Tim’s passion lies in helping his clients maximise their wealth through successful tax planning for the future. Whether you are seeking a solution on the most efficient way to implement your inheritance plans or would simply like some plain-English advice on your tax liabilities, Tim is expertly placed to offer you a highly professional and personalised service.

Having previously worked for HMRC, Tim Cook can use his insights to assist with HMRC investigations and ensure that you are informed at all times, and can offer you clear and simple advice throughout the process.

His technical areas of expertise include tax planning, pensions, emigration and trusts. Tim works with entrepreneurs, and families from a wide range of backgrounds, based both in the UK and overseas.

Tim Cook joined Wilder Coe in 1996 and was made Tax Partner in 2001.

Professional Memberships

• Affiliate of the Institute of Chartered Accountants in England and Wales

Professional Areas of Expertise

• Tax Planning
• Pension Planning
• Inheritance Tax
• Trusts
• HM Revenue and Customs Investigations
• International Tax
• Capital Gains Tax

Sectors of Expertise

• Entrepreneurs
• High Net-Worth Individuals

Read Tim Cook’s latest insights:

• Wilder Coe appoints two Tax Partners - 2 Apr 24
• Economic Crime Levy - 25 Apr 23
• UK IHT (Inheritance Tax) and planning strategies recording - 4 Jul 22

Jamie Muirhead is a tax partner at Wilder Coe Ltd since April 2024, based in the City of London.

He advises on all aspects of UK tax compliance, with a particular focus on corporate and business taxes and cross-border work, and currently leads the Corporation Tax team at Wilder Coe Ltd.

Jamie also provides commercially focused tax advice to large corporate groups, international businesses and owner-managed companies across the full spectrum of UK business taxes.

He is experienced leading cross-border tax projects, M&A transaction support assignments, restructuring and reorganisation, and strategic advisory work, including to private equity-backed businesses and investors, and is known for providing practical, commercially driven advice aligned to wider business objectives.

He is a Chartered Tax Advisor (CTA) and a Chartered Accountant (ACA)

Areas of Expertise

• UK corporation tax and business taxes
• Cross-border & international tax
• Large corporate groups
• Transaction tax, M&A transaction support and tax covenant advice
• Tax-efficient acquisition and finance Structuring
• Tax due diligence
• Tax efficient exit structuring
• Group reorganisations
• HMRC enquiries & tax risk management
• Tax expert witness work and tax advice in the context of disputes

Experience

Jamie advises businesses on complex corporation tax and wider business tax matters, with particular expertise in transactions, structuring and international tax issues.

Representative experience includes:

• Advising on a series of complex deals in the hospitality sector, from refinancing with an international private credit lender on gross assets in excess of £1billion, to a landmark hotel sale in central London.
• Assisting an overseas buyer on the purchase of a small UK trading business, using both group and 3^rd party funds, delivering tax efficient finance and acquisition structuring advice and implementation assistance, together with due diligence and SPA support.
• Assist UK and international groups on cross-border structuring, expansion projects and tax risk management, including in respect of international employees and global talent acquisition, managing payroll, VAT and permanent establishment risk.
• Advise an emerging VC fund on the restructure of investment holdings and financing loans to facilitate future growth plans.
• Assist an owner managed cross boarder group on a tax efficient management incentive plan and ‘buy-in’.
• Advising large corporate groups on tax governance, risk management and HMRC matters, group interest and loss planning, and on implementation of the response to legislative changes, including the corporate interest restriction, electricity generator levy and pillar 2.
• Providing expert advice and input on commercial matters including tax cashflow modelling and investment analysis.
• Acting as tax expert and advisor in commercial disputes and litigation matters, including in respect of a liquidated damages claim under an SPA, shareholder disputes, and the quantification of latent uncrystallised tax liabilities in a family dispute with cross-boarder marital assets.

Jamie works closely with boards, CFOs, investors, lawyers and corporate finance advisers to deliver commercially focused solutions on complex tax matters.

Professional Memberships

• Member of The Institute of Chartered Accountants in England and Wales (ICAEW)
• Member of the Chartered Institute of Taxation (CIOT)

Qualifications

• BA (Hons) Cantab
• ACA
• CTA

Mark Dawes is a Tax Partner at Wilder Coe, based in the City of London. He has worked in tax since 1991 and in addition to general compliance work he advises on all aspects of UK taxation, including high-end complex tax planning matters, with a particular focus on multi-jurisdictional matters. Mark is a Fellow of the Association of Taxation Technicians, having qualified in 1999.

He acts for high net worth and ultra-high net worth individuals, internationally mobile clients and those in the sports, media and entertainment sectors, and is known for delivering technically robust and commercially practical solutions where cross-border issues arise.

Mark is a trusted adviser to a wide range of clients including Premier League footballers, global football agents, rugby union players, golfers, boxers, musicians, actors, entrepreneurs, and trustees. He leads all aspects of the planning process from initial strategy through to implementation, ensuring that tax mitigation structures are effective, compliant and aligned with clients’ commercial and personal objectives.

His work includes advising individuals coming to the UK, leaving the UK, and performing or working across multiple territories. He has extensive experience in residence and domicile matters, international income structuring and succession planning, and in coordinating multi-jurisdictional advice to provide cohesive and practical solutions. In addition, Mark accepts appointments as a Single Joint Expert, especially where there is an international aspect or where heavily detailed calculations are required.

Mark trained with Winters and has held senior roles at Barnes Roffe LLP and Sopher + Co, before joining Wilder Coe in April 2024 and ascending to Partner in October 2024.

Professional Areas of Expertise:

• UK private client tax
• Residence and domicile matters, including the new FIG regime
• Cross-border tax planning
• Sports, media and entertainment clients

   

• Trusts and estates
• Succession planning
• Implementation of tax mitigation strategies
• Single Joint Expert work

Professional Memberships:

Fellow of the Association of Taxation Technicians (FATT)

Sarah has been part of Wilder Coe since 1996 and qualified as a Chartered Tax Adviser in 1998. She manages a varied portfolio of high-net-worth individuals, including Lloyd’s names, self-employed professionals, and barristers.

Alongside preparing annual tax returns, Sarah assists clients with a wide range of personal tax matters, providing a friendly, professional and personal service. She has worked closely with Tax Partner Tim Cook for many years, supporting clients with clear, reliable tax advice.

Professional Memberships

• A Member of the Association of Tax Technicians
• Chartered Institute of Taxation

Qualifications

• BA (Hons) Accounting