Founders ask us this more than any other question. When's the peak? When's the window? When do we go?
Nobody calls the peak. Not in agency M&A, not in any market, and the people claiming they can are usually selling something. Deals that look like perfect timing only look that way eighteen months after completion, once the next leg of the cycle has actually shown up.
Three things need to be true for a good exit: the business has to be ready, the buyer market has to be open, and your personal circumstances have to line up. Two out of three is usually enough to get a deal done well. Three out of three is rare, but when it happens, you move.
What "business is ready" actually means
Buyers underwrite the next three to five years of cash flow without you in the room. Readiness has to be measurable against that, and it comes down to a specific set of things buyers check in diligence.
- 36 months of clean financials with consistent revenue recognition. Buyers want to see the same recognition policy applied every quarter for three years. Any restatement or policy change inside that window reads as a red flag and lengthens diligence.
- A leadership layer that could run the business through a six-month founder absence. The test isn't whether they could survive, it's whether growth targets could still be hit. A team that can hold revenue but not grow it prices differently to one that can do both.
- Client concentration under control. No single client above 20% of revenue, no top three clients above 40% combined. Above those thresholds, buyers start applying explicit concentration discounts, or push a larger portion of the deal into earnout tied to specific client retention.
- Contracts that lock in future cash flow. Retainer contracts with meaningful notice periods carry substantially more value in a valuation model than project revenue, even when the trailing numbers are identical. A book that's 70% retainer with 12-month terms will be modelled very differently to one that's 70% project.
- Documented operating processes. Particularly anything that currently lives in the founder's head. Buyers pay for institutionalised knowledge and discount around tribal knowledge.
Most of this work takes twelve to twenty-four months of deliberate effort. Founders who try to assemble readiness in the ninety days before a process usually find the cracks show up in diligence anyway. The buyer sees a business that was tidied for sale, and that framing itself costs multiple.
What "the buyer market is open" means
The agency buyer market isn't a single market. It's at least three distinct buyer pools, each running on its own cycle, each buying for different reasons.
Private equity has been uneven through 2025-26. Higher rates pulled some sponsors out of marketing services entirely, and the ones still active have got more selective. They want platform plays with clear AI angles or genuine vertical specialism. A generalist £2-5m EBITDA agency now gets meaningfully fewer PE looks than the same profile did three years ago. PE buyers today are pricing defensibility, not just growth.
Consolidators and roll-ups are active but far more disciplined than they were in 2021. A group that bought eight agencies in 2022 might do two this year, and each one will be picked for specific gap-filling reasons: a capability the group doesn't have, a geography it wants to enter, or a margin profile that pulls the group average up. The deals that get done are strategic bolt-ons, not opportunistic pickups.
Strategic buyers, meaning the large networks, holding companies, and tech firms with marketing services arms, are back in market after a quieter stretch. AI capability is the dominant driver. The big networks have accepted they can't build fast enough internally and are buying capability instead. Agencies with genuine AI-native delivery or workflow integration are seeing strategic interest they wouldn't have seen twelve months ago.
You don't need to track every deal. You need to know which buyer pool is leaning in, which is leaning out, and whether your profile fits what's being bought at this point in the cycle. That answer changes every 6-12 months.
What "personal circumstances align" means
Founders skip this dimension in their own assessment more than any other. A few questions worth working through honestly before you seriously consider going to market.
Are you in the right state of mind for a sale? The worst time to go to market is when you're burnt out. Buyers can read distress in a founder within two meetings, and they'll price it into the deal structure through longer earnouts, larger holdbacks, or stricter performance conditions. A process takes anywhere from three to twelve months, and during all of that you still have to run a growing business. If you're already exhausted going in, performance dips during diligence, and the buyer uses that dip to chip away at the headline number.
What number, net of tax, after escrow, after any earn-out, gets you to where you want to be? If you don't have that number, you can't evaluate an offer when it arrives. Founders who haven't done this work either accept offers they'll later regret or reject offers they should have taken.
Are you actually ready to leave, or flirting with the idea because you're tired? The two feel similar from the inside and lead to completely different deal outcomes. A founder who wants out will negotiate for cash weighted structures. A founder who's tired but not truly ready will end up locked into an earnout they resent within six months.
Have you had the conversation at home? Founders who haven't tend to wobble at the worst possible moments in a process, usually just before signing, and that wobble either kills the deal or costs several points of value in last-minute concessions.
The financial planning side matters more than most founders expect. UK Business Asset Disposal Relief requires you to have held qualifying shares for at least two years, which means the planning around share classes, family allocations, and trust structures needs to be in motion long before a process starts. If you're targeting a sale in twelve months and haven't done the personal tax and estate work, you're already behind, and the difference in net proceeds between a well-structured and a poorly-structured deal is easily in the hundreds of thousands, sometimes millions.
The window that opens after a big deal closes
One pattern in agency M&A materially changes timing decisions, and it's worth understanding properly.
A single large acquisition in your part of the market often creates the conditions for several smaller deals to follow. When a consolidator or strategic buyer closes a major deal, three things happen quickly.
First, the buyer's appetite gets publicly confirmed, which signals to other sellers that the door is open and to other buyers that they're being outpaced. Second, the buyer typically has remaining capital allocated to the same thesis, looking for the second and third deal that completes the strategy. Third, competing buyers watching the same market accelerate their own processes to avoid being late.
The window is typically 6-12 months from the announcement of the anchor deal. During that period, well-prepared agencies that fit the same thesis can run faster processes, attract more competitive tension, and achieve better terms than they could at almost any other point in the cycle. We've seen agencies achieve multiples half a turn to a full turn higher inside these windows than the same business would have secured six months either side.
The catch is that these windows favour the prepared. Nothing meaningful gets built in the ninety days after the anchor deal is announced. The agencies that capitalise on the window are the ones that did the work eighteen months earlier and can respond quickly when the signal arrives.
Putting it together
Watch the buyer market without trying to time it. Work on readiness regardless of what's happening externally, because readiness compounds and market timing doesn't. When you have two of the three dimensions in place, start the conversations. When you have all three, move.
Founders who chase the peak either wait too long or sell too early. Founders who focus on readiness across all three dimensions tend to transact at moments that turn out, retrospectively, to have been pretty good ones.
Take our exit readiness evaluation to work out where you actually stand across the three dimensions before you commit to a process.
