How to Register a Tech Startup in the UK

The UK has firmly established itself as a global hub for technology startups, with thriving ecosystems in London, Manchester, Cambridge, Edinburgh, and beyond. From fintech disruptors and healthtech pioneers to AI, SaaS, and green-tech ventures, the UK provides fertile ground for innovation.

But before you can attract investment, secure intellectual property (IP), or start scaling, you’ll need to formally register your business. This post will walk you through the entire process of tech startup registration in the UK, covering everything from choosing the right business structure to meeting tax obligations and leveraging government support.

Why the UK is a Great Place to Start a Tech Business

1. World-leading Tech Ecosystem – The UK ranks consistently among the top three countries for startup innovation.
2. Investment Opportunities – Venture capital, angel investors, and crowdfunding platforms thrive here. London alone accounts for over 40% of European VC funding.
3. Government Support – Schemes like SEIS/EIS tax reliefs and Innovate UK grants make raising capital easier.
4. Skilled Workforce – Access to world-class universities, research hubs, and a diverse tech talent pool.
5. Global Market Access – A strategic time zone and trading hub, linking the US, Europe, and Asia.

Step 1: Choose the Right Business Structure

When registering a tech startup, the legal structure matters for liability, tax, and investor confidence.

• Sole Trader
  • Quick and low-cost to set up.
  • Not ideal for startups seeking investment, as liability is unlimited.
• Partnership
  • Suited to co-founders who share profits and responsibilities.
  • Again, liability is shared and personal.
• Private Limited Company (Ltd) – Most common for tech startups
  • Offers limited liability protection.
  • More attractive to investors and venture capitalists.
  • Can issue shares and equity.
  • Easier to structure exit strategies (e.g., acquisitions, IPO).
• Limited Liability Partnership (LLP)
  • Sometimes used by startups with professional service elements.
  • Less common in high-growth tech.

Recommendation: Register as a Private Limited Company (Ltd) with Companies House for credibility, liability protection, and investor readiness.

Step 2: Register with Companies House

Every tech startup registering as a Ltd must submit key details to Companies House.

Information Required:

• Company name (must be unique, not “too like” another).
• Registered office address (UK address required).
• Directors (minimum one).
• Shareholders and share capital.
• SIC code – essential for tech startups (e.g., software development 62012, IT consultancy 62020).

Tip: Use a professional registered office service to protect your privacy.

Cost & Method:

• Online filing: £50 (usually completed within 24 hours).
• Paper filing: £71 (8-10 days).

Start here: Companies House – Register a Company or with Formations Wise – a companies house verified registration agent.

Step 3: Register for Taxes

Once registered with Companies House, HMRC will expect your business to comply with tax requirements.

• Corporation Tax – Must register within 3 months of starting trading.
• PAYE – If employing staff, you’ll need to register as an employer.
• VAT Registration – Optional unless turnover exceeds £90,000 (2025 threshold). Many tech startups register early to appear more credible and reclaim VAT on expenses.

See our full service: VAT Registration for New Businesses

Step 4: Protect Your Intellectual Property (IP)

For tech startups, IP is often the most valuable asset. Investors will want to see it protected.

• Trademarks – Protect your brand name, logo, and product names.
• Patents – Register innovative inventions, hardware, or unique processes.
• Copyright – Applies automatically to software code, designs, and written content.
• NDAs – Use when discussing your idea with third parties.

UK IP Office: Apply for Intellectual Property Rights