International Tax Planning & UK Tax Services for Foreign Companies

Missing a UK tax filing deadline can lead to automatic penalties and interest imposed by HM Revenue & Customs (HMRC). The consequences vary depending on the type of tax:

• Corporation Tax – Late filing triggers a penalty starting at £100, with additional charges if the delay continues. Interest accrues on unpaid tax.
• VAT – Late returns may incur a penalty based on turnover, along with interest on late payments.
• PAYE/NIC – Late payroll submissions can result in fines and enforcement action.

Repeated or deliberate non-compliance can escalate penalties, including surcharges or legal action. To avoid risks, companies should file on time or request extensions where allowed.

A permanent establishment (PE) is a fixed place of business in the UK through which a foreign company conducts all or part of its business. HM Revenue & Customs (HMRC) uses PE rules to determine if a foreign company is liable for UK Corporation Tax on profits attributable to UK activities.

A PE can include:

• A UK branch, office, or factory
• A place where goods are stored or sold regularly
• A dependent agent with authority to conclude contracts in the UK

Simply having employees temporarily working in the UK does not automatically create a PE, but long-term operations or contract negotiations may trigger one. Correctly identifying a PE is crucial for compliance, tax reporting, and avoiding penalties.

UK businesses may be liable for several types of taxes, depending on their structure, size, and activities. The main taxes include:

• Corporation Tax – Paid on company profits; administered by HM Revenue & Customs (HMRC).
• Value Added Tax (VAT) – Charged on sales of goods and services once turnover exceeds £90,000 in 12 months.
• Pay As You Earn (PAYE) and National Insurance Contributions (NICs) – Paid by employers on employee salaries.
• Business Rates – Charged on property used for business purposes.
• Stamp Duty Land Tax (SDLT) – Applicable on UK property transactions.
• Customs Duties and Import VAT – For businesses importing goods into the UK.
• Construction Industry Scheme (CIS) deductions – For contractors in the construction sector.

Other taxes may apply for specific sectors, employee benefits, or cross-border transactions. Foreign-owned UK entities should also consider transfer pricing rules, global mobility taxes, and reporting obligations to remain fully compliant.

A foreign-owned company must register for VAT in the UK when it meets certain registration triggers set by HM Revenue & Customs (HMRC).

Key registration points include:

• Taxable turnover exceeds £90,000 in a 12-month rolling period.
• You import goods into the UK or make sales of goods stored in the UK.
• You provide certain services to UK customers, including digital services under UK VAT rules.
• You expect to exceed the threshold in the next 30 days, even if your current turnover is below £90,000.

Voluntary registration is also possible for foreign businesses looking to reclaim input VAT or improve credibility with UK customers. Compliance with VAT registration deadlines is crucial, as penalties may apply for late registration or non-compliance.

Yes, foreign-owned companies with a UK presence may need to register for and pay VAT in the UK. VAT is administered by HM Revenue & Customs (HMRC) and applies to taxable supplies of goods and services.

You must register for VAT if:

• Your UK taxable turnover exceeds £90,000 in a 12-month rolling period.
• You import goods into the UK or sell goods to UK customers.
• You make certain EU or international B2C sales under UK VAT rules.

Even if your turnover is below the threshold, voluntary registration is possible. VAT registration allows you to reclaim input VAT on UK business expenses. Foreign companies should also consider cross-border VAT obligations, such as reverse charge rules and distance selling regulations, depending on their trading structure.

Enterprise Investment Scheme (EIS) and Seed Enterprise Investment Scheme (SEIS) are UK tax incentive schemes designed to attract investment into qualifying companies.

To qualify, companies must meet conditions relating to:

• Trade type

• Size and age

• Employee numbers

• Investment limits

Advance Assurance can provide early confirmation of eligibility.

Yes. Many staff benefits are taxable and must be reported to HMRC.

Common taxable benefits include:

• Company cars

• Private medical insurance

• Accommodation

• Certain expense reimbursements

Employers must report benefits through P11D forms or payroll.

Global Mobility refers to the tax and payroll obligations that arise when employees work across borders.

This can include:

• PAYE obligations

• Short term business visitors

• Double tax treaty application

• Social security coordination

• Employer reporting requirements

Overseas groups employing staff in the UK must assess their exposure early.

Yes, in many cases.

UK transfer pricing rules apply to transactions between connected parties, including overseas parent companies.

You may need documentation if you have:

• Intercompany loans

• Management charges

• Intra-group services

• Cross-border goods transactions

Penalties can apply for inadequate documentation.

VAT is a consumption tax applied to goods and services supplied in the UK.

Customs duties apply to goods imported into the UK and are based on:

• Commodity codes

• Country of origin

• Trade agreements

Import VAT and customs duty are separate obligations.

A business must register for VAT when its taxable turnover exceeds £90,000 in a rolling 12 month period.

You may also need to register if you:

• Expect to exceed the threshold in the next 30 days

• Import goods into the UK

• Trade internationally and trigger UK VAT rules

Voluntary registration is also possible.

Corporation Tax is usually payable 9 months and 1 day after the end of your accounting period.

Your Company Tax Return must be filed within 12 months of the accounting period end.

Large companies may have to pay in quarterly instalments.

Yes. An overseas company pays UK Corporation Tax if it:

• Has a UK subsidiary

• Operates through a UK branch

• Generates UK trading profits

Corporation Tax applies to taxable profits arising in the UK. The structure of your UK presence affects how profits are taxed and reported.

Most UK limited companies must manage:

• Corporation Tax

• VAT (if registered or required to register)

• Payroll taxes including PAYE and National Insurance

• Employer reporting such as P11Ds

• Industry specific taxes such as CIS or Stamp Duty

Overseas owned companies may also need support with Transfer Pricing, Global Mobility and cross-border tax structuring.