Do I own my company name by registering it at Companies House?
By SuLe · Updated 8 June 2026
No — registering a company name at Companies House gives you no brand rights at all. It only stops another company registering an identical or nearly identical company name. To actually protect your brand, you need a registered trade mark; without one, your only fallback is passing off, which is much harder to prove.
Key facts
- A Companies House registration gives no trade mark or brand rights.
- It only blocks another company registering an identical or near-identical company name.
- Anyone can still trade under your name, or register it as a trade mark, unless you register it first.
- A registered UK trade mark gives exclusive rights to the name in your classes of goods and services.
- The unregistered fallback, passing off, requires proving goodwill, misrepresentation and damage.
Does registering my company name protect my brand?
No — and this is one of the most common misunderstandings founders have. Registering "Acme Widgets Ltd" at Companies House creates the company; it does not create any rights in the name "Acme" as a brand.
All the registration does on the name front is prevent another company being incorporated with an identical or nearly identical name. It does not stop a competitor selling products under "Acme", using it in marketing, or registering "Acme" as a trade mark.
So a Companies House registration and a trade mark are completely different things doing completely different jobs. Owning the company name is not owning the brand.
How do I actually protect the brand?
Register the name as a trade mark at the UKIPO, in the classes of goods and services you trade in. That gives you exclusive rights to use the name for those classes and a straightforward route to stop others.
Registration is the tool that turns a name into a defensible asset. It puts your claim on a public register, supports takedowns and letters, and is far cheaper to enforce than the alternative.
Without a trade mark, your only protection is passing off — an unregistered right, and a much harder one to rely on. The practical takeaway: if the name matters, register it, don't just incorporate under it. The mechanics of registering a UK trade mark are quick to work through.
What's the difference between the three registrations?
They protect different things. Founders often assume one covers the others; it does not.
| Registration | What it protects | What it does NOT do |
|---|---|---|
| Company name (Companies House) | The company's legal identity | Give any brand / trade mark rights |
| Trade mark (UKIPO) | The brand name/logo in its classes | Register the company or the domain |
| Domain name | The web address | Protect the brand off that domain |
Securing all three for an important name is normal practice. But only the trade mark protects the brand itself — the company registration and the domain are administrative, not proprietary rights over the name. Note too that Companies House applies its own rules on names too similar to existing ones, which is a separate check from trade mark clearance.
What can I do if someone copies the name anyway?
It depends on whether you registered a trade mark. With one, you enforce trade mark infringement — the simpler, cheaper path, backed by takedowns and a solicitor's letter.
Without one, you fall back on passing off, which means proving three things: goodwill in the name, a misrepresentation by the other side that confuses customers, and damage to you. That is a harder, more expensive case, and its uncertainty is precisely why registration is worth the upfront fee.
For a narrow problem — someone registering a company name to trade off yours — the Company Names Tribunal can order them to change it. But that addresses opportunistic company-name registrations, not general brand use, which still needs a trade mark or passing off. If it comes to it, the options against a copycat all work better with a registered mark behind them.
Worked example
Marcus incorporates Northwind Robotics Ltd and assumes the brand is now locked down. Eighteen months later a competitor launches a product line called "Northwind" and even files a UK trade mark for it.
Marcus discovers his company registration gives him almost nothing here — it never stopped anyone using or registering "Northwind" as a brand. Because he never filed a trade mark, his only route is passing off, which means proving goodwill, misrepresentation and damage: slow, uncertain and costly. Had he spent roughly £170 on a UKIPO application (plus about £50 for a second class) at incorporation, checking the live gov.uk fee first, he would have had a clean registered right and a simple enforcement path. The company name was never the protection he thought it was.
Where founders go wrong
Believing the company name is the brand protection.
It gives no trade mark rights — only a UKIPO registration does.Skipping the trade mark to save a small fee.
Passing off costs far more to prove than a registration ever would.Confusing domain, company name and trade mark.
They protect three different things; you often want all three.Assuming the Company Names Tribunal covers brand use.
It only tackles opportunistic company-name registrations.
Related questions
Does registering my company name give me trade mark rights?
No. Registering a company name at Companies House gives no brand or trade mark rights. It only stops another company registering an identical or nearly identical company name. Anyone can still trade under your name or register it as a trade mark unless you register it yourself.
So how do I actually protect my brand?
Register the name as a trade mark at the UKIPO for the classes you trade in. That gives exclusive rights to use the name for those goods and services. Your only other protection is passing off — an unregistered right that is harder and more expensive to prove. [More: How do I trademark my startup name in the UK?]
What is passing off?
Passing off is the unregistered-rights fallback that protects a brand's goodwill. To win, you must prove goodwill in the name, a misrepresentation by the other side, and resulting damage — a harder, costlier case than enforcing a registered trade mark, which is exactly why registration is worth it.
Can I stop someone using a company name similar to mine?
Sometimes. The Company Names Tribunal can order a company to change a name registered opportunistically to trade on yours. But that deals with company-name registrations, not general brand use — for that you need a trade mark or a passing-off claim. [More: Can I use a company name similar to an existing business?]
Assuming your company name protects your brand is a gap that only shows up when a competitor exploits it — by which point registration may be too late. A SuLe solicitor can clear your name and get it registered in the right classes so the brand is genuinely yours. Book a free IP health check call and turn your name into an asset you actually own.
Keep reading: How do I trademark my startup name in the UK? · Should I file a trademark before or after launch? · What can I do if someone copies my product or brand? · Can I use a company name similar to an existing business? · What IP protection does an early-stage startup actually need?
Primary sources: GOV.UK — How to register a trade mark · GOV.UK — How copyright protects your work
