Key Takeaways: 

• Most foreign companies set up a Private Limited Company (Ltd), which gives them limited liability protection and allows them to legally operate and hire in the United Kingdom.
  
  
• U.K. business registration usually involves preparing incorporation documents, registering with Companies House, enrolling for corporation tax, and opening a business bank account.
  
  
• After incorporation, companies must maintain compliance by filing annual reports, setting up a U.K. payroll, and following local hiring and tax rules.

The United Kingdom is attractive for global expansion. Before employing staff or generating revenue, companies must first establish a legal presence. For those planning to hire several employees or maintain a long-term operation, opening a legal entity is the usual step. 

This guide explains how to register a business in the U.K., as well as an alternative to opening an entity for businesses with more modest hiring needs.

Why So Many Companies Choose to Expand into the United Kingdom

The United Kingdom is one of the world’s most established business environments and a popular destination for international expansion.

Companies entering the market benefit from:

• A stable legal and regulatory framework
• Access to global capital and financial institutions
• A highly skilled workforce
• A well-developed startup ecosystem

The U.K.’s strong infrastructure and financial sector, centered in London, make it a global hub for business and investment. Key industries, such as financial services, technology, software, pharmaceuticals, manufacturing, and the creative sector drive growth.

Employers gain access to diverse talent in both technical and business fields. Cities like London, Manchester, Birmingham, Cambridge, and Edinburgh each offer skilled professionals and thriving startup communities, giving companies flexibility when building their teams.

Once you’ve evaluated the market’s appeal, the next step is to consider the appropriate legal structure for your business’s U.K. presence.

Choosing the Right Type of Legal Structure in the U.K.

Companies looking to tap into the advantages of hiring British workers must first choose the appropriate legal structure to establish a U.K. entity in order to employ them legally.

Private Limited Company (Ltd)

A Private Limited Company (Ltd) is the top choice for overseas companies creating a U.K. entity due to its flexibility and liability protection. An Ltd is a natural fit for companies planning to hire, generate revenue locally, or establish long-term operations.

Key advantages of this pathway include:

• It’s a separate legal entity from the parent company.
• Shareholders benefit from limited liability protection.
• The Ltd can hire employees and generate revenue in the U.K.
• It provides strong credibility with customers and partners.

Once incorporated, the company exists independently from the parent company and must comply with ongoing filing requirements.

U.K. Branch Office

A branch office allows a foreign company to operate in the U.K. without forming a separate subsidiary. This is sometimes used by companies testing the market or operating short-term projects.

Key points to know include that the branch:

• Is an extension of the foreign parent company
• Must still register with the corporate registry

In addition, the parent company remains fully liable for the branch’s debts and obligations.

Branch offices are often easier to establish than subsidiaries, but carry more risk. A subsidiary shields the parent company, while a branch exposes it to local risks such as lawsuits, losses, or regulatory violations.

Representative Office

Representative offices are typically used during early market exploration.

These offices can perform activities such as:

• Market research
• Business development
• Partner outreach
• Marketing and promotion

However, representative offices can’t engage in trading or revenue-generating business activities, which is why they are usually a temporary option before committing to a full entity setup.

Key Requirements Before Incorporation

Before completing U.K. business registration, companies must meet several legal requirements. 

Company Name Approval

First, a business needs to decide on a company name. Names are reviewed and approved by Companies House during registration. The company name must:

• Be unique and not too similar to existing companies
• Follow official naming rules
• Avoid restricted or sensitive terms without approval

Companies must also ensure their name doesn’t infringe on any existing trademarks.

Registered Office Address

Every company must provide a registered office address in the U.K., and this address must:

• Be a physical address within the U.K. (a P.O. box alone isn’t enough)
• Be located in the jurisdiction where the company is registered
• Be used for official correspondence and appear on the public company register

This address does not need to be where you operate day-to-day. Companies can use a professional service provider or office location if they don’t have their own address.

Directors and Shareholders

To set up a U.K. entity, appoint at least one director and one shareholder. One person or entity can fill both roles.

Directors don’t need to live in the U.K., simplifying setup for international founders.

Persons With Significant Control

To improve corporate transparency and accountability, companies must identify Persons with Significant Control (PSCs). typically those who own or control over 25% of shares or voting rights. This could be the founder or an associate.

PSC information must be filed and kept up to date as part of ongoing compliance.

Share Capital

There’s no strict minimum share capital requirement for a U.K. limited company.

Many companies are formed with just one share issued to the founder or parent.

A Step-By-Step Guide to Opening a Legal Entity in the U.K.

Setting up a U.K. legal entity is a straightforward process. In many cases, companies can complete the process online.

Here’s a simplified overview of the process required to incorporate a U.K. legal entity:

Step 1: Choose Company Structure

Start by selecting the legal structure. Most international companies choose a Private Limited Company (Ltd) because it offers liability protection, operational flexibility, and credibility in the U.K. market.

Step 2: Prepare Incorporation Documents

Next, gather the required paperwork for your registration application.

This typically includes:

• Memorandum of Association
• Articles of association
• Director and shareholder information
• Registered office address
• Share capital details

These documents are important to outline how the company will operate. Many companies use standard templates, especially for articles of association.

Step 3: Register With Companies House

Businesses must submit their incorporation application to Companies House, the U.K.’s corporate registry.

This typically includes:

• Company name
• Registered office address
• Director and shareholder details
• PSC information
• SIC code describing business activity

Most applications are submitted online and processed quickly if complete. Once approved, the company receives a certificate of incorporation as legal proof of its incorporation.

Step 4: Register for Corporation Tax

Newly incorporated businesses must register with His Majesty’s Revenue and Customs (HMRC) for corporation tax. This typically needs to be completed within three months of starting business activities, such as hiring employees or generating revenue.

Step 5: Open a U.K. Business Bank Account

A local account is required for payments, payroll, and day-to-day financial transactions. Banks require proof of business activity and director identity verification.

For international founders, opening a bank account in the U.K. is often the longest step due to identity checks.

Some international founders use fintech alternatives due to faster onboarding.

Ongoing Compliance and Reporting Requirements

Creating a U.K. legal entity is only the first step; companies must maintain ongoing compliance, including the following:

Annual Corporate Filings

U.K. companies must file regularly to remain in good standing with Companies House. These include:

• Annual accounts
• A confirmation statement verifying company details

Filing deadlines are strict. Late submissions incur higher penalties, and persistent failure can result in removal from the register.

Accounting and Financial Reporting

Companies must maintain accurate financial records and prepare formal reports, including:

• Keeping detailed accounting records
• Preparing annual financial statements
• Maintaining documentation of transactions, assets, and liabilities

These records support tax and corporate filing requirements. Due to the complexity, many companies use local accountants for accuracy and compliance.

Tax Compliance

Corporation tax in the U.K. is applied to company profits, not revenue. Companies operating in the U.K. must:

• Register for corporation tax with HMRC within three months of starting business activities
• File annual corporate tax returns
• Pay corporation tax on taxable profits
• Maintain accurate financial and tax records

Companies may also need to register for additional taxes depending on their activities. For example, VAT registration is required once a business exceeds the applicable revenue threshold.

Because tax requirements can vary depending on a company's structure and activities, many businesses work with local accountants to ensure ongoing compliance.

Costs and Timeline to Incorporate in the United Kingdom

Typical Timeline

Setting up a U.K. entity is a relatively fast process, but timelines can vary depending on documentation and banking requirements.

• Company registration: Often completed within 24–48 hours once documents are submitted
• Corporation tax registration: Must be completed within three months of starting business activities and typically takes a few days
• Bank account setup: Can take several days to several weeks, depending on the provider and verification process

In practice, bank account setup is often the longest and most unpredictable step, particularly for international founders.

Typical Costs

Setting up and maintaining a U.K. entity is relatively affordable upfront, but ongoing requirements can add up over time.

Common expenses include:

• Registration fees
• Legal or advisory services
• Accounting and payroll setup
• Ongoing compliance and filing costs

Registration fees are relatively low, but professional services and ongoing compliance can significantly increase total expenses.

If you’re only hiring a few employees locally, the cost can easily outweigh the benefits of establishing an entity.

Common Challenges When Setting Up a U.K. Entity

Some of the most common operational issues business owners might struggle with while entering the U.K. market include:

• Navigating local regulatory requirements
• Opening a business bank account, which can take weeks due to compliance checks
• Understanding U.K. employment laws, which can be complex
• Managing payroll and benefits compliance, which requires understanding the PAYE system and reporting requirements
• Handling ongoing reporting obligations

These complexities often increase the administrative burden of international expansion.

Hiring Employees Through a United Kingdom Entity

Once they’ve successfully established a U.K. legal entity, companies can begin hiring local employees.

However, employers must comply with U.K. labor laws and payroll regulations.

Employment Contracts and Labor Laws

Employers in the U.K. must comply with a range of labor laws that govern how employees are hired, paid, and managed. One of the core requirements is providing a written statement of employment particulars from day one.

Employment agreements must typically outline key terms such as:

• Salary and compensation
• Working hours and conditions
• Notice periods
• Termination terms

In addition to contracts, employers must comply with U.K. labor laws covering minimum wage, working time regulations, anti-discrimination protections, and employee rights. Failing to meet these requirements can lead to legal disputes and financial penalties.

Payroll and Tax Obligations

Employers must run payroll through the Pay As You Earn system, which requires real-time reporting to HMRC each pay cycle.

This includes:

• Deducting income tax from employee wages
• Paying both the employer and employee National Insurance contributions
• Submitting payroll data to HMRC

Accurate and timely payroll reporting is essential to remain compliant with U.K. tax regulations.

Mandatory Benefits and Employer Obligations

Employers must also provide statutory benefits in line with U.K. employment law. These include:

• Paid annual leave
• Statutory sick pay
• Maternity and paternity leave
• Pension contributions through auto-enrollment (including minimum employer contributions)

These benefits are not optional and must be administered in accordance with local regulations. Non-compliance can result in fines, back payments, and other legal consequences.

When Opening an Entity in the United Kingdom Makes Sense

The decision often comes down to scale, timeline, and long-term commitment. 

Establishing a U.K. legal entity can be beneficial if your company:

• Plans long-term U.K. expansion
• Intends to generate local revenue
• Needs a registered presence to sign contracts
• Wants to establish a strong brand presence in the U.K. market

However, opening a local entity may not be the right choice if:

• You plan to hire only one or two employees
• You’re merely testing the market
• You need to hire in the U.K. quickly

In these cases, companies often explore alternative hiring solutions, such as partnering with an Employer of Record.

Hire in the U.K. Without Opening an Entity 

It’s important to know that establishing a local entity in the U.K. isn’t always necessary. For companies with more modest hiring needs, there’s a faster alternative: working with an Employer of Record (EOR).

An EOR allows companies to hire in the U.K. without the time and financial commitment of opening a legal entity. The EOR acts as the employees’ legal employer and handles compliance, payroll, and HR responsibilities on your behalf — removing the need for incorporation, local setup, and ongoing administrative work.

With RemoFirst, companies can:

• Hire employees in the U.K. quickly without setting up a local entity
• Stay compliant with U.K. labor laws, payroll, and tax requirements
• Manage payroll, benefits, and time off in one platform
• Offer competitive benefits, including private health coverage

Instead of navigating complex incorporation processes, RemoFirst makes it easy to start hiring quickly while staying fully compliant with U.K. employment laws.

Schedule a demo to learn how you can hire talent in the United Kingdom and 185+ other countries.