How to value a business: 7 methods and examples (UK)
Learn how to value a business using seven proven methods, with examples and expert guidance.

Written by Lena Hanna—Trusted CPA Guidance on Accounting and Tax. Read Lena's full bio
Published Friday 15 May 2026
Table of contents
Key takeaways
- Apply multiple valuation methods for the most accurate picture, using earnings-based for profitable service businesses, times-revenue for high-growth startups, comparable analysis for businesses in active M&A markets, and book valuation for asset-heavy companies.
- Focus on building factors that increase value: a diverse customer base, recurring revenue, competitive advantages, and clean financial records.
- Hire a chartered business valuator for high-stakes situations like selling, bringing on investors, or legal proceedings.
- Maintain accurate financial records, as complete documentation is essential for any valuation method.
What is a business valuation?
Knowing what your business is worth helps you make better decisions about selling, investing, and planning ahead. A business valuation gives you a clear starting point for those conversations.
Business valuation is the process of calculating your company's monetary worth. This figure helps you set realistic prices when selling, attract investors, secure loans, and plan for succession. In 2021 alone, more than 62,000 mergers and acquisitions (M&A) deals worth $5.8 trillion were completed globally, showing just how active the market for buying and selling businesses can be.
Common reasons you might need a business valuation include:
- Sell your business. Set a realistic asking price based on evidence when planning your exit strategy.
- Seek investment. Show potential investors what your company is worth, especially as interest from institutional capital remains high.
- Meet legal requirements. Satisfy accounting and financial reporting obligations.
- Plan for succession. Handle ownership transfers and buy-sell agreements for tax purposes.
- Secure financing. Provide lenders with collateral valuations for loan applications.
A business valuation provides an estimate, not a guaranteed selling price. The final price depends on negotiations, buyer demand, and market timing.
External factors also play a role. Competition, intangible assets, future growth prospects, and even geopolitical events can shift what buyers are willing to pay.
7 methods to value your business
Several proven approaches exist for calculating what your business is worth. These fall into three main categories: asset-based (what you own), income-based (what you earn), and cost-based (what it would take to replicate your business).
Book valuation
Book valuation is one of the most straightforward ways to value a company. It uses a simple formula: value = assets minus liabilities.
This method treats your business as the sum of everything it owns minus everything it owes. Your net worth under this approach comes directly from your balance sheet.
Assets include:
- Physical property: land, buildings, vehicles, equipment, and inventory
- Financial assets: cash and accounts receivable (money customers owe you)
- Intellectual property: copyrights, trademarks, and patents
Liabilities include:
- Debt obligations: business loans and credit lines
- Outstanding payments: taxes owed and accounts payable (unpaid bills)
For example, if your business has £10 million in assets and £5 million in debts, your book value is £5 million.
Liquidation value
Liquidation value is relevant when you need to understand the minimum your business could fetch in a quick sale. It estimates what you'd receive if you closed today, sold all assets, and paid off all debts.
Unlike book value, which uses purchase prices minus depreciation, liquidation value reflects current market prices. Assets often sell for less in a forced sale, so liquidation value is typically lower than book value.
Earnings-based valuation
Earnings-based valuation is one of the most widely used methods for profitable businesses. It determines your business worth by multiplying annual earnings by a multiplier.
These multipliers often follow industry-specific customs; for instance, some service businesses are valued based on a multiple of gross fees rather than profits. The formula is: value = earnings x multiplier.
Typical multiplier ranges vary by business type:
- 2-3x: basic service businesses with high competition
- 4-6x: established businesses with steady customer bases
- 7x or higher: businesses with strong competitive advantages
Several factors can increase your multiplier:
- Customer loyalty. Build long-term relationships with repeat buyers.
- Market position. Establish local exclusivity or dominant market share.
- Intellectual property. Hold patents, trademarks, or proprietary processes.
- Business model. Create hard-to-replicate operations or systems.
You can use different types of earnings:
- Net profit: bottom-line earnings after all expenses
- Earnings before interest, taxes, depreciation, and amortisation (EBITDA): typically higher than net profit
For example, if your business earns £350,000 annually and uses a 2x multiplier, the value is £700,000. With a 5x multiplier, the value is £1,750,000.
Times-revenue valuation
Times-revenue valuation works well when a business isn't yet profitable but has strong sales. Startups and high-growth companies often use it because revenue demonstrates market demand even when profits haven't materialised.
The formula is: value = revenue x multiplier. Revenue multipliers are typically lower than earnings multipliers because revenue doesn't account for costs. A business with £1 million in revenue and a 1.5x multiplier would be valued at £1.5 million.
Discounted cash flow valuation
Discounted cash flow (DCF) valuation focuses on the money your business actually generates after paying operating expenses and reinvesting. It's particularly useful for asset-heavy businesses where maintenance costs vary from year to year.
The formula is: value = free cash flow x multiplier. Free cash flow is the money left after paying all operating expenses and reinvesting in your business through equipment upgrades or maintenance.
This method is less common for small businesses for several reasons:
- Requires detailed financial analysis beyond basic profit and loss statements
- Often needs input from a professional valuator
- Demands comprehensive records of capital expenditures and cash flow
DCF works best for businesses with significant equipment, property, or technology investments where maintenance costs vary year to year. It captures the true cash-generating ability of asset-heavy operations.
Comparable analysis (market-based valuation)
Comparable analysis takes a different approach by looking at what similar businesses have actually sold for. Rather than relying solely on your own financials, you compare your business to recently sold businesses in the same industry.
This method uses industry benchmarks and publicly available transaction data. You identify businesses similar to yours in size, sector, and geography, then apply their sale multiples to your own figures.
Here's a worked example. Suppose three similar UK consulting firms recently sold at an average of 4.5x their annual earnings. If your consultancy earns £200,000 per year, the comparable analysis would value your business at approximately £900,000.
Comparable analysis is strongest in active M&A markets where plenty of recent transaction data exists. It's less reliable for niche businesses where few comparable sales have taken place.
Entry-cost valuation
Entry-cost valuation takes a practical approach by asking what it would cost to start an equivalent business from scratch. If you could replicate your business for £50,000, then it's probably worth around £50,000.
Factor in the time and investment needed to build customer relationships and goodwill. These intangibles often take years to develop and add value beyond startup costs alone.
Entry-cost valuation works well as a sense-check for other methods. If your times-revenue calculation suggests £300,000 but entry-cost shows £100,000, you'll need further analysis to understand the gap.
Which valuation method should you use?
Choosing the right valuation method depends on your business type, available data, and reason for the valuation. Using multiple methods, including comparable analysis, often gives the most realistic picture.
Consider these guidelines when matching a method to your business:
- Asset-heavy businesses (manufacturing, real estate): use book or liquidation valuation because your value is tied to physical assets
- Service businesses with steady profits: use earnings-based valuation to reflect your ability to generate consistent income
- High-growth startups or tech companies: use times-revenue or DCF to capture future potential, even without current profits
- Businesses in active M&A markets: use comparable analysis alongside other methods to benchmark against recent real-world transactions
Start by deciding why you need the valuation. Selling to a buyer requires different emphasis than securing a bank loan or planning succession.
How to improve your business valuation
Whether you're preparing for a sale or simply want to build long-term value, there are practical steps you can take to strengthen your valuation. The earlier you start, the more impact these actions will have.
- Build a solid business plan. A clear, well-documented plan that outlines your growth strategy, target market, and financial projections signals credibility to buyers and investors.
- Keep your finances clean. Accurate, up-to-date financial statements make the valuation process smoother and build confidence. Gaps or inconsistencies in your records can reduce what a buyer is willing to pay.
- Minimise risk. Diversify your customer base, reduce reliance on any single revenue stream, and address outstanding liabilities before going to market.
- Set realistic expectations. Research comparable sales in your industry and region so your asking price reflects what the market will support.
- Prepare for negotiation. Gather supporting evidence for your valuation, including historical performance data, growth trends, and details of competitive advantages.
- Seek professional advice. A chartered business valuator or accountant can identify value drivers you may have overlooked and help you present your business in the best light.
Factors that affect business value
Beyond the numbers, several qualitative factors influence what buyers or investors will pay for your business. Understanding these helps you set realistic expectations and identify areas to strengthen.
Several factors can increase your business value:
- Customer concentration. Maintain a diverse customer base to reduce risk. Heavy reliance on one or two clients can lower your value.
- Recurring revenue. Create predictable income from subscriptions or contracts, which is highly attractive to buyers.
- Owner dependence. Build a business that can run without you to increase value and reduce perceived risk.
- Growth trajectory. Demonstrate consistent growth to signal future potential.
- Competitive advantages. Develop patents, exclusive contracts, or a strong brand that make your business harder to replicate.
- Team quality. A skilled, stable team with low turnover reassures buyers that operations will continue smoothly after a sale.
- Intangible assets. Brand reputation, proprietary technology, customer loyalty programmes, and trade secrets all contribute to value beyond what's on the balance sheet.
Several factors can decrease your business value:
- Market conditions. Economic downturns or industry disruption can reduce buyer appetite.
- Outstanding liabilities. Hidden debts or pending lawsuits create risk for a new owner.
- Ageing assets. Equipment or property that needs major investment soon can be a concern for buyers.
- High staff turnover. Frequent departures can suggest operational problems or a poor work culture.
- Financial record quality. Incomplete or disorganised records make it harder to verify claims and can lead buyers to discount their offer.
When to hire a professional valuator
While DIY methods work for rough estimates, certain situations call for professional expertise. A chartered business valuator (CBV) provides an objective, defensible assessment that holds up in negotiations and legal proceedings.
Hire a professional valuator when you:
- sell your business and need a credible starting point for buyer negotiations
- bring on investors or partners and must determine share prices and ownership stakes
- face a legal process such as divorce, shareholder disputes, or estate planning
- apply for financing that requires a formal, third-party valuation
Professional valuation offers several benefits:
- Credibility. Gain trust from banks, investors, and courts through independent assessments.
- Accuracy. Access industry data and apply multiple methods through professional expertise.
- Defence. A formal valuation can be defended if challenged in negotiations or court.
The cost varies based on business complexity, but the investment often pays for itself through stronger negotiating positions and avoided disputes.
Make informed business decisions with Xero
Understanding your business's value starts with accurate financial data. Your balance sheet shows book value and is essential for most valuation methods. With Xero, you can generate balance sheets instantly instead of waiting for year-end reports from your accountant.
Real-time data and easy-to-read reports help you track performance, manage cash flow, and see the full picture of your financial health. Whether you're preparing for a sale, seeking investment, or planning succession, clear financials put you in control.
Get one month free and see how Xero makes business finances simple. For more guidance on ownership transitions, see the guide to succession planning.
FAQs on business valuation
Here are answers to frequently asked questions about business valuation.
How do you calculate business valuation?
Multiply your annual revenue or profit by an industry-standard multiplier. For example, a business with £500,000 in annual revenue and a 2x multiplier would be valued at £1 million. The right method and multiplier depend on your industry, profitability, and growth potential.
Is a business worth 3 times profit?
Not always. A 3x profit multiplier is a common benchmark, but the right number varies by industry and risk profile. Stable, established businesses often command higher multipliers (4-6x or more), while newer or riskier ventures may warrant lower ones. Customer loyalty, growth prospects, and market position all influence the figure.
How much is a business worth with £1 million in sales?
A business with £1 million in sales could be worth anywhere from £500,000 to several million pounds. The value depends on profitability, assets, and industry norms. A high-margin tech company with £1 million in sales will be worth far more than a low-margin retail business with identical revenue.
What's the difference between business valuation and market value?
Business valuation is a calculated estimate based on financial data and formulas. Market value is the actual price a business sells for. A valuation informs your asking price, but the final market value depends on what a buyer is willing to pay based on timing, competition, and negotiation.
What is goodwill in business valuation?
Goodwill represents the intangible value of your business beyond its physical assets, including brand reputation, customer relationships, and employee expertise. It's calculated as the difference between the purchase price and the fair market value of identifiable assets. Goodwill often accounts for a significant portion of a business's total value, particularly in service-based industries.
What information do I need to value my business?
Gather these key financial documents before starting a valuation:
- Balance sheet: shows assets, liabilities, and book value
- Profit and loss statement: shows revenue, expenses, and net profit
- Cash flow statement: shows money coming in and going out
- Asset register: lists equipment, property, and intellectual property
- Customer data: revenue concentration, retention rates, and contract terms
The more complete your records, the more accurate your valuation. Cloud accounting software like Xero keeps these documents organised and accessible.
Disclaimer
Xero does not provide accounting, tax, business or legal advice. This guide has been provided for information purposes only. You should consult your own professional advisors for advice directly relating to your business or before taking action in relation to any of the content provided.
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