Commercial litigation is one of the most intellectually demanding and operationally complex practice areas in UK law. Cases run for months or years, involve vast volumes of documents, and require constant strategic reassessment as new evidence emerges and the opponent’s position evolves. Courts impose strict timetables, costs management requirements, and disclosure obligations that generate significant administrative burdens — even before a hearing is reached.

Running a commercial litigation practice efficiently means maintaining the discipline needed to honour court obligations and costs budgets while keeping fee earners free to do the legal and strategic work that actually determines outcomes. This guide addresses caseload management, costs budgeting, disclosure, technology, and the economics of a sustainable disputes practice.

Understanding the Commercial Litigation Pipeline

Case Types and Value Bands

Commercial litigation encompasses a broad range of disputes: debt recovery, contract claims, partnership and shareholder disputes, property disputes, professional negligence, fraud, and regulatory investigations. The economics of each type differ substantially.

At the lower end, defended debt and contract claims under £100,000 are typically handled in the Business and Property Courts at County Court level or through the Shorter and Flexible Trials Scheme. The fees are relatively modest, the timetables shorter, and the costs management less complex. These matters reward process efficiency — firms that can run a defended contract claim to judgment efficiently are able to handle volume profitably.

Higher-value and complex commercial disputes in the Business and Property Courts (BPC) — the Commercial Court, Chancery Division, Technology and Construction Court — are a different product entirely. A £5 million breach of contract claim in the Commercial Court with a two-week trial involves costs budgeting in the hundreds of thousands, potentially a year or more of preparation, expert evidence, extensive disclosure exercises, and high-stakes advocacy. The margins can be excellent but the work-in-progress risk is significant.

Conditional Fee Agreements in Commercial Disputes

CFAs have become more widely used in commercial litigation following the abolition of recoverability from opponents. A CFA allows a client with a strong case but a preference for not funding litigation on an hourly basis to share the risk with the firm. The firm earns a success fee (of up to 100% of base costs) if the case succeeds; nothing if it fails.

CFAs require careful underwriting. Before entering a CFA, the firm should have done a written merits assessment, considered the enforceability risk (CFAs must comply with the CFA Order 2013), and assessed the likely costs outcome at trial. A conditional fee arrangement on a £2 million fraud claim that runs for three years before being abandoned is a substantial write-off. Many firms offer a hybrid CFA — a reduced hourly rate with a smaller success fee — to balance risk.

CPR Compliance and Court Timetable Management

Directions and the Case Management Conference

The Civil Procedure Rules 1998 govern commercial litigation procedure. The CMC (Case Management Conference) is the key early hearing at which the court sets the timetable to trial: disclosure deadlines, witness statement exchange, expert report exchange, pre-trial review, and trial window. Once this timetable is set, compliance is expected. Applications to extend or vary directions require a good reason and, in the Business and Property Courts, are viewed with increasing impatience.

The practical consequence for practice management is that every direction in a CMC order must be translated immediately into an internal deadline, with a lead time that allows for the work involved. A witness statement exchange direction with a four-month lead time requires drafting to begin weeks before the deadline — not the week before. A costs management order requiring updated Precedent H at defined intervals must be diarised from the outset.

Disclosure under the Disclosure Pilot

The Disclosure Pilot Scheme (now the standard approach in the BPC following its permanent adoption) requires parties to engage in a cooperative, proportionate disclosure process under PD 57AD. This replaces the old standard disclosure approach with a more tailored regime: the parties agree (or the court determines) which of five disclosure models applies to each issue in the case.

The practical burden on litigators is significant. Document Review Plans, List of Issues for Disclosure, Disclosure Reviews, and Extended Disclosure searches all require careful management. For disputes involving large volumes of electronic data — emails, financial records, databases — the e-disclosure exercise can be one of the largest costs items in the case. Managing an e-disclosure exercise efficiently requires specialist document review tools (Relativity, Nuix, Everlaw), clear protocols for custodian selection and search term design, and a well-structured team.

Costs Budgeting and Management

Precedent H and Costs Management Orders

For most multi-track cases in the Business and Property Courts valued at under £10 million, the court will make a costs management order requiring both parties to file and serve a Precedent H costs budget. Once approved, the budget caps recoverable costs in each phase (pre-action, issue, CMC, disclosure, witness statements, experts, pre-trial, trial, ADR, contingencies) unless the court permits revision.

Preparing an accurate Precedent H requires the fee earner responsible for the case to make realistic estimates of the work in each phase — which in turn requires understanding the case well enough to plan it properly at an early stage. Firms that treat Precedent H as an afterthought, or that delegate it to a paralegal with no knowledge of the strategy, tend to end up with budgets that either undershoot (creating write-off risk) or are challenged by the opponent and reduced by the court.

The approved budget is not just a costs recovery cap — it is a management tool. Tracking actual costs against budgeted phases at defined intervals throughout the case allows the supervising partner to identify overruns before they become problems, to have honest conversations with clients about costs trajectories, and to make strategic decisions (settle/proceed/bring an interim application) on a properly costed basis.

Indemnity Costs and Part 36

Part 36 of the CPR provides a powerful but technically demanding tool for costs management. An effective Part 36 offer triggers cost consequences if the offeree fails to beat the offer at trial — typically indemnity costs and enhanced interest from the date the offer should have been accepted. Advising clients on the timing and quantum of Part 36 offers is one of the highest-value services a commercial litigator provides.

Expert Evidence

Selecting and Instructing Experts

Most commercial litigation of any complexity involves expert evidence. The discipline ranges from quantum experts (accountants, valuers) to technical experts (engineers, software developers, medical professionals) to industry experts (shipping, commodities, finance). Expert evidence is governed by CPR Part 35 and Practice Direction 35 — the expert’s overriding duty is to the court, not the instructing party.

The quality of the letter of instruction is a direct determinant of the quality of the expert report. A letter that clearly identifies the issues to be addressed, provides the relevant documents, and directs the expert’s attention to the specific factual matrix in dispute produces a focused, useful report. A vague instruction letter produces a vague, general report that will be attacked in cross-examination.

Joint Experts and Expert Meetings

The court frequently directs that the parties instruct a single joint expert (SJE) rather than separate experts. Managing an SJE — agreeing the instruction, reviewing the report, raising questions under CPR 35.6 — requires a different skill set than managing a party-appointed expert. If the SJE’s report goes against you, challenging it is procedurally difficult; better to engage thoroughly with the instruction process.

Where parties have separate experts, the court will usually direct a without-prejudice expert meeting and a joint statement of issues agreed and not agreed. Preparing the expert for this meeting — ensuring they understand the relevant factual matrix and the legal framework within which their opinion operates — is critical.

Alternative Dispute Resolution

The Court’s Expectations

The courts’ approach to ADR has hardened significantly following the Court of Appeal’s decision in Churchill v Merthyr Tydfil [2023] and the subsequent amendments to the CPR. Courts can now order parties to attempt ADR before the case proceeds, and unreasonable refusal to engage with ADR is routinely reflected in adverse costs orders.

Building ADR evaluation into the case plan from the outset — identifying the best ADR moment (post-exchange of evidence, post-expert reports, post-disclosure), selecting the appropriate forum (mediation, expert determination, early neutral evaluation), and preparing the client — is now a standard part of competent commercial litigation practice.

Mediation Preparation

A well-prepared mediation requires a clear position statement, a chronological bundle, an opening statement, and (most importantly) a realistic authority from the client. Many commercial mediations fail because one or both parties arrive without genuine settlement authority or without having genuinely thought through the range of acceptable outcomes. Thorough pre-mediation preparation with the client — walking through the realistic range of trial outcomes, the costs of proceeding, and the non-financial value of resolution — is one of the most commercially valuable investments a commercial litigator makes.

Technology for Commercial Litigation

Document Management and E-disclosure

Large commercial disputes generate document volumes that cannot be managed manually. A law firm running a multi-party commercial fraud case may be reviewing hundreds of thousands of documents across multiple custodians and date ranges. Purpose-built e-disclosure platforms with AI-assisted review (technology-assisted review, TAR) have become standard for large disputes, and the courts expect solicitors to be familiar with these tools.

For smaller commercial disputes, a structured document management system that allows documents to be categorised, tagged, and retrieved by category, date range, and relevance is sufficient. The key is that the document management approach is agreed and communicated at the start of the matter — not assembled retrospectively from a chaotic file.

Time Recording and WIP Management

Commercial litigation WIP (work in progress) can be substantial. A contested Commercial Court case running for 18 months before trial might have £500,000 or more of unbilled time. Managing this WIP — ensuring it is genuinely recoverable (either from the client or under an approved costs budget), billed at appropriate intervals, and written down where not recoverable — is one of the most important financial management functions in a commercial litigation practice.

Obiter helps commercial litigation teams handle the correspondence and administrative layer that surrounds litigation without directly generating recoverable hours — reading and triaging incoming correspondence from courts, opponents, and clients, drafting acknowledgements and standard responses, recording billable time from calls, and maintaining AML records. For practices with large numbers of concurrent matters at different stages, having AI manage the routine communication workflow means fee earners can focus on the strategic and analytical work that determines outcomes.

Commercial Litigation Practice Management Guide