Business Details
50+ Years
experience
Expert Business Valuation Services Since 1975
Established in 1975, Parmentier Arthur has built a reputation as a specialist in valuing unquoted shares, privately-owned businesses, and intangible assets. Our expertise spans tax-based valuations, litigation support, and expert witness testimony, serving legal and accounting professionals alongside corporate and individual clients. With over four decades of experience, our team combines board-level financial management insights and senior HMRC roles to deliver authoritative, objective valuations. We prioritise pragmatic solutions tailored to complex scenarios, including capital gains tax, inheritance tax, and employee equity incentive schemes. Our consultants maintain a rigorous approach to financial projections and market analysis, ensuring clarity and proportionality in every report.We actively support clients in negotiating with HMRC and SAV, leveraging our deep understanding of regulatory expectations. Our services extend to goodwill valuations during business incorporation and assessing intellectual property, including patents and trademarks. By blending theoretical knowledge with real-world commercial experience, we provide reliable, defensible valuations that address both legal and transactional needs. Our commitment to independence and client-focused service remains central to resolving disputes and facilitating informed decision-making. With a track record spanning generations, we continue to adapt our expertise to evolving tax frameworks and market dynamics.
Services
Business Valuations
Tax Valuations
Litigation Support
Share Valuations
Intangible Asset Assessments
Expert Witness Services
HMRC Negotiations
Goodwill Valuations
Inheritance Tax Advice
Capital Gains Tax Consultancy
Details
- Year established: 1975
Highlights and features
- We have over 45 years of experience in business and share valuations.
- Our team includes former HMRC Shares & Assets Valuation professionals.
- We provide independent, court-compliant expert witness reports.
- We specialise in negotiating with HMRC and SAV on tax valuations.
- Our rigorous approach combines financial theory with real-world commercial insights.
Services
Business Valuations
We provide comprehensive valuations for entire businesses or individual shareholdings. Our assessments consider market conditions, financial performance, and regulatory requirements to deliver defensible valuations for transactions, disputes, or tax purposes. Clients include private equity firms, legal professionals, and business owners seeking accurate valuations grounded in rigorous analysis.
Tax Valuations
Our tax-focused valuations address capital gains tax, inheritance tax, and corporation tax requirements. We specialise in negotiating with HMRC and SAV to ensure valuations meet regulatory standards while minimising tax liabilities. Services include goodwill assessments during business incorporation and negligible value claims for worthless shares.
Litigation Support
We offer expert witness testimony and dispute resolution services for shareholder conflicts and legal cases. Our reports are independently prepared with court compliance in mind, balancing thorough analysis against cost-effectiveness. We act as single joint experts or party-appointed specialists in commercial disputes.
Intangible Asset Assessments
We value intellectual property including patents, trademarks, and goodwill. Our approach scrutinises financial projections, market potential, and legal protections to determine fair values for tax, litigation, or commercial purposes. This includes assessing brand value and customer relationships in diverse industries.
HMRC Negotiations
We represent clients in negotiations with HMRC and SAV regarding disputed valuations. Our team leverages deep regulatory knowledge to resolve impasses over share values, goodwill claims, and tax treatments. We focus on achieving pragmatic solutions aligned with both client needs and compliance requirements.
People
Stuart Gilham
Director
Stuart leads our valuation team with board-level financial management experience and former senior roles at HMRC's Shares & Assets Valuation office. His expertise spans tax-related valuations and dispute resolution.
Mike Reade
Managing Director
Mike joined in 2025, bringing over two decades of private equity and portfolio company advisory experience. He specialises in complex valuations for transactions and tax planning.
Questions
What types of business valuations do you specialise in?
We specialise in valuations for tax purposes, shareholder disputes, mergers and acquisitions, and litigation support. This includes valuing unquoted shares, goodwill, and intellectual property.
How do you handle HMRC disputes over valuations?
We negotiate directly with HMRC and SAV using our regulatory expertise to resolve disputes. Our team includes former HMRC officials who understand the negotiation process thoroughly.
Can you assist with inheritance tax valuations?
Yes, we provide valuations for inheritance tax purposes, including shareholdings and business assets. We ensure compliance with HMRC requirements while minimising tax liabilities.
Do you provide expert witness reports for court cases?
Yes, we prepare independent expert witness reports for shareholder disputes and commercial litigation. Our consultants act as single joint experts or party-appointed specialists.
How are intellectual property valuations conducted?
We analyse financial projections, market conditions, and legal protections to determine IP values. This includes patents, trademarks, customer relationships, and brand assets.
What experience do you have with business incorporations?
We assess goodwill values during sole trader to company transitions, ensuring HMRC compliance. Our team has handled complex cases involving trade-related properties and tax reliefs.
