Start-up Services
UK Start-up Services for Overseas Companies
Expanding into the UK is not straightforward. At Britannia Advisory, we specialise in UK expansion services for overseas companies — since 2009 we have helped overseas businesses establish, operate and grow successfully.
Before You Commit
Before you invest £15k–£30k establishing a UK subsidiary or branch, the first question is simple:
Does expanding into the UK genuinely make commercial sense for your business?
Too many overseas companies commit capital before properly testing demand, pricing and regulatory feasibility. Six months later they discover that the market is more competitive than expected, margins are tighter, or operational barriers slow growth.
Early clarity prevents wasted time, capital and management distraction.
If you need it, we can help you assess:
- Whether there is genuine UK demand for your product or service
- Whether your pricing model is competitive in the UK market
- Whether customers expect to contract with a UK entity
- Whether regulatory or sector-specific approvals are required
Where detailed market research or sector analysis is required, we work with specialist research partners. We remain your strategic adviser, but technical market validation is conducted by professionals focused solely on UK market intelligence.
If the commercial case is weak, no amount of structuring or UK company formation will fix it. We would rather advise you to delay than proceed unprepared.
Forming a UK Entity
There is no “standard” UK structure.
The correct setup depends on your activity, risk profile, group structure and long-term objectives. A poorly designed structure can create permanent establishment exposure, unnecessary liability and costly restructuring later.
The wrong decision can:
- Undermine credibility with UK customers
- Trigger double taxation
- Expose the parent company to UK legal risk
- Restrict banking and hiring
- Cost £10k–£25k to unwind
We advise on:
- Whether to establish a UK limited company, branch or operate without a formal UK presence
- Governance and director responsibilities under UK law
- The tax and liability implications of each option
- Realistic operational timelines
While company incorporation can be completed within 24–48 hours, becoming fully operational — including visa, banking and VAT registration — typically takes 2-4 months, sometimes longer depending on complexity.
We recommend structures based on commercial reality, not theoretical “best practice.”
Visas and Immigration
If you need staff on the ground in the UK, immigration planning must begin early.
UK immigration advice is a reserved legal activity. This means only solicitors, barristers or advisers regulated by the Office of the Immigration Services Commissioner (OISC) are legally permitted to provide immigration advice.
As Chartered Accountants, we do not provide regulated immigration advice directly. Instead, we work closely with specialist immigration lawyers and licensed advisers. They provide the regulated visa advice. We ensure that your corporate structure, payroll setup and governance framework support that immigration strategy.
In practice:
- Sponsor licence applications typically take 2–3 months
- Visa applications often require a further month
- Banking or PAYE delays can extend timelines
Our role in the process is to make introductions, frame questions, coordinate activities, help you assess the commercial and tax implications and ensure that you get value for money. Your immigration adviser provides you with expert advice and manages the application process.
Domiciliation
A UK registered office address is easy to obtain. A credible UK presence requires more thought and effort.
Banks, HMRC, insurance companies and regulators all require substance. A simple mailbox arrangement is not sufficient and is likely to cause you problems down the line.
We provide registered office services where appropriate.
During the start-up phase, we can also assist in identifying a part-time UK-based director to support:
- Sponsor licence applications
- UK bank account opening
- Insurance arrangements
- Initial recruitment
More importantly, we advise on what level of UK presence is commercially proportionate and defensible from a UK tax perspective.
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.
We can help you identify regulatory requirements early and coordinate with specialist advisers where needed. Securing the correct permissions protects your launch timeline and reduces director exposure.
In addition, correct tax registrations are critical.
We manage:
- Corporation Tax registration
- VAT registration
- EORI registration
- PAYE setup (required before paying staff or directors)
- Industry-specific tax registrations
Registering too late can result in penalties and interest. Registering too early can create unnecessary compliance burdens.
We ensure registrations are sequenced correctly and aligned with your commercial launch.
Human Resources
Hiring in the UK brings legal and compliance responsibilities that are often underestimated by overseas employers.
UK employment law covers areas such as minimum wage, statutory leave, pension auto-enrolment, dismissal protection and employment documentation.
We advise on:
- Hiring locally versus seconding overseas staff
- Director remuneration structures
- PAYE and payroll setup
- Pension obligations
- Practical HR compliance expectations
Where recruitment advice or assistance with search and selection is required we co-ordinate with specialist companies.
Where specialist employment law advice is required, we coordinate with employment solicitors. Our role is to ensure that payroll, tax and corporate governance align with your HR structure.
Well-structured HR processes support sponsor licence compliance, reduce employment disputes and strengthen commercial credibility.