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Law firm valuation


Establishing the true market worth of your practice

Valuing a law firm is a highly specialised discipline. Unlike a standard commercial business, a law firm's value is deeply tied to the personal goodwill of its partners, the strict regulatory environment it operates in, and the unique accounting mechanics of Work in Progress (WIP).

As the only accountancy firm working in partnership with the Law Society, Armstrong Watson provides authoritative, evidence-based valuations. We provide managing partners with a realistic assessment of their firm’s worth, giving you the clarity needed to enter M&A negotiations, admit new partners, or transition to an Employee Ownership Trust (EOT).

The mechanics of a legal sector valuation

As founding partners of Law Firm Ambition, we know that a law firm’s true value lies beneath the top-line revenue. Our valuation methodology is rigorous, assessing multiple factors to determine an accurate market price:

  • Adjusting Underlying Profitability: We strip out exceptional items, adjust partner remuneration to commercial market rates, and normalise property costs to calculate the true underlying maintainable profit (EBITDA) of the practice.
  • Valuing Lock-up (WIP and Debtors): We conduct a forensic review of your unbilled time and outstanding invoices. A firm with highly recoverable, fast-converting WIP commands a premium.
  • Assessing Goodwill: We distinguish between "personal goodwill" (which leaves when a partner retires) and "practice goodwill" (which remains embedded in the firm’s brand and recurring client base).
  • Capital Accounts and Liabilities: We clarify the difference between the enterprise value and the equity value, accounting for bank debt, partner capital accounts, and potential PII run-off liabilities.

Why do you need a formal valuation?

A professional valuation is a critical requirement for:

  • Internal Succession: Setting a fair, defensible price for incoming equity partners buying into the practice.
  • Incorporation or Restructuring: Satisfying HMRC requirements when transferring assets and goodwill into a new Limited Company or LLP.
  • EOT Transitions: Establishing the commercial value for a sale to an Employee Ownership Trust, which must be rigorously defended for tax clearance purposes.

Fixed-fee valuation reports

We provide total fee certainty for our valuation services. Following an initial discussion, we provide a fixed-fee quote to ensure you receive a comprehensive, independent report.

  • Desktop Valuation: From £3,975 + VAT (for firms up to 100 people).
  • Full Valuation Report: From £6,095 + VAT (for firms up to 100 people).
  • Large Firms: Bespoke pricing agreed based on requirements.

Payment is required in advance. Please note: if the valuation forms part of a legal dispute, additional costs may apply. All services are delivered remotely via video conferencing, with face-to-face options available on request.

Key contact

Andy Poole, Corporate Finance Partner

Andy Poole

Corporate Finance Partner

Contact Andy

Our Methodology

Our reports go beyond simple multipliers. We analyse the firm’s specific characteristics, including location, work types, prospects, and how current shifts in the legal market affect your specific practice area. We provide a final conclusion on the most appropriate valuation methodology and multiples to ensure the result is fair and substantiated.

Contact us

Case Study: Resolving a High-Stakes Shareholder Dispute

Armstrong Watson were approached by an individual that had left a law firm that he had established some years previously. The terms of the shareholders’ agreement provided for an independent valuation to be carried out following appointment of an arbitrator by the President of the ICAEW. Our remit was to work on behalf of the individual with his dealings with the arbitrator and the other parties to the dispute.

The other parties were to remain as owners of the practice and had offered a valuation of our client’s shares of almost £nil. Our client expected considerably more and had fallen out with his former colleagues as a result. Legal action had also been taken and each party was being advised by other lawyers. We therefore needed to liaise with the individual’s legal advisers; take care not to interfere with the legal process; or to adversely impact upon it.

We were instructed to carry out a valuation of the law firm for submission to the independent arbitrator. We prepared a fully substantiated valuation report taking into account all of the issues of the firm and the changes in the wider legal market. This was prepared on the same basis as if we were the independent arbitrator. We always take this approach and will only put forward a valuation that we could defend in court if required. We do not artificially inflate valuations as part of a negotiation process.

Our calculations showed a value of the individual’s shares in excess of £100,000. We submitted our report on that basis and responded to the other party’s submission on behalf of our client.

The independent arbitrator’s valuation was in line with our calculations and report and in our view provided a fair valuation for all concerned. More importantly for our client, it was a result that he was delighted with.

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