In short: A strong foundation means getting the basics right early: a clear idea of who you serve and how you make money, a suitable legal structure, separate business finances, the right tax registrations, good records, written agreements and protection for your business and personal details. These steps cost little at the start and save a lot later.
1. Be clear about your offer
Before spending money, write down in a few sentences:
- what you sell
- who your customers are
- why they would choose you
- how you will reach them
- what you will charge, and what it costs you to deliver
Test the idea with real potential customers. A few early sales or firm enquiries tell you more than any spreadsheet.
2. Plan your money
Work out how much you need to start and how long it will take to cover your costs. Include regular costs, such as software, insurance, rent and your own living costs. Keep a simple cash-flow forecast and update it monthly. Many businesses that fail are profitable on paper but run out of cash.
3. Choose the right structure
The main options are:
- Sole trader: simple to set up, but you are personally responsible for business debts.
- Partnership or LLP: for two or more people in business together. An LLP gives members limited liability.
- Limited company: a separate legal entity. Shareholders' liability is generally limited to what they paid for their shares.
A limited company means more admin, such as annual accounts and a confirmation statement, but many founders value the separation between business and personal finances. The best choice depends on your income, risks and plans, so speak to an accountant if you are unsure.
4. Pick a name you can keep
Check that your name is available at Companies House, that the domain name is free, and that it does not copy another business's trade mark. Changing your name later means new branding, a new website and paperwork.
5. Separate your finances
Open a business bank account as soon as you can. For a limited company, the company's money belongs to the company, so it needs its own account. Keeping things separate makes bookkeeping easier and helps you see how the business is really doing. Remember that the Financial Services Compensation Scheme (FSCS) protects eligible deposits up to £120,000 per person or business per banking licence, and that some e-money accounts are not covered.
6. Register for tax on time
Common registrations include:
- Corporation Tax: within 3 months of starting to trade, for a limited company
- Self Assessment: for sole traders and many company directors
- VAT: if your VAT taxable turnover goes over £90,000 in a 12-month period, or you can register voluntarily
- PAYE: before you first pay employees, including yourself as a director if you take a salary through payroll
7. Keep good records from day one
Use accounting software to record income and expenses, keep receipts and send invoices. Good records make tax returns and accounts quicker and cheaper and help you make better decisions. A limited company must file its first accounts within 21 months of incorporation, then within 9 months of each year end.
8. Put agreements in writing
Written terms protect you and your customers. Consider:
- terms and conditions for customers
- contracts with suppliers and freelancers
- a shareholders' agreement if there is more than one owner
- employment contracts or written statements for staff
A shareholders' agreement is especially important – it sets out what happens if a founder leaves, falls out or wants to sell.
9. Protect the business
- Insurance: public liability, professional indemnity and, if you have employees, employers' liability insurance (usually compulsory).
- Intellectual property: consider registering trade marks for your name and logo.
- Data protection: follow UK GDPR if you hold personal data.
- Cyber security: use strong passwords and two-step login.
10. Protect your privacy
Company directors' names and service addresses are public. If you register using your home address, it may appear on the public register and in search results. Using a professional registered office and service address keeps your home address private.
11. Know your deadlines
Put these in your calendar:
- confirmation statement – at least once every 12 months
- annual accounts and Corporation Tax return
- VAT returns, if registered
- Self Assessment – usually 31 January for online returns
12. Get support
Speak to an accountant early, use free resources such as Business Gateway in Scotland, and join a local business network. Asking for help is part of building a good foundation.
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Frequently asked questions
What is the first step in starting a business in the UK?
Be clear about what you sell and who will buy it, then choose a legal structure and register with Companies House or HMRC.
Do I need a separate business bank account?
For a limited company, yes in practice, because the company's money belongs to the company. Sole traders are strongly advised to have one too.
When should I register for Corporation Tax?
A limited company must register for Corporation Tax within 3 months of starting to trade.
Do I need a shareholders' agreement?
It is not a legal requirement, but if there is more than one owner it is strongly recommended. It sets out what happens if someone leaves or wants to sell.