Harnett Accontants

Harnett & Co | Chartered Accountants, Kingston upon Thames
Global House Business Centre 1 Ashley Avenue Epsom Surrey KT18 5AD
ICAEW Authorised Practice
Our Services | Harnett & Co — Chartered Accountants, Kingston upon Thames Skip to main content

Expert accountancy,
built around your business

A complete range of accountancy and advisory services for growing businesses across West London and Surrey — Big Four technical expertise with the personal attention your business deserves.

Core accountancy services
for your business

Everything a growing business needs to stay compliant, manage cash flow and make confident financial decisions.

Bookkeeping & VAT Returns

Accurate, up-to-date books using Xero or QuickBooks, with quarterly VAT returns prepared and filed on time. Fully Making Tax Digital compliant.

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Year-End Accounts & Corporation Tax

Year-end statutory accounts and CT600 corporation tax returns prepared accurately and filed on time with Companies House and HMRC.

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Payroll & HR Administration

Fully managed payroll including RTI submissions, auto-enrolment, P60s, P11Ds and statutory payments — accurate and on time, every time.

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Audit & Assurance

Statutory and voluntary audit services carried out to the highest professional standards, providing stakeholders with confidence in your financial reporting.

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Management Accounts

Monthly or quarterly management accounts giving you clear, timely insight into your business performance, cash position and profitability.

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Business Start-Up Advisory

From company formation and structure advice to first-year accounts and HMRC registration — we help new businesses start on the right financial footing.

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Specialist knowledge
when you need it most

Complex tax and business challenges require specialist expertise. Damien's Big Four background means we handle even the most demanding situations with confidence.

Tax Investigation Support

If HMRC opens an enquiry into your tax affairs, we provide expert representation and support throughout — protecting your interests and resolving the matter efficiently.

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Property & Landlord Tax

Specialist advice for property investors and landlords — Section 24, capital gains tax, SDLT planning, rental income tax and property company structuring.

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International Tax

Cross-border tax planning, overseas income reporting, double taxation relief and international business structuring for UK-based businesses and non-domiciled individuals.

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Cloud Accounting

MTD-compliant cloud accounting setup and training using Xero, QuickBooks or Sage. We migrate your existing records and get your team up to speed quickly.

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Company Secretarial

Confirmation statements, registered office services, director changes, share allotments and all Companies House filings handled professionally and on time.

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Business Valuations

Independent business valuations for sale, acquisition, shareholder disputes, EMI share option schemes and tax purposes — prepared to a professional standard.

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Business Restructuring

Expert guidance on business reorganisation, group structuring, holding company formation and tax-efficient restructuring to support your growth strategy.

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Cashflow Forecasting

Detailed cashflow models and forecasts to help you plan ahead, secure funding, manage seasonal pressures and make confident investment decisions.

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Personal tax & strategic
advisory services

Beyond business compliance — personal tax planning, wealth protection and strategic financial direction for you and your family.

Self Assessment & Personal Tax

Personal tax returns prepared accurately and filed on time, with proactive advice to minimise your liability — covering employment, investment and rental income.

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Estate Planning & IHT

Inheritance tax planning, gifting strategies, trusts and estate structuring to protect your wealth and ensure it passes to the right people as tax-efficiently as possible.

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Retirement & Pension Planning

Tax-efficient pension contributions, lifetime allowance advice, self-invested pension planning and retirement income structuring for business owners.

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Trusts & Executorships

Preparation of trust accounts and tax returns, executor support for estate administration, and ongoing trust compliance management.

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Landlord & Property Tax

Tailored personal tax advice for private landlords — rental income reporting, wear and tear, mortgage interest restrictions and buy-to-let tax strategy.

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Finance Director Services

Outsourced FD support for growing businesses that need strategic financial direction without the cost of a full-time hire. Board reporting, KPIs and growth planning.

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— TRANSPARENT PRICING

No hourly rates.
Just clear, transparent pricing.

We believe you should know exactly what you're paying before we start — not receive a bill at the end of the month you weren't expecting. Every engagement is priced transparently, agreed upfront and tailored to your specific needs — with no surprises.

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🏢
Sole Traders

Self assessment, bookkeeping & tax — all-in packages with costs agreed upfront from day one.

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Limited Companies

Accounts, CT600, payroll, VAT — fully managed compliance — costs agreed upfront.

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Partnerships

Partnership tax returns, profit sharing advice and management accounts.

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Start-ups

From company formation to first year accounts — we help you start right.

Our process

How we work with you

Simple, transparent and always in your interest — from first conversation to ongoing partnership.

Initial consultation

We start with a conversation to understand your business, your goals and your current situation - with no obligation on either side.

Tailored proposal — costs agreed upfront

You receive a clear, a clear proposal covering exactly the services you need — agreed upfront, no hidden extras.

Seamless onboarding

We handle the full switch from your previous accountant, set up your software and get everything in order — quickly and without disruption.

Ongoing partnership

From that point on, we're your financial partner — proactively advising, always available, always working in your interest.

🤝 Our promise to you
Same-day responseWe reply to all client queries within one business day — usually the same day.
📞
Direct access to DamienYou deal directly with Damien - not a junior member of staff or a call centre.
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Proactive adviceWe flag opportunities and risks before they become problems — you shouldn't have to ask.
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No surprise billsYour costs are agreed upfront. No time-based billing, no unexpected invoices, ever.
Common questions

Questions about our services

Can't find what you're looking for? Call us on 01372253100 or send us a message — we're always happy to help.

📍 Serving clients across

Kingston upon Thames · Richmond · Twickenham · Wimbledon · Surbiton · Esher · Epsom · Guildford · Cobham · and across West London & Surrey

We agree costs upfront — so you always know exactly what you're paying. Fees vary based on complexity and volume of work. We're happy to put together a tailored, no-obligation quote after an initial conversation.
Absolutely - switching is straightforward and we handle the entire process. We'll contact your previous accountant professionally to obtain your records and ensure a completely seamless handover with no disruption to your business.
Yes — while most clients are across West London and Surrey, we work with businesses throughout the UK. Many services are delivered entirely remotely via phone, email and cloud software, so location is rarely a barrier.
Yes, fully. We are MTD compliant for VAT and are actively preparing clients for MTD for Income Tax Self Assessment (ITSA). We use MTD-compatible software including Xero and QuickBooks and can help you migrate if needed.
We work with all major cloud accounting platforms - Xero, QuickBooks and Sage. We recommend whichever platform best suits your business; we have no software partnerships that influence our advice.
In most cases we can begin onboarding within one to two weeks of receiving your instruction. If you have an urgent deadline - an imminent tax return or payroll run - let us know and we'll do our utmost to accommodate you.

Ready to work with an accountant
who gets your business?

Get in touch today. We'll discuss your needs, answer your questions and give you a clear proposal - all at no cost.