Investing and expanding within the UK: Subsidiary, branch or another route?

For an overseas business, the UK remains one of the most attractive gateways for growth, investment and access to new customers. But before tax, VAT or compliance come into play, there is a more fundamental question: what should the UK footprint actually look like?

This is the first article in a four-part series on investing and expanding into the UK. Here, we compare the main routes for establishing a UK presence: a subsidiary, a branch or permanent establishment, and lighter-touch alternatives. The right option depends on the planned level of UK activity, acceptable risk, funding arrangements and longer-term growth plans.

Getting this first decision right matters. The chosen structure will affect the business’ tax exposure, liability, governance and funding, as well as how easily it can grow, reorganise or exit in future. Changing the structure later can be costly, so it is important to weigh up the options carefully from the outset.

Option one: Setting up a UK subsidiary

A subsidiary is a new UK company set up underneath the overseas parent, creating a group structure. As a separate legal entity, it can give the business a clear UK presence and make it easier to employ staff, work with customers and suppliers, open bank accounts and enter into contracts locally.

It also provides a degree of separation between the UK business and its overseas parent. However, the subsidiary will have its own accounting, governance and filing responsibilities, and any transactions between the two companies will need to be handled appropriately.

A subsidiary tends to suit businesses planning a sustained, higher-commitment presence in the UK. It will need funding from the parent company through investment, loans or a combination of both.

Option two: Opening a UK branch or permanent establishment

Rather than creating a new legal entity, an overseas company can operate directly in the UK through a branch. A branch is an extension of the overseas company, not a separate entity. Where it has a physical UK presence, it will generally need to register as a UK establishment with Companies House and meet ongoing filing obligations. However, there is no need to incorporate a new company or maintain separate UK share capital.

The key trade-off is that the parent remains directly exposed to the branch’s liabilities. Importantly, a UK taxable presence can also arise without formal registration, for example, where the business has a fixed place of business here, or an agent regularly negotiates or agrees contracts in the UK on its behalf.

A branch suits groups wanting a direct UK presence or testing the market before committing to a subsidiary.

Option three: Alternative ways to enter the UK market

Not every business needs a subsidiary or branch straight away. Depending on the intended level of activity, lighter-touch options include:

• Acquiring an existing UK business: Provides immediate access to customers, employees and local knowledge, but can come with existing risks, making appropriate financial, tax and legal checks essential.
• Joint ventures or partnering: Combines local knowledge and infrastructure with the overseas group’s products or capital, supported by clear agreements around how the partnership will operate.
• Distributor or agency arrangements: Allows a business to sell into the UK without setting up a UK entity, provided the arrangement is genuinely independent and does not unintentionally create a UK taxable presence.
• Representative or liaison presence: Enables a limited presence in the UK without entering into contracts locally, although care is needed to ensure the activity does not create additional UK tax obligations.

Weighing up the right route

There is no universally right answer. The appropriate route depends on five main factors: the expected level of UK activity, the business’ tolerance for risk, its funding arrangements, customer and banking expectations, and the group’s longer-term plans for growth, reorganisation or exit.

It pays to think beyond the initial cost or speed. Converting a branch into a subsidiary, or restructuring after a rushed acquisition, can cost far more than getting the right advice from the outset.

In summary here is a look at the potential strategies:

How Gerald Edelman can help

No two expansion plans are the same. Coordinated advice at an early stage can help identify risks, avoid fragmented decisions and build a stronger platform for growth. We have supported clients from Switzerland, Germany, France and other markets with their UK expansion. Our International Tax, VAT, Accounting and Corporate Finance specialists work together to provide joined-up support at every stage. If you are considering investing in or expanding within the UK, speak to our team about the most appropriate route for your plans.

In part two, we turn to the tax implications of each structure, including UK Corporation Tax, permanent establishment exposure, transfer pricing and withholding tax. Later instalments cover VAT and customs, and the practical steps for implementation.