How To Set Up A Company With Companies House In 2025


1. What Is Companies House?

Companies House is the UK government’s official register of companies. It manages the incorporation process and maintains public records of all limited companies and LLPs in the UK.


2. Why Register with Companies House?

Registering your company gives it a legal identity, separating personal and business finances. It also:

  • Offers credibility to clients and suppliers
  • Protects your company name
  • Is a legal requirement for limited companies and LLPs

3. Choose the Right Company Structure

Before registering, decide what type of company you’re forming. The most common choices are:

  • Private company limited by shares (Ltd)
  • Private company limited by guarantee (usually for nonprofits)
  • Limited Liability Partnership (LLP)
  • Public limited company (PLC)

Most small businesses choose Ltd status for liability protection and simplicity.


4. Pick a Unique Company Name

Your name must:

  • Be unique and not already registered
  • End in “Limited” or “Ltd” (for limited companies)
  • Avoid restricted or sensitive words unless approved
  • Not be offensive or misleading

Use the Companies House name availability checker online to confirm your name is free.


5. Prepare the Required Information

To set up a company, you’ll need:

  • Company name
  • Registered office address (must be in the UK)
  • Director(s) details (name, DOB, nationality, service address)
  • Shareholder(s) details
  • Share capital information (how shares are divided)
  • SIC code (to describe your business activity)
  • Memorandum and articles of association (governing documents)

6. Register Your Company Online

  1. Visit the Companies House website
  2. Choose “Register a company online”
  3. Fill out the required details
  4. Pay the £12 registration fee (via debit/credit card or PayPal)
  5. Submit your application

You’ll usually receive confirmation of registration within 24 hours.


7. What Happens After Registration?

Once your application is approved:

  • You’ll receive a Certificate of Incorporation
  • Your company details will be visible on the public register
  • You’ll get your Company Number and can legally trade
  • You must register for corporation tax within 3 months

8. Annual Responsibilities After Setup

  • File annual accounts and confirmation statements
  • Keep company records up to date (directors, addresses, etc.)
  • Maintain accounting records and pay corporation tax
  • Report changes to Companies House as they occur

Frequently Asked Questions

1. Do I need a business bank account after setup?
Yes. It helps keep personal and company finances separate and is often required for receiving payments.

2. Can I register from outside the UK?
Yes, but your company must have a UK-registered office address.

3. What if I make a mistake during registration?
You can contact Companies House to correct details or make changes via your online account.

4. Do I need an accountant to register?
No, but it’s recommended to consult one for tax and compliance matters.

5. Can one person be both director and shareholder?
Yes. Many small businesses are registered this way.

6. What is a SIC code?
A SIC (Standard Industrial Classification) code identifies your company’s main business activity.


Conclusion

Setting up a company with Companies House is a straightforward process when you follow the right steps. By choosing the right structure, preparing accurate information, and meeting all requirements, you can officially launch your UK business with confidence in 2025.


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