Everything you need to establish and run your UK business.

From initial feasibility through to ongoing compliance — we provide specialist support at every stage of your UK expansion.

Start-Up Services

Structured support at every stage of UK market entry.

Start-Up Services

Before You Commit

Before you invest £15k–£30k establishing a UK subsidiary or branch, the first question is simple:

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Forming a UK Entity

There is no “standard” UK structure.

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Visas and Immigration

If you need staff on the ground in the UK, immigration planning must begin early.

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Domiciliation

A UK registered office address is easy to obtain. A credible UK presence requires more thought and effort.

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Licences and Registrations

Certain sectors require specific licences before trading can begin. These are likely to include data protection registration as well as industry-specific certifications, such as registration as an Economic Operator (EORI), with the Construction Industry Scheme (CIS), Hospitality Premise Licences (PL) etc.

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Human Resources

Hiring in the UK brings legal and compliance responsibilities that are often underestimated by overseas employers.

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Ongoing Services

Running your UK business with confidence.

Once your UK business begins trading, you still need reliable management information \u2014 processes need to be strong and ongoing compliance is essential. More than ever, you will need accurate and relevant financial records, strong governance and timely filings.

Ongoing Services

Accounting

Accurate financial reporting is an essential support for informed decision-making.

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Audit and Assurance

UK subsidiaries of overseas companies normally require a statutory audit, even where the UK entity is of a small size.

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Payroll

UK payroll compliance is detailed and closely monitored by HMRC.

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VAT

VAT is one of the highest-risk areas for overseas companies entering the UK market.

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Other Taxes

UK corporation tax compliance is only the foundation.

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For Individuals

Personal and international tax advisory.

Clarity, structure and confidence for internationally connected individuals and overseas businesses operating in the UK.

For Individuals

Personal Tax

We advise internationally connected individuals, founders and overseas business owners on all aspects of UK Personal Tax, ensuring their UK obligations align with their global position.

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Tax Investigations

With global information exchange now standard, HMRC scrutiny of offshore income and assets has increased significantly.

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Tax Planning

Effective tax planning for internationally connected families requires coordination across personal, corporate and cross-border considerations.

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Inheritance Tax

UK Inheritance Tax can apply unexpectedly to internationally connected families, particularly where UK situs assets — including UK property and UK companies — are involved.

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Use of Trusts

Trusts remain an important planning tool for asset protection, succession planning and cross-border wealth structuring. We advise on the establishment, restructuring and ongoing UK tax compliance of trusts, including:

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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
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