevant acquirers for specific business profiles, ensuring maximum competitive tension and optimal valuations. The key is understanding buyer motivations, investment criteria, and strategic objectives. Different buyer types value different business characteristics, requiring tailored positioning strategies to maximize appeal and valuation multiples. ## Common Valuation Mistakes and How to Avoid Them The most common valuation error is relying on outdated or inappropriate comparables. Many business owners use generic industry multiples without considering company-specific factors, market conditions, or buyer preferences. [CGK Business Sales' valuation guide](https://cgkbusinesssales.com/business-valuation/) emphasizes the importance of professional valuation for accurate assessment. Another critical mistake is failing to optimize financial presentation and add-backs. Proper normalization of earnings and documentation of adjustments can significantly impact valuation outcomes. Professional guidance ensures optimal financial presentation and defensible add-backs. ## The Future of Business Valuation Valuation methodologies continue evolving with technological advancement and market sophistication. Environmental, social, and governance (ESG) factors increasingly influence valuations, particularly for institutional buyers and private equity firms. Data analytics, artificial intelligence, and real-time market intelligence are becoming standard tools for sophisticated valuations. DealFlowAgent's platform represents the future of business valuation, combining intelligence-led analytics with human expertise to optimize outcomes. ## Conclusion: Maximizing Your Business Value Understanding true business value requires sophisticated analysis, market intelligence, and strategic positioning. The gap between owner perceptions and market reality creates significant opportunities for those who invest in professional valuation and strategic preparation. DealFlowAgent's comprehensive UK and USA platform provides the technology, expertise, and market access necessary to achieve optimal valuations in today's competitive environment. Our intelligence-led approach ensures accurate valuations and strategic positioning for maximum exit value. * * * ## Why DealFlowAgent Delivers Higher Valuations Factor Traditional Broker DealFlowAgent **Buyer Database** 50-200 local contacts 2.1M+ global acquirers **Matching Technology** Manual search intelligence-led precision matching **Average Premium** Market rate +27% above comparable sales **Timeline** 9-18 months 10-16 weeks typical **Geographic Reach** Regional UK & USA coverage **Fee Structure** 10-12% commission Success fee only ## Frequently Asked Questions ### Q1: What's the difference between EBITDA and SDE multiples? **Answer:** SDE (Seller's Discretionary Earnings) includes owner compensation and discretionary expenses, typically used for businesses under £2M revenue with 2-3x multiples. EBITDA focuses on operational performance for larger businesses with 3-6x multiples. ### Q2: How do industry multiples vary in 2026? **Answer:** Industry multiples range significantly, from 1.4x for HVAC businesses to 7.8x for accounting firms. Technology and healthcare command premium multiples due to recurring revenue and growth prospects. ### Q3: What factors can increase my business valuation beyond financial metrics? **Answer:** Key value multipliers include recurring revenue (1.5-2.0x premium), geographic diversification, strong management teams, documented processes, and strategic market positioning. ### Q4: How accurate are online business valuation tools? **Answer:** Generic online tools often provide inaccurate estimates due to outdated comparables and lack of company-specific analysis. Professional valuations using intelligence-led platforms and current market data provide significantly more accurate results. ### Q5: When should I get a professional business valuation? **Answer:** Professional valuations are recommended 12-18 months before a planned exit, for strategic planning, estate planning, or when considering growth investments. Early valuation enables strategic improvements to maximize value. * * * ## Meet the DealFlowAgent Team Our team combines decades of M&A experience with cutting-edge AI technology to deliver exceptional exit outcomes for business owners across the UK and USA. **Joe Lewin** - Founder & Managing Director. Former investment banker with deep expertise in lower-middle market transactions. **Sam Pouyan** - Co-Founder & Chief of Staff. Operations leader ensuring seamless deal execution and client success. **Tim Armoo** - Strategic Advisor. Sold Fanbytes for 8 figures and brings founder-to-founder exit experience. **Sage** - AI Business Advisory Agent. Available 24/7 to provide strategic guidance and exit planning support. **Sterling** - AI Buyer Intelligence Agent. Matches your business with qualified acquirers from our database of 13,000+ active acquirers. [Get your free valuation](/valuation) to access our AI advisors, or [book a discovery call](https://calendly.com/joe-dealflowagent/30min) with Joe. Your Advisory Team ## Experienced Dealmakers Lead Your Exit A senior M&A bench, plus a sector specialist recruited for your industry on every deal. ![Duncan Moore, M&A Deal Lead at DealFlowAgent](/assets/duncan-moore-C2duPR51.jpg) M&A Deal Lead ### Duncan Moore M&A Deal Lead Joined full-time on 22 August 2026 from the largest M&A advisory firm in the UK, owned by K3 Capital. As an ex-Director he managed teams of M&A advisors, analysts and associates, working daily with business owners, buyers and stakeholders on live acquisition deals. Selected from 260 applicants alongside colleagues from investment banking backgrounds, he brings that experience and network to lead the advisory bench across Building Services, Facilities Management, and Healthcare. Read full bio Joined full-time on 22 August 2026 from the largest M&A advisory firm in the UK, owned by K3 Capital. As an ex-Director he managed teams of M&A advisors, analysts and associates, working daily with business owners, buyers and stakeholders on live acquisition deals. Selected from 260 applicants alongside colleagues from investment banking backgrounds, he brings that experience and network to lead the advisory bench across Building Services, Facilities Management, and Healthcare. ![Martin Watson, Senior Building Services & FM Advisor at DealFlowAgent](/__l5e/assets-v1/9be3db54-9672-4a9e-9b11-bb57e662ddc3/martin-watson.jpg) Industry Specialist ### Martin Watson Senior Building Services & FM Advisor [](https://www.linkedin.com/in/martinwatson) Martin is one of the most well-connected figures in UK fire, security, building services and FM. He is Chairman of both the Fire Industry Association and the British Security Industry Association, the only person in the UK to hold both roles simultaneously. Martin spent over a decade in senior leadership at Mitie, latterly as Industry Liaison Director for its fire and security division, helping scale the business past £500m in revenue and playing a role in the £366m acquisition of Marlowe plc, which created one of the UK's largest compliance, fire and security services groups. He joined DealFlowAgent because owners in these sectors deserve a genuine sector-specialist advisor across valuation, business optimisation and buyer access. In recognition of his industry roles, he acts in a personal, non-partisan capacity. Read full bio Martin is one of the most well-connected figures in UK fire, security, building services and FM. He is Chairman of both the Fire Industry Association and the British Security Industry Association, the only person in the UK to hold both roles simultaneously. Martin spent over a decade in senior leadership at Mitie, latterly as Industry Liaison Director for its fire and security division, helping scale the business past £500m in revenue and playing a role in the £366m acquisition of Marlowe plc, which created one of the UK's largest compliance, fire and security services groups. He joined DealFlowAgent because owners in these sectors deserve a genuine sector-specialist advisor across valuation, business optimisation and buyer access. In recognition of his industry roles, he acts in a personal, non-partisan capacity. ![Nick Barker, Industry Partner at DealFlowAgent and founder of FM Talent Partners](/images/nick-barker-fm-talent-partners.png) Industry Partner ### Nick Barker Industry Partner, Hiring and Leadership [](https://www.linkedin.com/in/nickbarker1/) Nick leads FM Talent Partners, the facilities management and real estate leadership search firm, and is a leading specialist in building services and FM management talent. He partners with DealFlowAgent on two-way referrals: helping business owners and acquirers fill the key roles that decide whether a business is sellable, and introducing owners who are thinking about their next chapter to a team that knows their industry and their market. Key-person dependency is one of the two most common reasons a sale collapses, and Nick fixes it at source. Read full bio Nick leads FM Talent Partners, the facilities management and real estate leadership search firm, and is a leading specialist in building services and FM management talent. He partners with DealFlowAgent on two-way referrals: helping business owners and acquirers fill the key roles that decide whether a business is sellable, and introducing owners who are thinking about their next chapter to a team that knows their industry and their market. Key-person dependency is one of the two most common reasons a sale collapses, and Nick fixes it at source. ![James Duboullay](/assets/james-duboullay-7K417Rji.jpg) ### James Duboullay Senior M&A Advisor - • 25+ years across investment banking, M&A and fundraising - • Sector focus: essential services and software - • Long-standing relationships with private equity buyers and growth funds - • Personally advising DealFlowAgent founders for the past four years Read full bio - • 25+ years across investment banking, M&A and fundraising - • Sector focus: essential services and software - • Long-standing relationships with private equity buyers and growth funds - • Personally advising DealFlowAgent founders for the past four years ![Emerson Patton](/assets/emerson-patton-B1xTuqDt.jpg) ### Emerson Patton Sector Specialist: Building Services & Facilities Management - • 20+ years advising owners in building services, fire safety, HVAC, plumbing, and construction - • Guided 200+ companies through growth, profit improvement, and exit planning - • Builds equity value and operational structure long before a sale - • Partners with DFA to prepare owners for exit while the advisory team runs the sale Read full bio - • 20+ years advising owners in building services, fire safety, HVAC, plumbing, and construction - • Guided 200+ companies through growth, profit improvement, and exit planning - • Builds equity value and operational structure long before a sale - • Partners with DFA to prepare owners for exit while the advisory team runs the sale ![Kaya Kesici](/assets/kaya-kesici-BgkHgPoR.jpeg) ### Kaya Kesici M&A Advisor, Fire Safety, Security & Compliance - • 17 completed M&A transactions over the past six years across UK SME fire safety, security and compliance-led services - • Sell-side and buy-side experience, buyer research, acquirer mapping, outreach and live process coordination - • Information request lists, databook prep, IC-style summaries and EV-to-equity bridge work - • Direct sector exposure across fire protection, security systems, CCTV, access control and intruder alarms Read full bio - • 17 completed M&A transactions over the past six years across UK SME fire safety, security and compliance-led services - • Sell-side and buy-side experience, buyer research, acquirer mapping, outreach and live process coordination - • Information request lists, databook prep, IC-style summaries and EV-to-equity bridge work - • Direct sector exposure across fire protection, security systems, CCTV, access control and intruder alarms Previously [![Ranger Fire & Security](/assets/ranger-fire-security-l11Opbce.jpg)](https://rangerfs.com/ "Ranger Fire & Security")[![Complii](/assets/complii-DafeX_ZO.png)](https://www.complii.com/ "Complii") Ranger Fire & Security · Complete Building Services · Compliance Group ![Joe Lewin](/assets/joe-lewin-BSqoYwSF.webp) ### Joe Lewin Founder, DealFlowAgent [](https://www.linkedin.com/in/jp-lewin/) - • 22 completed M&A transactions - • Direct relationships with hundreds of strategic and financial acquirers - • Previously built a mobility and field services business to 30 staff and 6 UK warehouses, then sold via competitive process with an EY M&A partner - • Raised £2m in funding; placed 3rd of 1,900 at OnStage (the "Y Combinator of Europe") - • Full-stack developer of advanced agent systems and second-brain tooling for the M&A process Read full bio - • 22 completed M&A transactions - • Direct relationships with hundreds of strategic and financial acquirers - • Previously built a mobility and field services business to 30 staff and 6 UK warehouses, then sold via competitive process with an EY M&A partner - • Raised £2m in funding; placed 3rd of 1,900 at OnStage (the "Y Combinator of Europe") - • Full-stack developer of advanced agent systems and second-brain tooling for the M&A process [Call: 020 7293 0327](tel:+442072930327) Recruited Per Deal ### Sector Expert Industry-Specific Advisor For every engagement we add a sector specialist from your industry to the core team: a 15–25 year operator or advisor with direct relationships in your niche. Recruited per deal so you get the right fit, not a generalist. Read full bio For every engagement we add a sector specialist from your industry to the core team: a 15–25 year operator or advisor with direct relationships in your niche. Recruited per deal so you get the right fit, not a generalist. The bench is growing. Two senior M&A hires confirmed for late July 2026, selected from 200+ applicants out of Goldman Sachs, Deutsche Bank, EY, KPMG and leading boutique M&A firms. [See open roles →](/careers) Proprietary Technology ### The AI layer behind every advisor Two in-house AI systems work alongside the human bench. They are software, not people, built and supervised by the advisory team. ![Sage, AI agent](/assets/sage-avatar-ZCGsJYPl.webp) AI Agent #### Sage AI Deal Concierge Available 24/7. Monitors every signal in your deal and keeps the advisory team one step ahead. Trained on thousands of M&A transactions. ![Sterling, AI agent](/assets/sterling-profile-D8TSq_mZ.webp) AI Agent #### Sterling Buy-Side Deal Origination Agent Engages 13,000+ acquirers to surface live mandates and intent, then feeds your advisors with warm, ranked buyer matches. ## References 1. FE International - How Much Is Your Business Really Worth? 2. Avisen Legal - Business Valuation Methods and Multiples 3. Equidam - EBITDA Multiples by Industry in 2026 4. Arthur Berry - Valuation 101: The Importance of SDE 5. Baton Market - How to Value a Company: Best Methods Explained ## Related reading - [All sector valuation guides: EBITDA multiples by niche](/valuation/guides) - [Fire safety valuation guide](/valuation/fire-safety-multiples) - [HVAC valuation guide](/valuation/hvac-multiples) - [Maintenance contracts valuation guide](/valuation/maintenance-contracts-multiples) - [Building services M&A](/home-services) - [Facilities management M&A](/facilitiesmanagement) - [Healthcare M&A](/healthcare) - [Exit planning guide for owners](/exit-planning) - [Free valuation estimate](/valuation) - [See who is buying: free buyer list](/buyer-match) - [Book a confidential call](/contact) ## Sources - [Business Asset Disposal Relief, GOV.UK](https://www.gov.uk/business-asset-disposal-relief) - [Capital Gains Tax, GOV.UK](https://www.gov.uk/capital-gains-tax) - [Bank of England Bank Rate](https://www.bankofengland.co.uk/monetary-policy/the-interest-rate-bank-rate) - [ONS Business Demography, UK](https://www.ons.gov.uk/businessindustryandtrade/business/activitysizeandlocation/bulletins/businessdemography/2024) Free tool ## The Exit Readiness Scorecard Score your business across the factors acquirers underwrite, including key-person dependency, contract quality, customer concentration and earnings quality. Complete it below, print it, or download the PDF and work through it with your leadership team. [Open the scorecard](/tools/exit-readiness-scorecard.html)[Download the PDF](/downloads/dfa-exit-readiness-scorecard-2026-27.pdf)[Get your free valuation](/valuation) Two minutes ## Watch the intro from our founder, Joe Two minutes on how DealFlowAgent runs a confidential, competitive sale process for owners of building services, facilities management and healthcare businesses. Loading video... Your next step ### What would you like to do next? Pick the path that matches where you are right now. All three are free. [ #### Get my valuation 60-second calculator using current 2026 multiples for your sector. Calculate ](/valuation?utm_source=blog_post&utm_medium=conversion_card&utm_campaign=valuation&utm_content=complete-business-valuation-guide-2025-owners-undervalue-companies)[ #### See who would buy it Free buyer list. Matched from 13,000+ active acquirers in the UK and US. Get buyer list ](/buyer-match?utm_source=blog_post&utm_medium=conversion_card&utm_campaign=buyer_match&utm_content=complete-business-valuation-guide-2025-owners-undervalue-companies) [Book a 20-minute call with Joe](/contact?utm_source=blog_post&utm_medium=conversion_card&utm_campaign=book_call&utm_content=complete-business-valuation-guide-2025-owners-undervalue-companies) No obligation. UK and US. Typical response within one working day. JL ### Joe Lewin Exited entrepreneur and M&A advisor who has guided 20+ business owners through successful exits. Joe built and sold his first company after scaling to 80,000+ users and raised over £2M in funding. He founded DealflowAgent to combine traditional M&A expertise with AI technology, creating aligned advisory solutions for SME business owners. Joe regularly speaks on exit planning and M&A trends, and has built a network of thousands of strategic acquirers across UK and US markets. [LinkedIn](https://www.linkedin.com/in/jp-lewin/) Valuation guides ## What is your business actually worth? Sector by sector benchmarks built from real completed transactions, with the valuation bands acquirers underwrite against. - [Fire Safety Business Valuation & EBITDA Multiples What fire alarm, extinguisher, sprinkler and passive fire protection businesses sell for, band by band. ](/valuation/fire-safety-multiples) - [Security Systems Business Valuation & EBITDA Multiples CCTV, access control, intruder alarms and monitoring: the multiples acquirers are paying in 2026. ](/valuation/security-systems-multiples) - [Compliance, Testing & Inspection Valuation Guide Why recurring statutory inspection revenue attracts the highest multiples in building services. ](/valuation/compliance-testing-inspection-multiples) - [Electrical Contracting Valuation & EBITDA Multiples NICEIC, EICR and EV infrastructure: how electrical contractors are valued and sold. ](/valuation/electrical-multiples) - [HVAC, Refrigeration & Cooling Valuation Guide Service contract density, engineer retention and the multiples HVAC consolidators pay. ](/valuation/hvac-multiples) [All valuation guides](/valuation/guides) [Free valuation tool](/valuation) [All articles](/blog) ## Keep reading [ ![How to Get Your Data Ready for a Valuation and Sell-Side M&A Process](/assets/blog-wc-valuation-DK1UEPPo.jpg) ### How to Get Your Data Ready for a Valuation and Sell-Side M&A Process The exact files, tabs and columns a buyer needs, how to export them from Xero, QuickBooks and Sage, how to use Claude to assemble the workbook, and how to anonymise clients before anything leaves your business. Aug 21, 2026 14 min read Read the full article ](/blog/prepare-your-data-for-valuation-and-due-diligence) [ ![The 15-Minute Valuation vs the 15,000 Valuation: What You Actually Get](/assets/free-valuation-vs-chartered-accountant-valuation-Cwe8Sj03.jpg) Valuation Guides ### The 15-Minute Valuation vs the 15,000 Valuation: What You Actually Get A chartered accountant charges 10,000 to 20,000 for a formal valuation opinion. Our calculator gives you 80 per cent of the same analysis in 15 minutes, for free. Aug 18, 2026 11 min read Read the full article ](/blog/free-valuation-vs-chartered-accountant-valuation) [ ![The 30 Things That Determine What a Buyer Will Pay for Your Business](/assets/what-buyers-value-30-factors-business-valuation-CtyyHRjr.jpg) Valuation Guides ### The 30 Things That Determine What a Buyer Will Pay for Your Business Two businesses with identical profit can trade at multiples that differ by 100 per cent. The difference is not luck. It is these 30 factors that experienced acquirers test. Aug 18, 2026 13 min read Read the full article ](/blog/what-buyers-value-30-factors-business-valuation) [ ![Your Business Valuation Is Wrong. Here Is Why.](/assets/funding-round-vs-acquisition-valuation-difference-CWJBBFdm.jpg) Valuation Guides ### Your Business Valuation Is Wrong. Here Is Why. Most online valuation tools were built for startups raising capital. If you are a profitable business considering a sale, the number they give you is based on a completely different transaction. Aug 18, 2026 10 min read Read the full article ](/blog/funding-round-vs-acquisition-valuation-difference) [ ![We Tested Every Free Business Valuation Calculator. Most of Them Are Dangerous.](/assets/free-business-valuation-calculator-comparison-2026-C7Cemtef.jpg) Valuation Guides ### We Tested Every Free Business Valuation Calculator. Most of Them Are Dangerous. We entered the same business into every free valuation calculator online. The results ranged from 960,000 to 4.8 million. Here is what each tool gets wrong and what to use instead. Aug 18, 2026 12 min read Read the full article ](/blog/free-business-valuation-calculator-comparison-2026) [ ![Company of the Month: DealFlowAgent (as featured in Building & Facilities News)](/assets/company-of-the-month-building-facilities-news-2026-Br7-aO4K.jpg) Market Intelligence ### Company of the Month: DealFlowAgent (as featured in Building & Facilities News) Building & Facilities News names DealFlowAgent Company of the Month for July 2026. How the firm's sector specialism, buyer network and valuation approach actually drive value for owners. Aug 14, 2026 9 min read Read the full article ](/blog/company-of-the-month-building-facilities-news-2026) Confidential, no cost ## Considering selling your business? Send a short message and we will come back to you within 24 hours. First name Last name Email Phone Your question Send message Your details stay private. We never share them with acquirers without your written permission. ## Latest announcements [![Building & Facilities News names DealFlowAgent Company of the Month announcement cover](/assets/company-of-the-month-building-facilities-news-2026-Br7-aO4K.jpg)Company of the Month Building & Facilities News names DealFlowAgent Company of the Month The July 2026 feature on sector specialism, buyer relationships and what actually drives value for owners. ](/blog/company-of-the-month-building-facilities-news-2026)[![Martin Watson joins DealFlowAgent announcement cover](/__l5e/assets-v1/cb678acf-553d-43d7-85f3-82f6c174523b/martin-watson-joins-dealflowagent-cover.png)Senior Industry Advisor Martin Watson joins DealFlowAgent Chair of both the Fire Industry Association and the British Security Industry Association, after three decades in fire and security including Mitie. ](/blog/martin-watson-joins-dealflowagent-fire-security-advisory)[![Nick Barker joins as Industry Partner announcement cover](/__l5e/assets-v1/65c42b7f-b12d-46f7-b4e0-63df6f3383e6/fm-talent-partners-dealflowagent-cover.png)Industry Partner Nick Barker joins as Industry Partner Founder of FM Talent Partners, helping owners close key-person dependency gaps before a sale and connecting buyers with senior operators. ](/blog/valuation-gaps-key-person-dependency-fm-talent-partners) [![DealFlowAgent](/assets/dealflowagent-logo-white-BtiUZq_y.webp)](/) Specialist M&A advisory for Building Services, Facilities Management, and Healthcare business owners. Dedicated advisors, systematic buyer research, confidential process. London HQ · Battersea Power Station, SW11 8BZ New York · Manhattan, NY ### Building Services - [Fire Safety & Security](/fire-safety) - [HVAC & Heating](/hvac) - [Heat Pumps](/home-services/heat-pumps) - [Electricians](/home-services/electricians) - [CCTV](/home-services/cctv) - [Access Control](/home-services/access-control) - [Security Guarding](/home-services/security-guarding) - [Water Hygiene](/home-services/water-hygiene) - [Browse all 30+ sectors →](/home-services) ### Healthcare - [Dental Practices](/healthcare/dental) - [Care Homes](/healthcare/care-home) - [Veterinary](/healthcare/veterinary) - [Personal Care](/healthcare/personal-care) - [Podiatry](/healthcare/podiatry) - [Urgent Care](/healthcare/urgent-care) - [Dermatology](/healthcare/dermatology) - [Browse all healthcare →](/healthcare) ### Technology & Professional Services - [B2B SaaS & Technology](/technology) - [IT Managed Services](/technology/it-managed-services) - [Accounting Firms](/technology/accounting-firms) - [Law Firms](/technology/law-firms) - [Insurance Brokerage](/technology/insurance-brokerage) - [Digital Marketing Agencies](/technology/digital-marketing-agency) - [E-Commerce](/ecommerce) ### Sell Your Business - [AI M&A Marketplace](/marketplace) - [Buyer Intelligence](/buyer-match) - [Valuation Guides](/valuation/guides) - [Already Approached?](/already-approached) - [Live Mandates](/mandates) ### For Buyers - [Sterling: AI Deal Sourcing](/sterling) - [Buyer Match](/buyer-match) - [Buyer Registration](/buyside) - [Live Mandates](/mandates) - [All Listings](/for-sale) - [Featured Opportunities](/opportunities) ### Resources - [Blog & Insights](/blog) - [Valuation Guides](/valuation/guides) - [Exit Planning](/exit-planning) - [Exit Readiness](/exit-readiness) - [AI Automation Guide](/ai-automation-for-service-businesses) - [Comparisons](/comparisons) - [Case Studies](/case-studies) - [Media / Press](/media) - [FAQ](/faq) - [Sitemap](/sitemap) ### Company - [About Us](/about) - [Contact](/contact) - [Careers](/careers) - [Pricing](/pricing) Building Services Healthcare Technology & Professional Services Sell Your Business For Buyers Resources Company Referral Programme ### Earn introducer fees on every successful deal Tailored programmes for sellers, buyers, advisors, and niche operators across building services, facilities management, and healthcare. [Programme overview](/referral) [→ Refer a Seller (Operators)](/referral/operators)[→ Refer a Buyer](/referral/buyers)[→ Advisor Referrals](/referral/advisors)[→ Embed the Valuation Widget](/partners/valuation-widget)[→ Building Services Referrals](/referral/operators)[→ Healthcare Referrals](/referral/operators)[→ Programme Overview](/referral) ### Locations [London](/locations/london)· [Manchester](/locations/manchester)· [Birmingham](/locations/birmingham)· [South East](/locations/south-east)· [Florida](/locations/florida)· [Miami](/locations/miami) ### Partnerships [Advisor Partnership](/advisorpartner)· [Strategic Partnerships](/partnerships)· [Buyers (Building Services)](/buyers-home-building-services)· [Radio Partner](/radio) © 2026 DealFlowAgent. All rights reserved. [Privacy Policy](/privacy)· [Terms of Service](/terms)· [Comparisons](/comparisons)· [Sitemap](/sitemap) [](https://www.linkedin.com/company/dealflowagent)[](https://twitter.com/dealflowagent)[](mailto:joe@dealflowagent.com) DealFlowAgent provides M&A advisory services. Investment outcomes are not guaranteed. Past performance is not indicative of future results. All transactions are subject to due diligence and regulatory approval where applicable. Menu Sectors Refer an Owner [Valuation Guides](/valuation/guides)[Exit Planning](/exit-planning)[Blog](/blog) Book a Call [Careers](/careers)[Message us on WhatsApp](https://wa.me/442072930327) [UK +44 20 7293 0327](tel:+442072930327)[US +1 (447) 837-9720](tel:+14478379720) [I'm an Owner](/valuation)[I'm a Buyer](/buyside)