How to value a business: 6 methods and examples (UK)

Published Thursday 12 February 2026

Table of contents

• What is a business valuation?
• 6 methods to value your business
• Which valuation method should you use?
• Factors that affect business value
• When to hire a professional valuator
• Make informed business decisions with Xero
• FAQs on business valuation

Key takeaways

• Apply multiple valuation methods to get the most accurate picture of your business worth, using earnings-based valuation for profitable service businesses, times-revenue for high-growth startups, and book valuation for asset-heavy companies like manufacturing or real estate.
• Focus on building factors that increase your business value, including developing a diverse customer base to reduce risk, creating recurring revenue streams, and establishing competitive advantages like patents or exclusive contracts that make your business harder to replicate.
• Hire a chartered business valuator for high-stakes situations like selling your business, bringing on investors, or legal proceedings, as professional assessments provide credible, defensible valuations that hold up in negotiations and court.
• Maintain accurate financial records including balance sheets, profit and loss statements, and cash flow data, as complete documentation is essential for any valuation method and helps you track the factors that drive your business worth.

What is a business valuation?

Business valuation is the process of calculating your company's monetary worth. Knowing this figure helps you set realistic prices when selling, attract investors, secure loans, and plan for succession, especially in a market with significant merger and acquisition activity, with more than 62,000 mergers and acquisitions (M&A) deals worth $5.8 trillion completed in 2021 alone.

Common reasons you might need a business valuation:

• Sell your business: Set a realistic asking price based on evidence
• Seek investment: Show potential investors what your company is worth, especially as interest from institutional capital remains high, with private equity buyouts more than doubling in 2021
• 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.

6 methods to value your business

Here are six proven methods to value your business. These fall into three main approaches: 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 calculates your business worth using a simple formula: value = assets − liabilities. This method treats your business as the sum of everything it owns minus everything it owes.

Assets include the following:

• Physical property: includes land, buildings, vehicles, equipment, inventory
• Financial assets: includes cash and accounts receivable (money customers owe you)
• Intellectual property: includes copyrights, trademarks, and patents

Liabilities include the following:

• Debt obligations: include business loans and credit lines
• Outstanding payments: include taxes owed and accounts payable (unpaid bills)

Example calculation: If your business has £10 million in assets and £5 million in debts, your book value is £5 million.

Liquidation value

Liquidation value estimates what you'd receive if you closed the business 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 determines your business worth by multiplying annual earnings by a multiplier, and 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 × multiplier.

Typical multiplier ranges vary by business type:

• Applies to basic service businesses with high competition: 2–3x
• Applies to established businesses with steady customer bases: 4–6x
• Applies to businesses with strong competitive advantages: 7x or higher

Several factors can increase your multiplier:

• Build long-term relationships with repeat buyers for customer loyalty
• Establish local exclusivity or dominant market share for strong market position
• Hold patents, trademarks, or proprietary processes as intellectual property
• Create hard-to-replicate operations or systems in your business model

You can use different types of earnings:

• Net profit: represents bottom-line earnings after all expenses
• Earnings before interest, taxes, depreciation, and amortisation (EBITDA): represents earnings typically higher than net profit

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 calculates worth using the formula: value = revenue × multiplier.

This method works well for businesses that aren't yet profitable but have strong sales. Startups and high-growth companies often use it because revenue demonstrates market demand even when profits haven't materialised.

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 uses free cash flow instead of profit or revenue. Free cash flow is the money left after paying all operating expenses and reinvesting in your business through equipment upgrades or maintenance.

The formula is: value = free cash flow × multiplier

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 flows

When to use this method: 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.

Entry-cost valuation

Entry-cost valuation asks 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?

The right valuation method depends on your business type, available data, and why you need the valuation. Using multiple methods often gives the most realistic picture.

Consider these guidelines when matching a method to your business:

• For asset-heavy businesses (manufacturing, real estate): Use book or liquidation valuation because your value is tied to physical assets
• For service businesses with steady profits: Use earnings-based valuation to reflect your ability to generate consistent income
• For high-growth startups or tech companies: Use times-revenue or discounted cash flow to capture future potential, even without current profits

Start by deciding why you need the valuation. Selling to a buyer requires different emphasis than securing a bank loan or planning succession.

Factors that affect business value

Beyond the numbers, several factors influence what buyers or investors will pay for your business.

Several factors can increase your business value:

• Maintain a diverse customer base to reduce risk through customer concentration. Heavy reliance on one or two clients can lower your value.
• Create predictable income from subscriptions or contracts through recurring revenue, which is highly attractive
• Build a business that can run without you to reduce owner dependence and increase value
• Demonstrate consistent growth to signal future potential through your growth trajectory
• Develop patents, exclusive contracts, or a strong brand that make your business harder to replicate as competitive advantages

Several factors can decrease your business value:

• Watch for economic downturns or industry disruption that can reduce buyer appetite through market conditions
• Address hidden debts or pending lawsuits that create risk for a new owner through outstanding liabilities
• Consider equipment or property that needs major investment soon through ageing assets, as this can be a red flag
• Recognise high staff turnover can suggest operational problems or a poor work culture

Understanding these factors helps you set realistic expectations and identify areas to strengthen before a sale or investment round.

When to hire a professional valuator

A chartered business valuator (CBV) provides an objective, defensible assessment that holds up in negotiations and legal proceedings. While do-it-yourself (DIY) methods work for rough estimates, certain situations call for professional expertise.

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:

• Gain trust from banks, investors, and courts through independent assessments for credibility
• Access industry data and apply multiple methods through professional expertise for accuracy
• Defend a formal valuation if challenged for defence

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 our guide to succession planning.

FAQs on business valuation

Here are answers to some common 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), as seen with major UK supermarkets which have had price-to-earnings (P/E) ratios around 10, 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. Profit matters more than sales alone.

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.

How accurate is a do-it-yourself business valuation?

DIY valuations provide useful estimates for planning purposes but lack the precision of professional assessments, which often apply nuanced adjustments; for example, when valuing a private company, its value may be reduced by 1/3 – 1/2 compared to a listed equivalent, a practice often accepted by UK tax authorities. They work well for setting expectations and preparing for conversations with buyers or investors.

For high-stakes situations like legal proceedings, major sales, or investor negotiations, hire a chartered business valuator. Their independent assessment carries more weight and can be defended if challenged.

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: includes 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.