High Net Worth Tax Companies in London: A Practical Selection Guide (2026)
AC
Acumon Chartered Accountants·10 min read
Managing significant personal wealth often involves more than standard tax compliance, especially when assets, investments, business interests, or family structures become more complex. This practical guide provides an overview of companies offering high net worth tax services in London, rather than ranking them. The selection includes different types of companies, from larger organisations with broad advisory capabilities to specialists focused on specific private client needs. It explains who these companies support, their areas of expertise, and the factors that may help readers compare options when choosing suitable tax support.
Acumon
Acumon is a UK firm of chartered accountants and tax advisers providing tax services for individuals, businesses, and corporate groups. The firm supports clients with personal and corporate tax matters, including situations where personal wealth, business interests, investments, and wider financial arrangements require coordinated advice.
The firm works with entrepreneurs, investors, owner-managed businesses, and high net worth individuals who need support with tax planning, compliance, and financial structuring. Acumon’s approach combines technical tax knowledge with a practical understanding of each client’s financial position, helping clients manage tax obligations while considering longer-term planning requirements.
Acumon provides tax advisory support through qualified professionals, including Chartered Tax Adviser expertise within its team. The firm’s work covers areas such as personal taxation, corporation tax, international tax considerations, property-related taxes, and tax planning strategies for complex financial situations.
The company operates from London and supports UK-based clients as well as businesses and individuals with international connections. Its experience with corporate structures, cross-border matters, and investment-related considerations allows it to assist clients whose financial affairs involve multiple jurisdictions or interconnected personal and business assets.
High net worth clients often require tax advice that considers more than annual compliance obligations. Acumon works with individuals and business owners on matters involving wealth planning, personal tax responsibilities, investment structures, and the relationship between private and commercial financial interests.
The firm supports clients by combining tax advisory services with accounting expertise, helping them maintain accurate financial information and make informed decisions regarding their tax position.
Tax Capabilities
Acumon provides high net worth tax services across several areas connected with personal wealth and financial planning.
These include:
Personal Tax Planning For High Net Worth Individuals
Corporation Tax Advisory
International Tax And Double Taxation Advice
Property-Related Tax Support
Capital Gains Tax Planning
Inheritance Tax Planning
HMRC Investigation Support And Tax Compliance Assistance
Acumon’s tax engagements are designed around the specific circumstances of each client, with consideration given to personal assets, business ownership, investment activities, and wider financial arrangements.
Regulatory Licences and Registrations
Acumon operates as a regulated professional accountancy firm providing accounting and tax advisory services in the United Kingdom.
These include:
Chartered Accountant Qualifications Within The Firm
Chartered Tax Adviser Expertise
UK Accountancy Registration
Professional Tax Advisory Qualifications
Compliance With UK Tax Regulations
Compliance With Professional Accounting Standards
These professional qualifications and registrations support Acumon’s ability to provide tax advice to individuals and organisations requiring structured financial guidance.
Core Services
Acumon provides a range of tax services supporting high net worth individuals, entrepreneurs, and businesses.
These include:
Personal Tax Advisory
High Net Worth Individual Tax Planning
Corporation Tax Services
International Tax Advice
Capital Gains Tax Support
Inheritance Tax Planning
Property Tax Advisory
Tax Compliance And Reporting
HMRC Enquiry Support
Acumon works with clients whose financial affairs may involve multiple income sources, business ownership, investments, property interests, or international connections.
The firm supports individuals and businesses that are:
Managing Significant Personal Assets
Reviewing Their Tax Position
Operating Through Business Structures
Holding Investments Or Property Assets
Expanding Into International Markets
Early tax planning can help clients understand their obligations and consider available options before major financial decisions are made.
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
Saffery
Saffery provides personal and private client tax services for high net worth individuals, families, and entrepreneurs. The firm works with clients who have complex tax affairs and require advice on areas such as personal taxation, wealth planning, and long-term financial considerations.
Its private client teams support individuals with UK and international tax matters, helping them understand their obligations while considering available planning options. Saffery’s experience with wealthy individuals makes it relevant for clients managing significant assets or complicated personal circumstances.
Key Facts
Ideal for: High net worth individuals and families
Core services: Personal tax, private client advice, wealth planning
Specialization: Complex personal tax matters
Industries: Private wealth, entrepreneurs, family businesses
Address: 71 Queen Victoria Street, London EC4V 4BE, UK
LinkedIn: www.linkedin.com/company/saffery
Instagram: www.instagram.com/saffery_uk
BDO
BDO provides private client tax services for individuals, families, and business owners. Its services cover areas including tax compliance, asset structuring, succession planning, trust services, and family business advisory.
The firm works with clients whose personal and business interests may require coordinated tax advice. Its private client teams support both UK-based and internationally connected individuals dealing with more complex wealth structures.
Key Facts
Ideal for: Wealthy individuals, families, and business owners
Specialization: Personal wealth and family business matters
Industries: Entrepreneurs, private clients, family enterprises
Location: London, UK
Contact Information
Website: www.bdo.co.uk
Phone: 020 7486 5888
Address: 55 Baker Street London, W1U 7EU, United Kingdom
LinkedIn: www.linkedin.com/company/bdo-llp
Instagram: www.instagram.com/bdo_uk
Grant Thornton
Grant Thornton advises ultra-high net worth individuals and families on private tax matters. The firm works with clients who often have complex personal and business circumstances requiring coordinated tax advice.
Its private tax services cover issues connected with wealth ownership, family structures, and personal tax obligations. The firm can also support clients whose financial affairs involve business interests and international considerations.
Key Facts
Ideal for: Ultra-high net worth individuals and families
Blick Rothenberg provides private client services for individuals, families, and entrepreneurs managing complex financial affairs. The firm advises on personal tax matters, international tax considerations, and wealth planning requirements.
Its work often involves clients with multiple income sources, business interests, or international connections. The firm combines tax expertise with broader advisory support for individuals who need ongoing assistance with their financial affairs.
Key Facts
Ideal for: Entrepreneurs, executives, and wealthy families
Core services: Personal tax, private client advisory, international tax
Specialization: Complex personal financial matters
Industries: Private wealth, business owners
Location: London, UK
Contact Information
Website: www.blickrothenberg.com
Phone: +44 (0)20 7486 0111
Address: 16 Great Queen Street, Covent Garden, London, WC2B 5AH
SRLV provides private client tax services for high net worth individuals and families. Its services include personal tax compliance, capital gains tax advice, inheritance tax planning, and support with wealth preservation matters.
The firm works with clients who require assistance with both ongoing tax responsibilities and longer-term planning. Its private client offering covers situations involving property, investments, trusts, and family wealth structures.
Key Facts
Ideal for: High net worth individuals and families
Core services: Personal tax, inheritance tax, capital gains tax
Specialization: Wealth preservation and personal taxation
Deloitte provides tax and advisory services for high net worth individuals, private businesses, and family offices. Its teams support clients with personal tax matters, international considerations, and wealth-related planning.
The firm works with individuals whose financial affairs may involve business ownership, investments, family wealth structures, and cross-border requirements. Its private client approach combines tax expertise with access to wider professional services.
Key Facts
Ideal for: High net worth individuals and family offices
Core services: Private client tax, international tax, advisory services
Specialization: Complex wealth and business-related tax matters
Industries: Private wealth, entrepreneurs, family businesses
Location: London, UK
Contact Information
Website: www.deloitte.com
Phone: +44 (0)20 7936 3000
Address: 1 New Street Square London, EC4A 3HQ United Kingdom
LinkedIn: www.linkedin.com/company/deloitte
Facebook: www.facebook.com/deloitteuk
Twitter: x.com/deloitteuk
Evelyn Partners
Evelyn Partners provides wealth management, financial planning, and tax services for private clients. The firm works with individuals, entrepreneurs, and families requiring support with managing wealth, investments, and personal financial planning.
Its services combine tax considerations with broader wealth management support, making it relevant for clients looking for coordinated advice across different aspects of their financial affairs.
Key Facts
Ideal for: Wealthy individuals, families, and entrepreneurs
Address: 45 Gresham Street, London, EC2V 7BG, United Kingdom
LinkedIn: www.linkedin.com/company/evelynpartners
Facebook: www.facebook.com/evelynpartners
Twitter: x.com/evelynpartners
Instagram: www.instagram.com/evelynpartners
Withers
Withers provides private client legal and tax-related advisory services for wealthy individuals and families. The firm works on matters involving trusts, estates, succession planning, and international wealth structures.
Its private client teams support individuals who need advice where taxation intersects with legal arrangements, family wealth planning, and asset protection considerations.
Key Facts
Ideal for: Individuals with complex wealth structures
Rathbones provides wealth management and financial planning services for private investors, families, and trustees. Its services include investment management, financial planning, and support with tax-related considerations connected to personal wealth.
The firm works with private clients who need assistance managing significant assets and planning for long-term financial goals. Its services are particularly relevant where investment decisions and tax planning need to be considered together.
Kreston Reeves provides accounting and tax services for private clients, business owners, and families. Its services include personal tax advice, wealth management support, and broader financial planning assistance.
The firm works with individuals who require professional support with managing personal tax responsibilities alongside business and family financial matters. Its private client services are designed around ongoing advisory relationships.
Key Facts
Ideal for: Private clients and business owners
Core services: Personal tax, accounting, wealth advisory
Specialization: Individual and family financial matters
Address: 2nd Floor, 168 Shoreditch High Street, London, E1 6RA
Twitter: x.com/KrestonReeves
LinkedIn: www.linkedin.com/company/kreston-reeves
Alliotts
Alliotts provides private client advisory and tax services for individuals, families, and business owners. The firm supports clients with personal taxation, financial planning, and compliance requirements.
Its services are aimed at individuals who need professional assistance managing tax obligations and organising their financial affairs. The firm works with clients requiring tailored advice rather than standard tax return preparation alone.
Key Facts
Ideal for: Individuals and families requiring personal tax advice
Core services: Private client tax, accounting, advisory support
Address: Manfield House, 1 Southampton Street, London, WC2R 0LR, UK
Phone: +44 (0)20 7240 9971
IBISS & CO
IBISS & CO provides tax planning services for high net worth individuals, including advice connected with wealth preservation, inheritance tax planning, and family wealth structures.
The firm works with clients who require support with organising significant personal assets and considering longer-term tax implications. Its services focus on planning strategies for individuals and families with more complex financial circumstances.
Key Facts
Ideal for: High net worth individuals and families
High net worth tax services in London cover different areas, from personal tax compliance and inheritance planning to international matters, trusts, and wealth structuring. The suitable provider depends on the complexity of the client’s financial situation, the type of assets involved, and the level of advisory support required.
This guide highlights a selection of companies in this sector rather than ranking them. Readers can compare firms based on their private client experience, service scope, and ability to support specific tax and wealth management requirements.
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.
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