# Setup a UK Limited Company: Costs & Director Duties Setting up a UK limited company involves choosing a name, allocating shares, and registering with Companies House. This guide outlines step-by-step incorporation, costs, and director legal responsibilities. **Published:** 2026-07-03 **Updated:** 2026-07-05 **Source:** https://aztajournal.com/gb/set-up-uk-limited-company --- > Setting up a UK limited company requires choosing a unique name, allocating shares, and registering with Companies House. Directors must also understand crucial legal responsibilities, including statutory duties and strict tax filing deadlines, to remain compliant and avoid personal liability under UK law. ## Key Takeaways: Setting Up a UK Limited Company - **Incorporation Options**: Register online via Companies House standard service for £100 (processed within 24 hours) or the same-day service for £156. - **Identity Verification**: All directors and Persons with Significant Control (PSCs) must verify their identity under the Economic Crime and Corporate Transparency Act by November 2025. - **Seven Statutory Duties**: Directors must act within their powers, promote company success, and manage conflicts of interest under the Companies Act 2006. - **HMRC Tax Deadlines**: Register for Corporation Tax within 3 months of trading and register for VAT if taxable turnover exceeds £90,000 in a 12-month period. - **Separate Tax Filings**: Following the closure of the joint filing service on 31 March 2026, companies must file accounts and tax returns separately. ## How to set up a limited company and what are my legal responsibilities? To set up a UK limited company, you must choose an approved name, assign shareholders, and register with Companies House. Your legal responsibilities then involve managing the company in accordance with the law, filing annual accounts, and submitting necessary tax returns on time. The establishment of a limited company is a legally binding process that creates a clear boundary between personal assets and business liabilities. Directors are legally responsible for maintaining accurate company records and ensuring all filings with Companies House and HMRC are completed, even if an accountant handles the paperwork. ## What is a UK Private Limited Company (Ltd)? A UK Private Limited Company (Ltd) is a legally incorporated business structure that exists as a separate legal entity distinct from its owners, shareholders, and directors. It provides limited liability protection, meaning the financial responsibility of shareholders is limited to the nominal value of their shares. Because the company is a separate legal person, it can own assets, sign contracts, and run up liabilities in its own name. This ensures that the personal funds and properties of the directors and shareholders remain protected if the business faces financial insolvency, provided no fraudulent activities have occurred. ## Step-by-Step: How to Incorporate your Company The incorporation process involves several steps to establish your business as a legal entity and prepare it for trade in the UK. ### Verify your identity (Mandatory from November 2025) Identity verification is a compulsory security measure for all company directors and Persons with Significant Control (PSCs) to curb corporate fraud. 1. Access the official Companies House verification service directly or use an Authorised Corporate Service Provider. 2. Submit valid, officially recognised photographic identification, such as a passport, to confirm your identity. 3. Obtain your unique Companies House personal code once your identity is verified. 4. Link this personal code to each of your active or future company director roles to ensure compliance. ### How much does it cost to register with Companies House? Understanding the costs and processing timelines of each registration pathway helps you plan your business launch efficiently. | Registration Method | Application Fee | Processing Time | | --- | --- | --- | | Online (Standard) | £100 | Within 24 hours | | Same-day Online | £156 | Same working day | | Postal Registration | £124 | 8 to 10 working days | ## What are your legal responsibilities as a director? UK company directors have seven statutory duties codified under sections 171 to 177 of the Companies Act 2006 to ensure ethical management. 1. **Act within your powers**: You must follow the company's rules and constitution as outlined in your unique articles of association. 2. **Promote the success of the company**: You must act in good faith to benefit the company's shareholders as a whole group. 3. **Exercise independent judgement**: You cannot allow outsider influence or third-party pressure to control your operational decisions. 4. **Exercise reasonable care, skill and diligence**: You must apply your professional knowledge and general intelligence to all tasks. 5. **Avoid conflicts of interest**: You must avoid situations where your personal interests clash directly with corporate business. 6. **Do not accept benefits from third parties**: You cannot accept any personal gifts or favours designed to influence your decisions. 7. **Declare interest in proposed transactions**: You must disclose if you stand to benefit personally from a commercial transaction. ## Annual filing and tax compliance obligations Corporate directors must submit accurate annual filings to keep the business register up to date and remain compliant with UK tax law. Every company must submit an annual confirmation statement to verify that registered details remain correct. Furthermore, starting on 1 April 2026, the joint HMRC and Companies House filing service is closed, meaning that accounts and tax returns must be sent to each department separately. Additionally, from 1 April 2027, all annual accounts must be filed utilising commercial software-only options. ## What happens if a director fails to meet their obligations? Failing to meet legal responsibilities as a director can result in severe personal financial penalties, official prosecution, or disqualification from managing companies. Even when delegating daily filing duties to a solicitor or accountant, you remain personally liable for late or missing submissions. If the business enters insolvency, you must prioritise creditor protection. Making decisions that worsen the overall position of creditors during insolvency can lead to personal liability for debts. ### Do I need a separate business bank account for my UK limited company? Yes, because a UK limited company is a separate legal person, its finances must be kept entirely separate from your personal money. You must use a business bank account for all company transactions. ### Can one person be both the sole director and sole shareholder? Yes, UK legislation allows a single individual to act as both the sole director and the sole shareholder of a private limited company. ### How does the joint filing service closure affect how I submit my accounts and tax returns? Following the closure of the joint filing service on 31 March 2026, you can no longer submit your accounts and tax returns together. You must submit accounts directly to Companies House and tax returns to HMRC separately. ### Are corporate directors still allowed in the UK? Strict restrictions on corporate directors are being introduced. If your company uses a non-human corporate director, you should seek professional advice to prepare for necessary restructuring. ### When do I need to register for VAT after setting up my company? You must register for VAT if your taxable business turnover goes over £90,000 in any 12-month period, though you may also choose to register voluntarily if your turnover is below this amount.