You Run the Business. We’ll run the Numbers
Expert Bookkeeping, Tax, and CFO Services Tailored to Your Needs
At THI, we believe your time is better spent building your vision—not buried in spreadsheets or tax codes. That’s why we offer tailored financial services designed to keep your business compliant, cash-flow healthy, and growth-ready—so you can finally get back to doing what you love.
Proactive Approach
Expertise Solutions
Long-Term Partnership
Dedicated Support
Customized Solutions to Keep Your Finances on Track
Whether you’re a startup, scaling business, or established enterprise, our full suite of accounting services ensures accuracy, compliance, and strategic financial planning. From day-to-day bookkeeping to strategic CFO advisory, our full suite of services gives you the clarity, control, and confidence you need to scale.
Bookkeeping & VAT
Keep your finances in perfect order with accurate, up-to-date bookkeeping and seamless VAT ....
CFO Services
Get world-class financial strategy without hiring a full-time executive. Our outsourced CFOs give ....
Company Accounts & Tax
Timely, compliant, and optimized company accounts and tax filings that protect your business .....
Mergers & Acquisitions
Navigate complex deals with confidence. We provide expert due diligence and financial ....
Self-Assessment Tax Returns
Stop dreading tax season. We handle your self-assessment return accurately and on time —
Company Secretarial Services
Stay legally compliant with Companies House and HMRC through proactive secretarial support,.....
Payroll
Run your payroll smoothly and securely with complete compliance. We handle RTI ....
CIS (Construction Industry Scheme)
Let us manage your CIS obligations so you can focus on the job site. From verification ....
International Tax
Expand globally with confidence. We help you navigate cross-border tax laws, reduce .....
What Our Clients Say
Trusted by business leaders across industries
“Since partnering with THI, I’ve gained complete peace of mind. They handle everything from VAT to payroll seamlessly. I finally have the time to focus on design again.”
“THI didn’t just manage our books—they helped us restructure our finances and plan for expansion. Their CFO advisory service was a game-changer for us.”
“Their international tax expertise saved us thousands and kept us fully compliant across borders. I trust them completely with my global operations.”
“THI handles our CIS, payroll, and company secretarial work flawlessly. They’ve become an essential part of our business infrastructure.”