How to Register a Business in the UK: A Simple Guide for Home Startups

Registering a home business might sound like a hassle, but it’s actually quicker and easier than you’d think. From your sofa to Companies House in under a day.

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Published May 1, 2025
Reading time: 6 minutes

Starting a business from home? You’re not alone. A remarkable amount of UK entrepreneurs launch their ventures right from their living rooms.

The path to registering your UK business might seem daunting at first glance. Yet the process is surprisingly straightforward once you understand the basics. 

Just one hour of your time can start your business idea turning into an official entity and within 24 hours, you’ll hold the keys to your registered business, unlocking the foundations to launch your business. 

This guide walks you through the main steps of the registration process. You’ll discover: 

  • The right business structure for your needs
  • Essential registration requirements 
  • Simple steps to get your paperwork sorted

Understanding UK Business Registration Requirements

“Do I really need to register my small home business?” A question often on the minds of new entrepreneurs. Let’s clear up any confusion and get you started on the right path.

Do I need to register my home business?

The simple truth? Yes. Every UK business needs proper registration. Here’s what you need to know:

For sole traders: 

  • Must register with HMRC if income tops £1,000 trading allowance 
  • Simple Self Assessment registration process

For limited companies:

  • Registration required with both Companies House and HMRC  
  • More formal process but offers a different structure to support particular business models
  • To operate your business from your home, you’ll need approval from: 
  • Your mortgage provider or landlord 
  • Local planning office for property changes 
  • Local council (especially important for council housing)

Some businesses need special licenses too – think financial services, childcare, pet shops, and food businesses

Key registration deadlines for new businesses

Missing deadlines can hurt your pocket. Here’s your business registration timeline:

  • HMRC registration: 3-month window after trading starts
  • Corporation Tax registration: 3 months from business start
  • VAT registration: Mandatory at £85,000 turnover in a tax year, optional for smaller businesses 
  • First Companies House accounts: 21 months post-registration  
  • Annual accounts: 9 months after the end of the financial year end .
  • Corporation Tax payment: 9 months + 1 day after accounting period  
  • Company Tax Return: 12 months after your accounting period for Corporation Tax ends
  • Confirmation statement: Yearly, within 14 days of review period 7

Documents you’ll need before starting

Let’s get your paperwork ducks in a row. Here’s what you’ll need:

Limited company essentials: 

  • IN01 incorporation form
  • Memorandum of Association
  • Articles of Association
  • Company name
  • Registered office address
  • SIC code
  • Director and shareholder information 

Sole trader checklist: 

  • National Insurance number 
  • ID and address proof 
  • Business activity details 
  • UTR (once HMRC issues it) 

One more thing – if you’ll handle personal data, don’t forget ICO registration  

These documents are your business’s main forms and each one matters.

Choosing the Right Business Structure for Your Home Startup

Here are your options:

Sole trader: Simplest option for home businesses

The sole trader path offers the quickest route to business ownership. You’re the captain of your ship – making all decisions and keeping all profits after tax. Administration is simpler with a Self Assessment registration with HMRC.

But here’s the catch – your personal assets (yes, including your home) stay linked to your business. While you’ll enjoy complete control over operations, watch your profits carefully, as once you hit £20,000 annually, this structure might need to be reviewed. 

Limited company: Added protection for home entrepreneurs

A limited company separates your business from your personal assets. They have ‘limited liability’ which means the extent of the liability has a pre-defined threshold based on shares and guarantees (if applicable). 

The setup involves more steps: 

  • Companies House registration 
  • Director appointment 
  • Shareholder allocation 
  • Articles of association creation

Yes, there’s more administration, but being registered as a limited company can help with your business credibility. There is also the trigger around profits reaching £20,000 as a sole trader set up, which means considering company registration could offer a number of tax efficiencies and savings. 

Partnership options for home-based collaborations

Going into business with others? Partnerships might be your answer. General partnerships share everything – profits, losses, and responsibilities. To keep relationships smooth, put agreements in writing about key areas such as roles and profit-sharing help prevent future headaches and remember, each partner needs their own Self Assessment registration.

Want extra protection? Limited Liability Partnerships (LLPs) offer partnership perks with limited liability benefits.

Your business structure isn’t set in stone. Many successful entrepreneurs start as sole traders or general partnerships before switching to limited companies or partnerships as their empire grows. Choose what fits now, knowing you can adapt later.

Step-by-Step Registration Process 

The registration path depends on your chosen structure. Here’s your registration roadmap.

Registering as a sole trader with HMRC

Keep things simple by following these steps:

  1. Set up your Government Gateway account (if you don’t have one)
  2. Fill out the Self Assessment registration form
  3. Submit everything online or by post

HMRC sends your Unique Taxpayer Reference (UTR) up to 15 days later. Good news – you can start trading right away.  If your yearly income reaches £1,000 in a tax year, then you must register for Self Assessment. You can register earlier if you want but this is the point it becomes mandatory. Then you must remember to file those Self Assessment returns and pay income tax on profits.

Setting up a limited company online

The limited company journey requires a bit more attention to detail. Your checklist:

  1. Double-check your company name availability
  2. Prepare three personal identifiers (birth town, NI number work well)
  3. Get your memorandum and articles of association ready
  4. Lock in your official address and SIC code 

Companies House charges £50 to register. If you don’t want to do it yourself, you can also engage the services of a third-party who offer this called Formation Agents

Tip: You can also often find providers of business bank accounts offering a registration service with a new business account.. These introductory offers could save you money and kill two birds with one stone and even better, secure some extra benefits such as accounting software and website domain registration. 

Registering your business name

Your business name tells your story so make it count and take your time making sure it’s available to use. 

Before settling on a name, check these three vital sources:

  • Companies House online checker 
  • Google for similar trading names 
  • Trademark registry at IPO

Remember registered, limited companies must add “Limited” or “Ltd” to their official business name.

Essential Post-Registration Tasks

Your business officially exists – fantastic! Now let’s turn those registration documents into a thriving operation. These next steps are the next areas to focus on:

Setting up a business bank account

Money matters need their own space. While sole traders can mix personal and business funds, limited companies are required to keep them separate. The good news? UK banks roll out the red carpet for new businesses: You’ll find many types of business bank accounts, with varying offers to get you to start your business account journey with them. Generally business accounts are structured in a way that charges for various aspects of the service. This will range from monthly charges to fees based on transaction types. This is where only you will know what is the best deal for you based on the type of banking your business will generate. 

Pro tip: Compare as many business account providers as possible, and include the fintech challenger banks, bringing in a new approach and service.  

Registering for VAT (when necessary)

The Value Added Tax (VAT) question boils down to numbers. Whilst you can register for VAT at lower amounts, it becomes mandatory if your VAT taxable turnover hits £90,000.

Your VAT duties include: 

  • Including VAT to your prices 
  • Filing returns every 3 months
  • Managing VAT payments

Insurance requirements for home businesses

Your regular home insurance won’t likely cover business activities. So make sure you have talked to your insurance provider to check your cover for working from home and organise alternative insurance. Other insurance you’ll need to consider are:

  • Professional indemnity
  • Public liability
  • Employers’ liability
  • Equipment coverage 

Record-keeping systems for new businesses

Record-keeping is your business’s memory bank. Businesses must track everything – money in, money out, what you own, what you owe. Keep these records for six years or risk a £3,000 penalty.

Explore digital solutions for your record keeping. There are many innovative digital services to help you keep your records safe. 

The digital age makes business registration simpler than ever. Most entrepreneurs complete their registration within 24 hours, right from their home office. But remember – registration marks your starting line, not your finish.

Your business success rests on three pillars:

  1. Accurate record-keeping
  2. On-time tax payments
  3. Regulatory compliance
Our articles, guides & reviews are provided as general information only. Any expressed view, product or service mentioned within these does not constitute as financial advice or recommendation by us.

Be mindful that information may have changed since publication
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About the author
Deb Cissell
Deb is an experienced compliance and operations specialist with over 20 years in financial services. She has helped financial organisations navigate regulatory requirements, lead innovative projects, and shape customer-focused communication strategies. At Know Your Business, Deb ensures complex financial information is presented clearly, accurately, and accessibly for business owners, and brings her broad knowledge and experience of business and personal finance to her writing.