Formation
How to Register a Limited Company in the UK
Learn how to register a limited company in the UK, including company names, directors, shareholders, SIC codes, registered addresses and Companies House fees.
How to incorporate, run and stay compliant, written for founders who'd rather be building.
Learn how to register a limited company in the UK, including company names, directors, shareholders, SIC codes, registered addresses and Companies House fees.
Everything you need to start a business in the UK, in the right order, with up-to-date 2026 costs.
Find the right Companies House SIC code for a construction company, with examples for builders, electricians, plumbers, roofers and subcontractors.
Learn how to start a UK cleaning business, price your first jobs, choose between sole trader and limited company, and prepare for your first client.
Can a company have multiple SIC codes? Learn when to use more than one, how to cover different business activities and how to update your codes.
Find out how to get, recover or change your Companies House authentication code, keep it safe and understand how it differs from your personal code.
Learn how to choose and update your company’s SIC codes, use the free FOUNDRS SIC Code Finder and make changes through a confirmation statement.
Learn which statutory registers your limited company must keep, what changed in 2025 and 2026, and how to maintain shareholder and decision records.
It costs £100 to register a limited company online with Companies House. See the other costs you may need to budget for when starting a UK company.
New FOUNDRS research explores how UK solo founders are using AI, what still makes running a business difficult, and where support needs to improve.
Your registered company name and your trading name don't have to be the same. Here's how trading names work, the rules to follow, and what you must disclose.
AI tools have changed what one person can build alone. We look at how solo UK founders are using AI to run businesses that once required a team.
Choosing a company name? Some words are restricted or banned. Here's what you can't use, why, and how to check before you register.
Learn how to choose a company name in the UK, shortlist business name ideas and check Companies House, trade marks, domains and social handles.
Not sure which business structure to choose? We compare sole trader, private limited company, and PLC, so you can pick the right one from day one.
Thinking about bringing on a co-founder? Learn how to structure the relationship, split equity fairly, and protect yourself with the right legal agreements.
Thinking about starting a business in 2026? Here's what the data says, what's changed, and how to know if now is the right time for you
The most common mistakes UK founders make when starting and running a limited company, and the straightforward ways to avoid each one.
The real picture of who's starting businesses in the UK in 2026: industries, structures, and the trends shaping new company registrations.
Quick details first, then your AI co-founder takes over.
£100 Companies House fee · no Foundrs formation fee