13 min read
Ask most founders what their business is worth and the answer is usually a number they’ve arrived at from a conversation with another business owner, a rough revenue multiple, or a figure that simply ‘feels right’. It’s rarely wrong on purpose. It’s just that business valuation isn’t something most founders have had reason to learn properly, until the moment they need to.
This isn’t a guide to preparing for the legal or financial scrutiny of a sale process, and it isn’t about succession or exit structuring. Those are covered in our due diligence guide and our piece on business exit planning. This piece covers something that comes before both – what actually drives a business valuation in the first place and why two service businesses with near-identical turnover can end up worth very different amounts.
Why business valuation matters beyond a sale
It’s easy to assume business valuation only matters when a business is actively for sale. In practice, understanding what your business is worth is useful long before that point, and for reasons that go well beyond a future transaction.
Founders raising external funding need a credible business valuation to negotiate from, not a guess, because whatever figure gets agreed at that stage becomes the baseline every future funding round is measured against. Businesses structuring an Employee Ownership Trust need a fair, defensible valuation as the starting point for the whole transaction, since the trust is effectively buying the business from its founders and both sides need confidence the number is right. Shareholders going through a buy-back, or bringing in a new partner, need a company valuation to agree terms fairly between people who each have a personal stake in the outcome. And even without any of those events on the horizon, knowing roughly what your business is worth, and understanding why, gives you a genuinely useful benchmark for tracking whether the decisions you’re making are building value or simply generating revenue. Those aren’t always the same thing, and the distinction matters more than most founders realise until they see it laid out.
Is a company valuation the same thing as a business valuation
The terms are used fairly interchangeably in practice, and both refer to the same underlying exercise: establishing what a business is actually worth. Where the language sometimes diverges is context. “Company valuation” tends to appear more in funding, share-structuring and shareholder contexts, while “business valuation” is the broader term covering sales, succession and general benchmarking. For a founder trying to work out what their own service business is worth, the distinction rarely matters. The methods and the value drivers described below are the same regardless of which phrase gets used.
How service businesses are typically valued
There are three broad approaches used to carry out a business valuation, and it’s worth understanding all three even though one tends to dominate for service businesses.
Revenue multiples
This method applies a multiple directly to top-line turnover. It’s simple and quick, which makes revenue multiples common in informal conversations between founders comparing notes, but they ignore profitability entirely. A business turning over three million pounds with a five per cent margin is not worth the same as one turning over three million pounds with a twenty-five per cent margin, even though a revenue multiple alone wouldn’t tell you that. Revenue multiples tend to show up most often in fast-growing, high-margin sectors like software, where growth itself is treated as a proxy for future profitability. For most established service businesses, they’re a starting point for a conversation rather than a serious valuation method.
EBITDA multiples
This is the standard approach for agencies, consultancies and other professional services businesses, and for good reason. Applying a multiple to earnings before interest, tax, depreciation and amortisation gets much closer to the underlying economic engine of the business, stripping out financing structure and accounting treatment to focus on what the business actually generates in profit terms. This is the method most buyers, and most business valuation calculators, default to, because it allows businesses of different sizes, capital structures and tax positions to be compared on a broadly consistent basis. The multiple itself is where the real judgement lives, and it’s shaped by everything discussed in the next section.
Discounted cash flow (DCF)
DCF analysis forecasts future cash flows and discounts them back to a present value using the business’s cost of capital. It’s the most theoretically rigorous of the three approaches, because it’s built directly from the business’s own projected performance rather than relying on comparisons to other companies. But it depends heavily on the quality of the forecast behind it, and forecasting five years of cash flow with genuine confidence is difficult for any business, let alone a scaling service business still finding its rhythm. This makes DCF more common in larger, more mature businesses with established financial modelling and a longer trading history to base assumptions on. For a fuller comparison of how these three methods are applied in practice, Corporate Finance Institute’s overview of valuation methods sets out how DCF, comparable company analysis and precedent transactions are typically used alongside each other in a live transaction.
The usual starting point for business valuation
For most scaling UK service businesses, an EBITDA multiple is the practical starting point for a business valuation, with the actual multiple applied varying significantly depending on the specific quality factors of the business, not the sector alone. Agencies and consultancies aren’t a single homogenous category either. A business built on long-term retained client relationships, common in PR, brand and ongoing marketing management, tends to command a different multiple profile to one built primarily on discrete, one-off project work, such as a rebrand or a website build, even within the same broad sector. The former looks more like a business with a subscription-style revenue base; the latter looks more like a series of individually won contracts that has to be continually replenished. Buyers price both, but rarely at the same multiple, and it’s worth being honest with yourself about which category your business genuinely falls into before assuming a sector-average multiple applies.
What actually drives the multiple up or down
Two agencies with identical revenue, and even identical EBITDA, can attract very different multiples, and the reasons come down to a handful of specific, well-understood factors that buyers assess methodically as part of any business valuation.
Revenue quality
This matters more than revenue size. Recurring or retained revenue is worth considerably more to a buyer than project-based work, because it’s predictable and reduces the risk that next year’s numbers look nothing like this year’s. A business with seventy per cent of revenue on rolling retainers is a fundamentally lower-risk proposition than one that rebuilds its pipeline from scratch every quarter, even at identical turnover and identical margin. Buyers underwrite the future, not the past, and recurring revenue is the clearest signal that the future looks like the present.
Client concentration
This is one of the first things any buyer will ask about. A business where one client represents forty per cent of revenue carries real risk: lose that client and the business changes shape overnight, regardless of how strong the relationship currently is. Buyers price that risk in directly, often through a lower multiple or deal structures weighted towards earn-outs that only pay out if the concentrated relationship survives the transition.
Margin quality
This is about how the profit is generated, not just whether it exists. Margin built on efficient delivery, sensible pricing and disciplined cost control is viewed very differently to margin propped up by underpaying staff, underinvesting in systems, or delaying necessary spend, because the latter isn’t sustainable once new ownership takes over and starts addressing the gaps.
Founder dependency
Founders consistently underestimate founder dependency. If the business only functions because the founder is personally closing every deal, managing every key relationship and holding most of the institutional knowledge, that’s a risk a buyer has to price in, because a sale usually means the founder eventually steps back. A business with a capable second tier of management that can run the day-to-day without the founder in the room is worth more, not because the founder’s contribution matters less, but because the business itself is less fragile and less likely to lose value the moment ownership changes.
Growth trajectory
A business that’s growing consistently, even modestly, tends to attract a stronger multiple than a flat or declining one, because the buyer is pricing in a trend, not just a single year’s snapshot. Consistent, explainable growth is generally viewed more favourably than a single exceptional year that looks difficult to repeat.
How it works in practice
A worked example helps make the mechanics concrete.
Take an agency with adjusted EBITDA of £400,000. If that business has strong recurring revenue, low client concentration and a management team that doesn’t depend entirely on the founder, it sits towards the stronger end of its sector’s typical range for a business valuation.
If an equivalent business generates the same £400K in EBITDA but relies on a handful of project-based clients and a founder who’s still closing every deal personally, the same starting EBITDA produces a meaningfully lower valuation, because the buyer is pricing in significantly more risk around whether that profit continues after completion.
The EBITDA figure is the same in both cases. The valuation is not, and the gap between them is entirely explained by the factors above.
The impact of underlying drivers
It’s also worth understanding how sensitive the final number is to relatively small shifts in the underlying drivers. Moving client concentration from one dominant account to a more evenly spread client base, or converting even a modest proportion of project revenue into retained, recurring work, can move a business from the lower end of its sector’s typical range towards the upper end, without any change to overall turnover. That sensitivity is precisely why the value drivers matter more than the multiple itself: the multiple is simply the market’s way of pricing in how much of that sensitivity, and therefore risk, still sits unresolved in the business.
Does the valuation method change for a funding round or an EOT
The three approaches above apply broadly across most scenarios, but the emphasis shifts depending on why the business valuation is being carried out. An open market sale to a trade buyer or private equity investor tends to weigh EBITDA multiples and comparable transactions heavily, because the buyer is pricing the business against what similar businesses have recently sold for. A funding round often puts more weight on growth trajectory and future potential, since investors are pricing what the business could become with capital behind it, not just what it currently generates.
An Employee Ownership Trust valuation needs to be independently defensible and fair to the employees who will effectively be funding the purchase through future profits, which typically means a more conservative, EBITDA-anchored approach with less allowance for speculative upside. None of this changes the underlying value drivers described above. It changes how much weight each one carries in the final number.
How often should you get a business valuation
A formal, professionally prepared business valuation isn’t something most founders need every year. But an informal, directional sense of where your business sits, and why, is worth revisiting annually, ideally as part of your regular management accounts review rather than as a standalone exercise. Treating it as a live number rather than a one-off event makes it far easier to spot when a decision, a new hire, a change in client mix, a shift in pricing, is actually moving the number, rather than only finding out retrospectively once a buyer or investor asks the question directly.
When might you need a more formal valuation
Specific events tend to trigger the need for a more formal figure sooner than the annual check-in: a board or investor asking directly, a shareholder dispute that needs an independent number both sides can trust, a key-person insurance renewal, or an unsolicited approach from a potential buyer testing the water. In each case, having an existing, reasonably current sense of where the business valuation sits means you’re negotiating from a position of understanding, rather than scrambling to work it out under time pressure while someone else is asking the questions.
Common founder misconceptions
The most persistent misconception is that strong revenue automatically means strong valuation. It doesn’t. A business can grow turnover every year while its business valuation barely moves, if that growth comes with thinner margins, heavier client concentration or a widening dependency on the founder to hold it all together. Founders sometimes describe this as feeling like they’re working harder for a business that isn’t actually becoming more valuable, and the mechanics above explain exactly why that happens.
The second misconception is treating a business valuation as a fixed number rather than a range. Every method described above produces a range, not a single figure, and the eventual sale price is a negotiation that sits somewhere within, or occasionally outside, that range depending on how badly a specific buyer wants that specific business and what synergies or strategic value they see in it that another buyer might not.
The third is assuming valuation only responds to big strategic decisions, like winning a major new client or entering a new market. In practice, unglamorous operational discipline, accurate management accounts, clean financial records, consistent margin reporting, has a direct and measurable effect on how a buyer perceives risk, and therefore on the multiple they’re willing to pay, often more so than any single commercial win.
How a finance function builds value ahead of a sale
Everything above points to the same conclusion: a business valuation isn’t something that gets addressed in the months before a sale. It’s built, or eroded, by the financial discipline a business practises for years beforehand, which means the window for improving your position is measured in years, not weeks.
Founders who start this work early, typically eighteen months to two years before any planned sale or funding event, are in a genuinely different position to those who start when a buyer is already at the table. That runway gives enough time for recurring revenue to grow as a proportion of the whole, for a second tier of management to be built and tested, and for a clean run of management accounts to demonstrate that the numbers hold up under scrutiny, rather than being tidied up retrospectively in a way that invites more questions than it answers.
This is where an embedded finance function earns its keep long before any sale conversation starts. Clean, accurate management accounts give a buyer confidence in the numbers from the first conversation, rather than raising questions that slow the process down. Consistent margin reporting demonstrates that profitability is real and repeatable, not a one-off. And a second tier of financial oversight, one that doesn’t depend entirely on the founder holding all the numbers in their head, directly reduces the founder-dependency risk that buyers price into a multiple. Our fractional CFO services are built around exactly this kind of ongoing financial discipline, not a scramble to tidy the books once a buyer is interested.
ACC CFO Perspective
We consistently see founders underestimate how early a business valuation is actually decided. The multiple a business eventually achieves is shaped by choices made two or three years before any sale conversation: how revenue is structured, how clean the numbers are, how dependent the business is on one person. Our view is that treating valuation as a live number to track, not a one-off exercise before an exit, changes the decisions founders make day to day, often for the better regardless of whether a sale ever happens.
Building value, not just revenue
Understanding what actually drives a business valuation changes how you look at your own numbers. Revenue growth on its own isn’t the goal. Recurring revenue, healthy margins, and a business that doesn’t depend entirely on you are, and each of those is something you can start building today rather than waiting for a reason to. It’s never too early to explore your company’s worth, so please feel free to get in touch on 0207 307 5922 or use our contact form.
Frequently Asked Questions
What is the most common way to value a service business?
Most UK service businesses, including agencies and consultancies, are valued using an EBITDA multiple. This applies a multiple to earnings before interest, tax, depreciation and amortisation, giving a clearer picture of underlying profitability than a simple revenue multiple.
Is a business valuation calculator accurate?
A business valuation calculator gives an illustrative range based on typical sector multiples, useful for understanding the mechanics and getting a rough sense of scale. It isn’t a substitute for a formal valuation, which accounts for the specific characteristics of your business and the buyer’s own strategic priorities.
What’s the difference between a business valuation and a company valuation?
The two terms describe the same underlying exercise. “Company valuation” tends to appear more in funding and shareholder contexts, while “business valuation” is the broader term used for sales, succession and general benchmarking, but the methods and value drivers behind both are identical.
How can I increase my company’s valuation before selling?
The factors that drive valuation, recurring revenue, margin quality, low client concentration, and reduced founder dependency, are all things that can be built deliberately over time. Starting this work years before a sale, rather than months before, gives it time to actually show up in the numbers a buyer sees.
This article is intended for general information and does not constitute legal, tax, or financial advice. Every business is different, and founders should take appropriate professional advice based on their specific circumstances.
