Forming a Ltd Company in the United Kingdom
The Private Limited Company (Ltd) is by far the most popular business structure in the United Kingdom, with over 4.5 million active companies registered at Companies House. It provides limited liability protection, tax efficiency and a professional image that helps establish credibility with customers, suppliers and investors alike.
Why choose a Ltd company
A Ltd company creates a separate legal entity from its owners, meaning shareholders are only liable up to the value of their shares. This is a fundamental advantage over operating as a sole trader, where personal assets are at risk. Additionally, Ltd companies benefit from a lower Corporation Tax rate compared to Income Tax rates paid by sole traders. The structure is also attractive for securing investment, as shares can be issued to new investors.
Types of UK company structures
- Private Limited Company (Ltd): The standard choice for most businesses. No minimum share capital requirement – many companies are formed with just £1 in share capital. Shareholders' liability is limited to their shareholding.
- Limited Liability Partnership (LLP): Combines the flexibility of a partnership with limited liability. Popular with professional services firms such as solicitors and accountants.
- Public Limited Company (PLC): Required minimum share capital of £50,000 (at least 25% paid up). Necessary if you wish to offer shares to the public or list on the London Stock Exchange.
- Sole Trader: The simplest structure with no formation requirements beyond HMRC registration. However, there is no separation between personal and business liability.
Formation process step by step
Step 1 – Choose a company name: Your name must be unique and not identical or too similar to existing companies on the Companies House register. It must end with "Limited" or "Ltd" and cannot contain sensitive words without approval.
Step 2 – Registered office address: Every UK company must have a registered office address in England and Wales, Scotland, or Northern Ireland. This address appears on the public register and all official correspondence from Companies House and HMRC is sent here.
Step 3 – Appoint directors and shareholders: You need at least one director (who must be a natural person aged 16 or over) and at least one shareholder. A single person can serve as both director and sole shareholder. There is no requirement for directors or shareholders to be UK residents.
Step 4 – Prepare incorporation documents: The Memorandum of Association (confirming the intention to form a company) and Articles of Association (the rules governing the company) must be prepared. Most companies use the Model Articles provided by Companies House.
Step 5 – Register with Companies House: You can register online, which typically takes 24 hours, or by post, which takes 8-10 working days. The registration fee is £12 for online filing or £40 for paper filing. Upon successful incorporation, you receive a Certificate of Incorporation with your unique company number.
Step 6 – Register for taxes with HMRC: After incorporation, you must register for Corporation Tax within three months. If your taxable turnover exceeds £90,000, you must also register for VAT. PAYE registration is needed if you employ staff.
Costs and timeline
Online formation with Companies House costs just £12 and is typically completed within 24 hours. Professional formation agents (including Zunapro) offer packages from £50-200 that include registered office addresses, compliance reminders and ongoing filing support. The entire process from decision to trading-ready company can be completed in as little as 48 hours.
Zunapro guides international entrepreneurs through every step of UK company formation, from name selection through to bank account opening and tax registration.
