Most owners who think about buying a business start from the same place. Organic growth has slowed, an opportunity has come up, or a competitor's owner is talking about retiring. The question is whether buying is the right answer, or just the most exciting one.
This guide is the starting point for the strategy section of Acquisitiv Edge. It covers when buying beats building, what it takes, where the risks sit and how to make a sensible first move.
Start with what the business needs, not with a target
Acquisition is a route, not a goal. Before you look at any business, write down the specific gap you are trying to close. In practice it is usually one of four things:
- A capability you don't have: a service line, technical accreditation, product range or skilled team.
- Market access: customers, sectors or regions you can't reach quickly from where you are.
- Capacity: premises, equipment, licences or people that would take years to build or hire.
- Scale: enough size to win larger contracts, buy better or spread fixed costs.
If you can't name the gap in a sentence, you are not ready to buy. "Grow turnover" is not a gap. "Add a fire servicing business in the North West so we can bid for multi-site contracts we currently lose" is.
This matters because a vague reason lets any available business look like a fit. In Bain's survey of 250 executives, only 29% had a reason for buying (an investment thesis, in adviser language) that stood the test of time, and more than 40% had none at all (Bain, 2005). Our guide to what an acquisition thesis is shows how to write yours.
Build, partner or buy?
Once the gap is clear, compare the three routes honestly against it. Buying is not automatically faster or less risky. It swaps one set of problems (recruitment, slow sales, capital spend) for another (price, hidden issues, integration).
| Route | Works best when | Watch out for |
|---|---|---|
| Build (hire, invest, open a new site) | The capability can be hired or developed, and you have time | Slow ramp-up, recruitment risk, management time spread thin |
| Partner (referral agreement, joint bid, licence) | You want to test demand before committing capital | Shared control, weaker customer ownership, partner may walk |
| Buy (acquire a business that fits alongside yours) | The gap is large, hard to build, and a suitable business exists | Overpaying, hidden problems, losing people and customers after completion |
A useful test: if a good business in your target space came to you tomorrow at a fair price, would buying it close the gap better than the best version of building or partnering? If the honest answer is "not really", keep building.
Does the business case stack up?
If buying still looks right, test the numbers and the assumptions behind them before you approach anyone. Five areas do most of the work.
Earnings. What is the real profit you would be buying, once the owner's salary, personal costs and one-off items are taken out? Many owner-managed accounts blur these lines. In UK and Irish mid-market deals in the second half of 2025, the average price was 5.4 times EBITDA (operating profit), with smaller businesses selling for less and larger ones for more (Dealsuite, 2026). A small error in profit becomes a large error in price. See what a business is worth.
Cash. How will you pay, and what does the combined business look like the month after completion? Paying part of the price later if the business delivers (an earn-out) can share risk, but it also ties up management attention. Our guide to acquisition finance covers the options.
Customers. How many customers would you actually keep? Look at concentration, contract terms, and how many relationships sit with the owner personally.
Integration. Who will bring the two businesses together without losing people or customers, and how much of your time will it take? In Bain's survey of M&A practitioners, 83% of those who had seen a deal fail pointed to integration problems as a primary cause (Bain, 2024). PwC found that 79% of acquisitions where significant value was lost had no integration strategy at signing (PwC, 2019).
Downside. What happens if profit falls 20% in year one, or two key staff leave? If the answer threatens the core business, the deal is too big or too early.
The evidence on buying private businesses is not all cautionary. In UK research covering more than 4,000 acquisitions by listed companies, buying private companies produced positive returns at announcement, while buying listed companies did not (Conn et al., 2005). The point is that the outcome depends on what you buy, what you pay and how you integrate it.
When is acquisition the wrong answer, or too early?
Be honest about readiness. In our experience, buying is unsuitable or premature when:
- The core business needs you every day. If nothing happens without you, a deal will pull you away at the worst moment. See how much management time an acquisition needs.
- Your own numbers are weak. If your management accounts are late or unreliable, you will struggle to judge someone else's.
- You are buying to fix a problem in your own business. Acquisitions tend to amplify existing weaknesses, not cure them.
- Funding depends on everything going right. If the deal only works on the most optimistic forecast, it does not work.
- You would be buying scale without improving quality. More revenue at lower margins, with harder customers, is not growth.
Walking away at this stage is a good outcome, not a failure. It costs far less than walking away after legal fees.
An illustrative example
This example is illustrative and fictional. A £20m commercial cleaning business in Yorkshire keeps losing hospital contracts because it lacks specialist clinical cleaning accreditation. Building the capability would mean recruiting a qualified team, achieving accreditation and then waiting to win references, likely two to three years. A partnership with an accredited firm was tried, but the partner kept the client relationships.
The owner writes down the gap ("accredited clinical cleaning capability with NHS references in Yorkshire and the North East"), sets limits on price and size, and checks that the bank will support a deal of that scale. Only then does the business start looking. Two of the five owners approached are open to a conversation. One is not a fit on closer inspection. The other is.
Where to start
The first practical step is to turn a general ambition into a short written statement: what you want to buy, why, how big, where, what you will pay and when you will walk away. That becomes the basis for finding the right businesses to buy, including ones that are not for sale. Supply is there: age and lack of a successor were the main reason for 41% of UK and Irish mid-market business sales in the second half of 2025 (Dealsuite, 2026).
From there, the next guides in this section cover building a repeatable buy-and-build strategy, buying a competitor and why acquisitions fail.
Talk it through before you commit
If you are weighing up whether acquisition is the right route for your business, an Expansion Briefing is a free 30-minute call with us about what you want to buy and whether it makes sense now. You get a short written summary and a recommended next step, and you stay in control of what happens next.
Questions buyers ask
Is growth through acquisition faster than organic growth?
Sometimes, but not by default. Buying gives you customers, people and capability on day one, but finding the right business, agreeing terms and checking what you are buying usually takes many months, and bringing the two businesses together takes longer. Compare the realistic timeline of each route against your actual objective.
How big does my business need to be to grow by acquisition?
There is no fixed size. What matters more is whether you have the cash or borrowing capacity to fund the deal, a finance function that can cope with the extra work, and someone other than you who can run the existing business while you focus on the deal and the integration.
What are the main risks of growing through acquisition?
Overpaying, buying hidden problems you did not find in your checks, losing key people or customers after completion, and the distraction of management from the core business. Research on why deals disappoint points most often to integration, followed by gaps in due diligence and over-optimistic assumptions about the benefits.
Should I wait for a business to come up for sale?
You can, but many good businesses are never advertised, and some owners will consider a direct, confidential approach from the right buyer. Deciding what you want to buy first lets you approach the right owners in confidence rather than reacting to whatever happens to be advertised.
- Mastering merger integration, Bain & Company / Business Strategy Review, 2005
- 10 Steps to Successful M&A Integration, Bain & Company, 5 June 2024
- Creating value beyond the deal, PwC, 18 February 2019
- UK&I M&A Monitor February 2026, Dealsuite, 2026
- Age and Lack of Succession Main Reason for Business Sales in the UK, Dealsuite, 26 February 2026
- The Impact on UK Acquirers of Domestic, Cross-border, Public and Private Acquisitions, Conn, Cosh, Guest and Hughes, Journal of Business Finance & Accounting, 2005
