The domain is available. Does that mean the name is free?

No, and it is the weakest of the four signals. A domain being unregistered tells you nobody has bought that exact string. It tells you nothing about whether a company trades under the name, holds a trademark covering it, or has built up rights through use. Plenty of names with a free .com are ones you should not touch, and plenty of good names have a taken domain and a workable alternative.

Can two businesses have the same name?

Often yes. Trademarks are registered against classes of goods and services under the Nice Classification, so the same word can be held by different owners in unrelated sectors. That is why a search has to be read in context: an identical mark in a distant class may be irrelevant, while a similar mark in your own class is the one to worry about.

I searched and found nothing. Am I safe?

You have ruled out the obvious collisions, which is worth doing and is not the same as being safe. Registers only list registered rights, and in many countries rights also arise from use alone, so a trader with no registration can still object. A clear search means nothing found, not nothing there.

When should I stop searching and ask a professional?

Before money becomes hard to unspend — signage, packaging, a product launch, an investment round, or a filing. Also whenever your sector contains a large incumbent with a similar name, because that is the case where being technically fine and being sued are not the same thing. A search costs an afternoon; a rebrand after launch costs considerably more.

How to check a name is actually free to use

Almost everybody starts by typing the name into a domain registrar. That is the cheapest check, the fastest, and the least informative of the four you actually need — and starting there is how people fall in love with a name they cannot keep.

“Free” means four different things

They are independent. Clearing one tells you almost nothing about the others, and it is entirely normal to pass three and fail the one that matters.

Nobody holds a trademark covering it in your sector and your territory — registered, or built up through trading.
No company is registered under it. A separate register with separate rules; a company name is not a trademark and a trademark is not a company name.
The domain is available, in whichever extension you actually need.
The handle is free on the platforms you will use.

The first is the one that can cost you the business. The last two are the ones people check first, because they take ten seconds and give a satisfying green tick.

The order that saves the most wasted effort

1. Search the plain string first. Put the name in quotation marks, add your sector, and look at what comes back. This catches the collisions no register will show you — the established competitor, the well-known product, the unfortunate second meaning, the band with the same name in the town you operate in. It costs a minute and eliminates more candidates than anything else on this list.

2. Search the trademark registers for every territory you will trade in. Most national and regional offices publish a free searchable database. Search the name, then search things that sound like it, because similarity is judged on the whole impression rather than character-by-character.

The part people miss: trademarks are granted against classes of goods and services, under the international Nice Classification. The same word can be registered by different owners in unrelated classes. So a hit is not automatically fatal and a clear search in the wrong class is not reassurance — you have to know which class your own activity falls in before the result means anything.

3. Check the company register in your jurisdiction. This is a different question with a different answer: a name can be free to register as a company and still infringe a trademark, and vice versa. Registering the company does not grant you rights in the name beyond that register.

4. Domains and handles last. Not because they do not matter, but because they are the easiest to work around and the easiest to check. A taken .com is an inconvenience with several solutions. A prior trademark in your class is not.

What a clear search does not prove

This is the part worth internalising, because a clean afternoon of searching produces a confidence that is not entirely earned.

Registers list registered rights only. In many jurisdictions rights also arise from use — a trader who has built a reputation under a name can object without ever having filed anything. Nothing you can search will surface them reliably.

Territory is not global. A register covers its own jurisdiction. Clearing one country says nothing about the next, and “we only sell online” is not a defence, because online means everywhere.

Similar is enough. You are not looking for an exact match. Marks that look or sound alike, in related classes, are where disputes actually happen — and that judgement is not something a search box makes for you.

Nobody can clear you completely. Even a professional search reduces risk rather than removing it. The realistic goal is to eliminate the obvious problems cheaply and know where the residual risk sits.

Check three names, not one

The practical failure is sequencing. People pick a favourite, spend a week convincing themselves, then search — and by then the search is not a check, it is a hope. Every piece of evidence against the name has to fight the effort already invested in it.

Run the searches while you still have a shortlist. Take your top three or four through step one together, and let the search do what it is good at: removing candidates before you are attached to any of them. A name that survives the process is worth more than the one you liked on day one, because you know something about it.

When to stop and ask someone

Nothing here is legal advice, and it is not written by a lawyer. It is the set of checks worth running before you spend money on anyone who is one.

Get proper advice before anything expensive or hard to reverse: signage, packaging, a launch, a funding round, or a filing of your own. Get it sooner if your sector has a large incumbent with a name near yours, because that is the situation where being technically in the right and being able to afford the argument are different things.

Copyright, registering, and near-misses

Is a name protected by copyright?

Generally not — short names are usually too brief to qualify as a work. Protection for names comes through trademark law and, in many countries, through rules against passing off or unfair competition. The band name generator goes into this for the case where it comes up most often.

Should I register a trademark straight away?

It depends on how much the name will be carrying and how contested your sector is. Registration costs money and takes months; it also gives you something concrete to enforce and to point at. The question worth answering first is not can I register this but what happens to me if someone else does.

What if the name is free everywhere but sounds like something else?

Take that seriously. Confusion is the thing trademark law is trying to prevent, so a name that people will mishear as an existing brand carries risk even when every search is clean — and it carries a practical cost too, since you will spend years being mistaken for somebody else.

The tools that produce candidates worth running through this: business names, startup names, band names and team names. If everything on your shortlist sounds interchangeable, that is a different problem — why generated names all sound the same.