Selling a Business in London: What Owner-Managers Need to Know

London has the deepest pool of buyers, advisers, and corporate finance activity of any region in the UK — and that cuts both ways. If your business is well-prepared and professionally presented, you will find genuine competition among buyers and advisers alike. If you are not prepared, or you engage the wrong people, you can find yourself ignored, underserved, or paying fees that do not reflect the work done. Here is what you need to understand before you start the process.

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What makes the London M&A market different?

London accounts for a disproportionate share of UK M&A activity. The city hosts the majority of the country's private equity firms, most of the larger corporate finance boutiques, and a significant concentration of international acquirers with UK offices. For a seller, this means genuine access to a wide buyer pool — including buyers who would never naturally encounter your business through a regional network.

The downside is that this concentration of advisory activity creates a two-tier market. Many London-based corporate finance advisers focus on deals above £10m or £15m enterprise value, and they are not shy about saying so. If your business sits below that threshold, you may find that the most prominent advisers in the market are simply not interested — or, worse, they take you on and then give your deal to a junior team. That is a real risk and worth addressing head-on when selecting an adviser.

The competition among advisers in London also works in your favour as a seller. You are in a stronger position to negotiate fee structures, retainer levels, and success fee percentages than you would be in most regional markets. Use that leverage.

What types of businesses are being sold in London?

London's business base is genuinely diverse, and the sectors most active in the M&A market reflect that. The businesses we most commonly see coming to market include:

  • Professional services — accountancy practices, legal firms at SME scale, management consultancies, HR and recruitment businesses
  • Technology services — IT support, managed services, software implementation and support (owner-managed, not VC-backed)
  • Construction and fit-out — specialist contractors, commercial fit-out businesses, M&E contractors serving the London commercial property market
  • Healthcare services — dental groups, physiotherapy and allied health, diagnostics and specialist clinics
  • Facilities management and commercial services — cleaning, security, catering, maintenance contractors
  • Logistics and distribution — last-mile delivery, warehousing businesses serving Greater London and the South East
  • Media and creative services — design, marketing, production businesses with established client relationships

Each of these sectors attracts different buyer profiles and trades at different EBITDA multiples. Understanding where your business sits within its sector — and what comparable transactions look like — is foundational to setting realistic expectations.

How does London-specific cost structure affect your valuation?

This is where London deals require more careful preparation than regional equivalents. Two cost line items will receive particular scrutiny from any serious buyer or their advisers: property and payroll.

Property costs: London commercial rents are significantly higher than the national average, and leases tend to be longer and more complex. A buyer will look carefully at your lease terms — remaining duration, break clauses, rent review provisions, and whether the lease is assignable. If you operate from leasehold premises with a rent review due or a lease approaching expiry, this will affect value and potentially deal structure. Get ahead of this by understanding your lease position before you go to market.

London weighting in payroll: Many London businesses pay a London weighting supplement or simply pay staff at a premium to reflect the cost of living. When a buyer's team normalises your EBITDA, they will look at whether your payroll costs are genuinely embedded or whether there is scope for rationalisation post-acquisition. For a trade buyer acquiring you to gain a London footprint, the payroll may not be a problem — they will often be paying similar rates themselves. For a national buyer hoping to absorb your operation, it may be scrutinised more heavily.

The table below gives a broad indication of EBITDA multiple ranges for London-based businesses in active sectors, based on typical mid-market deal activity. These are ranges, not guarantees — quality of earnings, customer concentration, and deal structure all affect where any individual business lands.

SectorTypical EBITDA Multiple RangeNotes
Professional services5x – 9xHigher end for recurring revenue, strong client retention
IT managed services6x – 10xRecurring contract revenue drives premium
Construction / fit-out4x – 7xOrder book visibility and contract quality critical
Healthcare services6x – 12xRegulatory compliance and CQC status significant factors
Facilities management4x – 7xContract length and concentration scrutinised
Logistics / distribution4x – 7xFleet ownership vs. lease position affects structure
Recruitment4x – 7xPerm vs. contract revenue mix matters significantly

Who buys London businesses?

London businesses attract a wider and more international buyer pool than most regional equivalents. Three categories of buyer are worth understanding:

National trade buyers seeking a London presence: Many well-run businesses outside London reach a point where acquiring a London operation is strategically more efficient than building one from scratch. For them, a London business commands a premium simply because of geography — the client relationships, the brand recognition, and the existing team are worth paying for.

Private equity and PE-backed platforms: London has the highest concentration of PE firms in the UK, and many of their portfolio companies are actively pursuing acquisition strategies. If your business fits a PE-backed platform's growth thesis, you may find yourself dealing with a sophisticated, fast-moving buyer with clear valuation parameters and a professional M&A team.

International acquirers: London carries a genuine international premium. European, North American, and Asian acquirers looking for a UK entry point consistently prioritise London-based businesses. The combination of brand credibility, talent access, and client relationships that London provides is difficult to replicate elsewhere. If your business has characteristics that would interest an international buyer — established clients, a recognisable market position, a replicable operating model — this buyer category is worth deliberately targeting.

How do you choose an adviser in a crowded market?

The volume of corporate finance advisers operating in London is both an advantage and a trap. The quality varies significantly, and reputation does not always correlate with results.

A few practical points on adviser selection:

  1. Ask specifically who will run your deal. In larger firms, the partner who pitches you is often not the person who does the work. Insist on meeting the deal lead and the team who will actually be day-to-day.
  2. Check their transaction history at your deal size. Request completed deal examples in your revenue and EBITDA range — not just sector examples. An adviser who mostly works on £30m+ transactions may not have the right buyer relationships for a £5m deal.
  3. Negotiate the fee structure. In a competitive adviser market like London, there is room to push back on retainer levels, cap success fees, and include performance-related elements. Get at least two or three fee proposals before committing.
  4. Ask about their buyer network specifically. Which PE firms do they have active relationships with? Which trade buyers in your sector have they dealt with recently? Generalist claims are less useful than specific names and recent activity.
  5. Understand what happens if the deal takes longer than expected. Some adviser agreements have provisions that disadvantage sellers in prolonged processes. Read the engagement letter carefully — and have a solicitor review it.

What does a London business sale process look like in practice?

A well-run sale process for a London-based owner-managed business typically runs over nine to twelve months from initial adviser engagement to completion. The broad stages are:

  1. Preparation phase (two to three months): Financial normalisation, information memorandum preparation, identifying and resolving any structural issues (lease, key-person risk, customer concentration).
  2. Soft marketing (four to eight weeks): Confidential approach to a targeted list of strategic buyers and PE firms. London's density of buyers means this phase can move quickly if the business is well-presented.
  3. Indicative offers and selection (two to four weeks): Review of non-binding offers, selection of a preferred buyer or shortlist for detailed due diligence.
  4. Exclusivity and due diligence (six to ten weeks): Legal, financial, and commercial due diligence. London transactions often involve detailed property and employment due diligence given the cost structures involved.
  5. Heads of Terms and SPA negotiation (four to eight weeks): Negotiation of the Share Purchase Agreement, warranties, and any deferred consideration or earn-out structure.
  6. Completion: Final conditions satisfied, funds transferred, Companies House filings made.

If you are weighing up which type of adviser to engage, the guide on Business Broker vs Corporate Finance Adviser sets out the practical differences and when each is appropriate. It is also worth understanding how adviser fees are structured before you enter any conversations — Corporate Finance Adviser Fees in the UK covers typical fee ranges and what to watch for in engagement letters.

FAQ

Is London really a premium market for business sales, or is that overstated? The premium is real, but it is not automatic. London businesses with genuine client relationships, a defensible market position, and clean financials do attract higher multiples and a wider buyer pool than equivalent businesses elsewhere. A London address alone adds nothing — the underlying business quality still determines value.

What size of business does it make sense to use a corporate finance adviser in London? Most reputable London corporate finance advisers focus on businesses with EBITDA of £500k or above, with the more prominent firms focusing on £1m EBITDA and upward. Below that level, a business broker or specialist M&A adviser at smaller deal size may be more appropriate and more attentive.

Does London weighting in payroll significantly affect EBITDA normalisation? It depends on context. If you pay London weighting and any buyer of the business would need to do the same, the cost is not treated as exceptional — it stays in normalised EBITDA. Where it becomes an issue is if a buyer believes they can restructure headcount or relocate functions post-acquisition.

How long does a business sale take in London compared to the rest of the UK? The timeline is broadly similar — nine to twelve months from adviser engagement to completion is typical. London deals can move faster in the soft marketing phase given the concentration of buyers, but due diligence timelines are often longer due to property, employment, and regulatory complexity.

What should I do about my commercial lease before going to market? Understand your position fully before any buyer does. Key questions: What is the remaining term? Is there a break clause? Is the lease assignable or does assignment require landlord consent? Are there any outstanding rent reviews? A lease with fewer than three years remaining and no renewal agreed will concern buyers and may affect deal structure.

Do I need a London-based adviser to sell a London business? Not necessarily, but familiarity with the London buyer market — particularly PE firms and international acquirers — is genuinely useful. An adviser with strong national reach and established relationships in London can be as effective as one physically based in the city. What matters is their active deal relationships, not their postcode.

This article contains general information only and does not constitute financial or tax advice. Every business sale is different. Speak to a qualified UK tax adviser about your specific situation before making any decisions.

Understand what your business might be worth before you speak to any adviser. Use the free valuation calculator on the Succession Group website to get an indicative range based on your sector, revenue, and EBITDA — it takes less than three minutes and gives you a useful starting point for any conversation.