Set up and run your UKbusiness with confidence

We are UK Chartered Accountants specialising in UK company formation, tax, payroll, audit and compliance — for overseas businesses that want to set up in the UK.

If you’ve landed here, you’re probably an overseas business owner considering expanding in the UK.

If you’re considering expanding into the UK, you’re probably asking three key questions: Is it worth it? How do I do it? And what will it cost? We help you answer them with clear, practical advice, giving you the confidence to move forward — and the expertise to build and run your UK operation successfully.

Here’s what makes us different

Since 2009, our focus has been to help overseas companies establish and grow in the UK. We’ve seen what works — and what doesn’t. This experience means we understand not just the theory, but the practical realities of setting up in the UK.

We’re Chartered Accountants and Business Advisers

We’re Chartered Accountants and Business Advisers on a mission — to make it easy for overseas companies like yours to do business in the UK as if you were at home.

Talk to a UK Expansion Specialist

Get clear answers on costs, structure and the practical realities of doing business in the UK.

Get in touch

Technical Expertise, Quality and Customer Service

Britannia Advisory offers a comprehensive suite of UK business and tax services, from company formation and market entry support to ongoing compliance, accounting, and specialist advice for internationally connected individuals and businesses.

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We are a full service accountancy company. My role is to ensure that services are delivered with rigour and quality.
Ting Zhang Ting Zhang Director, FCCA, CTA, STEP

Getting started is straightforward

Book a Free Consultation
Step 1

Free Consultation

Tell us about your business and what you’re trying to achieve. We’ll ask the right questions and give you an honest view.

Step 2

Feasibility & Structure

We assess the commercial case and recommend the right UK structure for your situation — entity type, tax position, governance, and staffing.

Step 3

Setup & Registration

We handle entity formation, tax registrations, banking guidance, payroll setup, and everything needed to get you operational.

Step 4

Ongoing Support

Monthly accounting, payroll, VAT, audit, and compliance — we run your UK finance function so you can focus on building the business.

Straight answers on cost and timeline, before you ask

Find out more in our Expansion Service
Setup Cost From£5,000

To establish a UK limited company, including entity formation, tax, VAT and payroll registrations and director contracts.

Ongoing Cost From£1,000/month

To run a UK limited company, including bookkeeping, accounting, payroll, VAT returns and ongoing compliance.

Time to Operational2-3 months

Company formation is fast. Banking and VAT registration are the typical bottlenecks. We set realistic expectations from the start.

Every situation is different — these are indicative figures. Book a free call for a view tailored to your business.

AccountsCo, now trading as Britannia Advisory, has supported our company for more than ten years, from the incorporation of Hyphen-UK Ltd through every stage of the company’s growth and operations. What initially impressed us was their strong expertise in international tax, UK VAT matters, and the UK / Italian tax treaty. Over the years, Simon and his team have consistently provided reliable, punctual, and highly professional support across all accounting and business matters related to our UK company. They have always been available whenever issues or questions arose, offering practical advice and dependable assistance with great attention to detail. I would strongly recommend Britannia Advisory to any international business looking for a trustworthy UK accounting and tax partner. Alessio Saraceno Hyphen-UK Ltd / Hyphen-Group s.r.l. (Italy)

Alessio Saraceno2 months ago

Not ready to talk yet?Start with our guide

The UK Expansion Guide covers everything an overseas business needs to know — from testing the commercial case to understanding ongoing costs.

Read the full UK Expansion Guide
Ready to talk?

Start with a free 30-minute consultation

No jargon, no pressure — just clear answers to your questions about UK expansion.

Book Your Free Consultation
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