Mercer & Hole

Business Details

50+ Years

experience

Trusted Chartered Accountants in London & the Home Counties

Mercer & Hole is a forward-thinking accountancy firm with over 120 years of experience, established in 1905. We prioritise client relationships, offering personalised advisory services tailored to individual and business financial needs. Our team combines technical expertise with practical solutions for tax planning, corporate finance, and business growth. As a top 50 UK accountancy firm, we serve private clients, businesses, and international organisations through four UK offices. Our cross-disciplinary approach integrates financial planning, restructuring, and tax advisory services to support long-term client objectives.

We maintain international reach through The International Accounting Group (TIAG) and TAGLaw alliances. Recognised for audit excellence and financial planning expertise, we hold accreditations from ICAEW, FCA, and the Good Business Charter. Our culture emphasises trust, resilience, and client-centric service delivery across sectors including healthcare, technology, and professional services.

Services

Audit & Assurance Corporate Finance Tax Advisory Financial Planning Restructuring Probate Services Virtual Finance Forensic Accounting Private Client Tax International Tax

Details

Year established: 1905

Highlights and features

120+ years of experience in accountancy and financial advisory services
Cross-disciplinary expertise integrating tax, audit, and corporate finance solutions
Four accessible UK offices in London, St Albans, Rickmansworth, and Milton Keynes
Recognised as top 50 UK accountancy firm and leading private client specialist
International reach through TIAG and TAGLaw global professional networks

Associations and certifications

Institute of Chartered Accountants in England and Wales (ICAEW)
Financial Conduct Authority (FCA)
Good Business Charter

Website

Update Listing

Services

Audit & Assurance

We provide statutory audit services compliant with IFRS and UK GAAP standards. Our team specialises in financial statement audits, internal controls evaluation, and regulatory compliance for SMEs and large corporations. Clients benefit from sector-specific expertise in construction, healthcare, and professional services. Our audit approach combines technical rigour with practical business insights to enhance financial transparency and stakeholder confidence.

Corporate Finance

Our corporate finance services include M&A advisory, business valuations, and capital raising. We support companies through management buyouts, financial due diligence, and growth financing. With sector expertise in technology and manufacturing, we deliver tailored solutions for business succession planning and international expansion. Our team combines transaction experience with tax-efficient structuring to maximise client outcomes.

Tax Advisory

We offer comprehensive tax compliance and strategic planning services for businesses and individuals. Specialisms include corporate tax, international tax structuring, and inheritance tax mitigation. Our advisors help clients navigate EIS/SEIS schemes, R&D tax credits, and cross-border tax obligations. The service integrates with financial planning to create holistic wealth management solutions for high-net-worth individuals.

Financial Planning

Our CFP-certified advisors provide retirement planning, pension consolidation, and investment strategy services. We specialise in court of protection matters, divorce settlements, and public sector pension planning. The service combines tax expertise with long-term wealth preservation strategies, supported by proprietary financial modelling tools and risk assessment frameworks.

Restructuring

We advise businesses facing financial distress through formal insolvency procedures and solvent restructuring. Services include administration, company voluntary arrangements, and creditors' voluntary liquidation. Our team specialises in forensic accounting for contentious insolvency cases and asset recovery. We provide expert witness testimony in complex corporate disputes and deliver turnaround strategies for SMEs across multiple sectors.

People

Ross Lane

Senior Partner

With over 25 years in accountancy, Ross specialises in corporate tax and business advisory. He leads Mercer & Hole's strategic direction, focusing on client relationship development and cross-disciplinary service integration across audit, tax, and corporate finance.

Mark Cassidy

Joint Managing Partner

Mark oversees operational excellence and service delivery standards. His expertise spans financial reporting, corporate governance, and professional practice development. He chairs the firm's quality assurance committee and represents Mercer & Hole in TIAG international accounting network.

Henry Page

Restructuring Partner

Henry leads the insolvency and restructuring practice with 20+ years' experience in corporate recovery. He specialises in administration, MVL/CVL processes, and forensic accounting investigations. Regularly appointed as expert witness in complex insolvency litigation cases across multiple industry sectors.

Lisa Spearman

Private Client Partner

Lisa heads the private client tax division, advising high-net-worth individuals on inheritance tax planning, offshore trusts, and wealth preservation. She combines technical tax expertise with financial planning to deliver bespoke solutions for family businesses and professional clients.

Dominic Dumville

Restructuring Partner

Dominic specialises in corporate insolvency and forensic accounting. With 18 years' experience, he manages complex liquidations, asset recovery cases, and expert witness engagements. He leads contentious insolvency investigations and provides strategic recovery advice to SMEs in financial distress.

Questions

What accounting standards do you audit to?

We conduct statutory audits in accordance with UK GAAP and IFRS standards, maintaining ICAEW regulatory compliance for all audit engagements.

Do you specialise in specific industry sectors?

Yes, we have dedicated sector teams for construction, healthcare, technology, professional services, and agriculture with tailored advisory capabilities.

Can you assist with international tax matters?

Our international tax team works through TIAG global network to provide cross-border tax advisory services, including non-dom tax structuring and offshore compliance.

What insolvency services do you offer?

We provide administration, liquidation, company voluntary arrangements, and solvent restructuring services with specialist forensic accounting support for contentious cases.

Do you offer virtual accounting services?

Yes, our cloud-based virtual finance department provides outsourced accounting, payroll, and management reporting services using Xero and QuickBooks platforms.

How are financial planning fees structured?

We offer transparent fee structures including hourly rates, fixed fees, and percentage-based asset management charges depending on client requirements.