Litigation Support Companies in the UK: Providers and Services Guide
AC
Acumon Chartered Accountants·16 min read
When legal disputes become more complex, having the right professional support can make a significant difference. Litigation support services help businesses, legal teams and individuals manage financial, accounting and evidential matters that arise throughout the course of a dispute, whether during investigations, court proceedings or alternative forms of dispute resolution.
Across the UK, a wide range of firms provide litigation support services. Some specialise in forensic accounting and expert witness work, while others offer broader advisory capabilities that include valuations, fraud investigations, regulatory matters and financial analysis. The right provider often depends on the nature of the dispute, the industry involved and the level of technical expertise required.
This guide highlights a selection of litigation support services providers operating in the UK. Rather than ranking firms, its purpose is to offer practical context by introducing organisations active in this area, outlining the services they provide and the types of matters they typically support. Whether you are seeking assistance with commercial litigation, shareholder disputes, fraud investigations or expert witness services, understanding the different approaches available can help you make a more informed decision.
Acumon
Acumon is a UK firm of chartered accountants and advisors providing litigation support services to companies, organisations and individuals across the UK.
The firm works with clients ranging from owner-managed businesses and corporate groups through to solicitors, legal advisers and private individuals. Litigation support services are designed to assist with commercial disputes by providing independent financial analysis, objective assessments and expert accounting support throughout legal proceedings.
Acumon provides litigation support services across a range of commercial and financial matters, including forensic accounting, financial investigations, loss quantification, business valuations and document analysis. Services are delivered using a structured methodology tailored to the facts of each case, the legal issues involved and the specific requirements of clients and their legal advisers.
Acumon holds a Public Interest Entity (PIE) audit licence, enabling the firm to support organisations subject to enhanced regulatory oversight in the United Kingdom. In addition to its UK statutory audit registration, the firm also maintains audit licences in the Cayman Islands, British Virgin Islands (BVI), Jersey and Isle of Man, supporting clients involved in international structures and cross-border disputes.
Commercial disputes frequently involve complex financial information that requires detailed analysis and independent professional assessment. Acumon works with solicitors, management teams and business owners to review financial evidence, quantify losses and support litigation strategies with robust financial insight.
Litigation Support Capabilities
Acumon provides litigation support services across a wide range of commercial matters and legal proceedings.
These include:
commercial litigation
shareholder and partnership disputes
contractual disputes
business valuation matters
financial investigations
cross-border commercial disputes
Litigation support engagements are typically led by experienced professionals with direct involvement throughout the engagement.
Regulatory Licences and Registrations
Acumon holds several audit registrations that enable it to support organisations operating across multiple jurisdictions.
These include:
UK statutory audit registration
Public Interest Entity (PIE) audit licence
Jersey audit licence
Isle of Man audit licence
Cayman Islands audit licence
British Virgin Islands audit licence
These registrations allow the firm to support organisations operating across both the UK and key international financial centres.
Core Services
In addition to litigation support services, Acumon provides a range of services that support financial reporting and governance.
These include:
forensic accounting and financial investigations
litigation support and loss quantification
statutory external audit
group and subsidiary audits
Public Interest Entity (PIE) audits
charity and not-for-profit audit
internal audit and governance reviews
risk management and compliance support
Litigation support work is often delivered alongside discussions with solicitors, legal advisers and management regarding financial evidence, dispute resolution strategies and the interpretation of complex accounting information.
Many organisations require litigation support when commercial disputes arise, financial losses need to be assessed or independent financial expertise is required to support legal proceedings.
Acumon works with clients that are:
managing commercial disputes
reviewing complex financial evidence
quantifying financial losses
resolving shareholder or contractual disputes
requiring independent forensic accounting support
Early engagement can help ensure that financial evidence is assessed thoroughly, key accounting issues are identified promptly and litigation strategies are supported by objective financial analysis.
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
Phone: 020 8567 3451
Jack Ross Forensic Accountants
Jack Ross Forensic Accountants provide litigation support services for solicitors, legal teams and businesses involved in commercial and financial disputes. Their work focuses on the accounting and financial issues that arise during legal proceedings, helping to assess financial evidence, quantify losses and explain complex financial matters in a way that supports the legal process. Depending on the requirements of a case, they may be instructed in an advisory capacity or appointed as independent expert witnesses for court proceedings.
Their litigation support covers a broad range of commercial disputes, including breach of contract, professional negligence, shareholder matters and business interruption claims. Alongside financial loss assessments, they undertake forensic investigations, business valuations and analysis linked to fraud or asset-related disputes where specialist accounting expertise is required. This combination of forensic accounting and litigation support enables legal teams to access financial analysis throughout different stages of a dispute, from the initial review of a claim to mediation or trial.
Key Highlights:
Litigation support for commercial and financial disputes
Forensic accounting and financial investigations
Independent expert witness appointments
Financial loss and damages quantification
Business valuation expertise for dispute resolution
Support for mediation, arbitration and court proceedings
Experience with professional negligence and contractual claims
Services:
Litigation support
Expert witness reports
Commercial damages assessment
Loss of profits analysis
Business interruption claims
Professional negligence support
Forensic investigations
Business valuations
Contact Information
Website: forensic.legal
Address: Barnfield House, The Approach, Manchester M3 7BX
Phone: 0161 832 4451
AAB
AAB provides litigation support services across a range of commercial, financial and personal disputes, combining accounting, corporate finance and forensic expertise where financial evidence forms part of legal proceedings. Their work includes assisting solicitors, businesses and individuals with financial analysis, valuations and investigations that help clarify the issues in dispute and support informed legal decisions.
The firm's litigation support extends beyond commercial claims to include fraud investigations, insolvency-related matters and family disputes where financial issues require independent analysis. Depending on the nature of the case, assignments may involve preparing expert evidence, reviewing financial records, quantifying losses or supporting legal teams during negotiations, mediation and court proceedings. This multidisciplinary approach allows financial, valuation and investigative work to be considered together where disputes involve several overlapping issues.
Key Highlights:
Litigation support for commercial, insolvency and family disputes
Forensic accounting and financial investigations
Business, share and partnership valuations
Financial loss assessment and expert evidence
Support for solicitors, businesses and private individuals
Experience with fraud and insolvency-related matters
Multidisciplinary accounting and corporate finance expertise
Kreston Global offers litigation support services through their international network of member firms, assisting businesses, legal advisers and individuals involved in financial disputes. Their work centres on examining financial evidence, assessing economic losses and providing forensic accounting expertise where complex legal matters require independent financial analysis. Support is available across commercial litigation, arbitration and other forms of dispute resolution.
Cases involving fraud, hidden assets or contractual disagreements often require a combination of investigative and financial expertise. Their litigation support brings together forensic accounting, asset tracing and expert witness services to help legal teams understand financial issues and present evidence clearly during legal proceedings. Access to specialists across different jurisdictions also supports matters with an international element.
Key Highlights:
Litigation support through a global network of member firms
Forensic accounting and financial investigations
Economic loss and damages assessment
Asset tracing and recovery support
Expert witness services
Assistance with arbitration and dispute resolution
Experience in cross-border financial matters
Services:
Litigation support
Forensic accounting
Fraud investigations
Economic damage assessments
Asset tracing and recovery
Expert witness testimony
Evidence analysis
Arbitration support
Contact Information
Website: www.kreston.com
Facebook: www.facebook.com/KrestonHQ
LinkedIn: www.linkedin.com/company/kreston-global
Address: 7 Bell Yard, London WC2A 2JR
Grant Thornton UK
Grant Thornton UK provides litigation support as part of their forensic and investigation services, working with law firms, businesses and regulatory bodies on disputes involving financial and commercial issues. Their role includes analysing financial information, preparing expert evidence and supporting legal proceedings where accounting, valuation or investigative expertise is needed. The team is involved in litigation, arbitration and specialist regulatory hearings across a range of sectors.
Many assignments combine financial analysis with digital forensic techniques, particularly where large volumes of information need to be reviewed or investigated. Their litigation support covers commercial claims, fraud investigations, valuation disputes and regulatory matters, giving legal teams access to financial and technical expertise throughout different stages of a dispute.
Key Highlights:
Litigation support for commercial and regulatory disputes
JMW Solicitors provides litigation support in matters connected with the Court of Protection, personal injury and clinical negligence claims. Their work focuses on the financial and legal issues that arise where individuals require ongoing support following serious injury or loss of capacity. This includes preparing expert evidence that helps quantify future professional costs and supports claims throughout the litigation process.
Their involvement often continues beyond the preparation of reports, with appointments as professional deputies or trustees where ongoing financial management is required after settlement. Alongside expert witness drafting, the team works with litigators on issues such as capacity, interim payments and future care arrangements, contributing specialist knowledge to complex personal injury and Court of Protection cases.
Key Highlights:
Litigation support for Court of Protection matters
Expert witness statement drafting
Support for personal injury and clinical negligence claims
Professional deputy and trustee services
Financial evidence for future care costs
Assistance throughout the litigation process
Court attendance where required
Services:
Litigation support
Expert witness statement drafting
Court of Protection support
Professional deputy services
Trustee appointments
Future cost schedules
Capacity assessments support
Court attendance
Contact Information
Website: www.jmw.co.uk
Facebook: www.facebook.com/jmwsolicitors
Twitter: x.com/jmwsolicitors
LinkedIn: www.linkedin.com/company/jmwsolicitors
Instagram: www.instagram.com/jmw_solicitors
Address: 125 Deansgate, Manchester, M3 2BY
Phone: 0345 872 6666
HKA
HKA provides litigation support across a broad range of disputes involving construction, engineering, financial matters and regulatory issues. Their multidisciplinary teams include specialists in forensic accounting, digital forensics, engineering and valuation, allowing legal teams to draw on different areas of expertise where disputes involve technical as well as financial questions. Their work supports litigation, arbitration and other formal dispute resolution processes.
Many of the matters they assist with involve detailed investigations, expert analysis and independent opinions that help explain complex evidence. Alongside financial disputes, they are regularly involved in construction claims, intellectual property matters, government contracting, compliance issues and international arbitration, reflecting the wide scope of disputes where specialist expert evidence may be required.
Address: 6160 Knights Court, Solihull Parkway, Birmingham Business Park, Birmingham B37 7WY
Phone: +44 121 717 5770
Forvis Mazars
Forvis Mazars provides litigation support for organisations involved in commercial disputes, arbitration and legal proceedings where financial issues need to be examined in detail. Their work focuses on analysing the financial impact of disputes, documenting evidence and assessing losses to support legal advisers and decision-makers throughout the course of a case.
Financial expertise is combined with transaction and valuation experience where disputes relate to business acquisitions, contractual arrangements or warranty claims. In addition to preparing financial analysis, they contribute expert testimony when required and assist legal teams by presenting financial findings in a structured and understandable way.
Address: 30 Old Bailey, London, EC4M 7AU, United Kingdom
Phone: +44 (0) 20 7063 4000
Crowe
Crowe takes part in litigation support matters where financial evidence plays a key role in resolving disputes. Their team brings together business valuation and forensic accounting expertise to assist legal advisers and clients with questions around financial loss, business value and accounting issues that arise during legal proceedings. Depending on the circumstances, they may act in an advisory capacity or prepare independent expert evidence for mediation, arbitration or court.
Commercial and civil disputes often involve more than reviewing financial records alone, particularly where fraud, shareholder disagreements or business interruption claims are involved. Their litigation support covers financial investigations, reconstruction of accounting records and economic loss analysis, helping legal teams understand the financial position behind a claim and present evidence in a clear and structured way.
Key Highlights:
Litigation support for commercial and civil disputes
Forensic accounting and business valuation expertise
Independent expert witness services
Financial loss and economic damage analysis
Fraud and financial investigations
Asset protection and recovery support
Experience with mediation, arbitration and court proceedings
Address: 3rd Floor, St George's House, 56 Peter Street, Manchester M2 3NQ
Phone: +44 (0)161 214 7500
Saffery
Saffery are involved in litigation support where financial, accounting and tax matters form part of legal proceedings. Their forensic and litigation team assist solicitors and their clients by examining financial information, preparing expert opinions and supporting disputes that require specialist accounting expertise. The firm is particularly active in matrimonial proceedings, where financial analysis and business valuations often contribute to resolving complex cases.
Financial investigations can vary significantly depending on the nature of a dispute, and their experience covers tax enquiries, share valuations and forensic accounting assignments. When cases proceed to court, arbitration or another formal process, expert reports and independent evidence help explain financial issues in a structured and understandable way for all parties involved.
Key Highlights:
Litigation support for financial and commercial disputes
Address: Midland House, 2 Poole Road, Bournemouth, Dorset BH2 5QY, UK
Phone: +44 (0)1202 204744
UHY
UHY approaches litigation support from a tax dispute perspective, helping businesses and individuals dealing with disagreements involving HM Revenue & Customs. Their involvement focuses on explaining available options, assessing the financial and legal issues surrounding a case, and supporting clients throughout the tribunal process where formal proceedings become necessary.
VAT disputes often require detailed technical knowledge alongside clear financial evidence. Their team assists with appeals, tribunal preparation and communication with HMRC, while also working alongside legal advisers or recommending specialist counsel where additional representation is appropriate. This makes their litigation support particularly relevant for disputes involving indirect tax matters.
Address: Glenewes House, Gate Way Dr, Yeadon, Leeds
Phone: +44 113 257 4506
PwC
PwC are involved in litigation support and forensic investigations where financial disputes require detailed analysis and independent findings. Their teams assist legal advisers, investors, creditors and regulators by investigating financial matters, reviewing complex transactions and preparing evidence that can be used during legal proceedings. Many of the cases they handle involve commercial disputes with significant financial or cross-border elements.
Asset tracing, fraud investigations and expert witness work form an important part of their litigation support offering. Financial investigations are often carried out alongside legal teams to establish the facts behind a dispute, assess financial evidence and support court proceedings or settlement discussions. Their experience also extends to cases involving complex financial structures and international transactions.
Deloitte approaches litigation support through multidisciplinary teams that combine legal, forensic, financial and technical expertise. Their dispute specialists assist organisations involved in commercial disagreements, regulatory matters and formal legal proceedings where independent analysis and expert evidence are required. The focus extends beyond individual disputes to understanding the commercial and operational issues that may influence the outcome of a case.
Many engagements involve collaboration between forensic accountants, valuation specialists, economists and technology professionals. This allows financial evidence, technical information and industry knowledge to be considered together, particularly in complex disputes that involve multiple areas of expertise. Their support covers litigation, arbitration and expert determination across a range of industries.
Key Highlights:
Litigation support for commercial and regulatory disputes
Multidisciplinary forensic and advisory teams
Expert witness services
Dispute advisory and litigation assistance
Valuation and economic analysis
Technology and forensic expertise
Support for arbitration and expert determination
Services:
Litigation support
Dispute advisory
Expert witness services
Forensic investigations
Valuation analysis
Economic assessments
Arbitration support
Expert determination
Contact Information
Website: www.deloitte.com
Facebook: www.facebook.com/deloitteuk
Twitter: x.com/deloitteuk
LinkedIn: www.linkedin.com/company/deloitte
Address: 1 New Street Square, London, EC4A 3HQ, United Kingdom
Phone: +44 (0)20 7936 3000
KPMG
KPMG delivers litigation and dispute resolution services that combine legal, forensic and commercial knowledge to support organisations facing complex disputes. Their teams assist clients throughout the dispute lifecycle, from early case assessment through to litigation, arbitration and alternative dispute resolution. The emphasis is on helping legal strategies align with the commercial issues surrounding a case.
Disputes increasingly involve financial records, digital evidence and cross-border considerations, which is reflected in their multidisciplinary approach. Alongside courtroom representation and arbitration support, they draw on forensic, technology and data analysis capabilities where evidence needs to be examined in greater detail. Their litigation support is used across a range of sectors and jurisdictions where disputes extend beyond a single legal issue.
Key Highlights:
Litigation support across domestic and cross-border disputes
Legal and forensic expertise
Arbitration and alternative dispute resolution support
Litigation support can involve a broad range of financial and forensic services, from business valuations and loss assessments to fraud investigations, expert witness reports and dispute analysis. The type of support required will depend on the issues involved in a case, the stage of the proceedings and the specialist expertise needed.
The firms included in this guide offer different areas of litigation support, with some focusing on particular types of disputes and others covering a wider range of forensic and advisory services. Comparing their experience, areas of practice and the services they provide can help legal teams, businesses and individuals identify firms whose expertise is relevant to the requirements of a specific matter.
AC
Written by the Acumon team
Acumon is an ICAEW-registered firm of chartered accountants and registered auditors
based in London, with offices in Pitstone, Aylesbury and Bournemouth. Need advice on
anything covered here? Talk to us.
An internal audit function must be assessed by a qualified, independent assessor at least once every five years. That requirement is Standard 8.4 of the Global Internal Audit Standards, which…
An internal audit function must be assessed by a qualified, independent assessor at least once every five years. That requirement is Standard 8.4 of the Global Internal Audit Standards, which…
An internal audit function must be assessed by a qualified, independent assessor at least once every five years. That requirement is Standard 8.4 of the Global Internal Audit Standards, which…
Read article
Get in Touch
Ready for Accountants Who Move Your Business Forward?
Tell us what you need. Within one business day, a qualified accountant will be in touch to talk it through and give you a clear, fixed-fee quote — no obligation.
We use essential cookies to run this site, plus Google Analytics and Google Ads to
understand how visitors use it and measure our advertising — only with your consent. See our
Privacy Policy.
