Direct answer
GOV.UK / Companies House is the primary authority for the company setup guidance INCORPSYS summarises for UK. Its official pages are listed below; every UK guide links back to them.
Official pages
Sources last checked: 25 September 2026.
Guides built on these sources
- Choosing a Private Limited Company Type in UK
- Directors and Company Secretary in UK
- Shareholders and Ownership in UK
- People With Significant Control (PSC) in UK
- Memorandum and Articles in UK
- Company Name and Trademark Checks in UK
- Registered Office and SIC Code in UK
- Online Company Registration in UK
- Certificate of Incorporation in UK
- Post-Registration Checklist in UK
How to use official sources
Use the cited authority as the final verification point and keep the source page, filing evidence and update date with the case file.
Frequently asked questions
Which authority controls official sources & verification in UK?
GOV.UK / Companies House is the primary authority for the guidance on this page. Other authorities can be involved depending on your activity; re-check the official source before acting.
How we write our guidesWe summarise official guidance and link to it. We do not publish fees, timelines or approval promises unless the authority does. Read our methodology.