“Free” has an image problem when it comes to company information. People tend to assume one of two things: either that a free search returns thin, surface-level scraps, or that everything genuinely useful sits behind a paywall waiting to charge them. Both assumptions are wrong, and both lead to the same mistake — paying for information that was free all along, or skipping a check entirely because it seemed like it would cost money or effort that, in fact, it would not.

The truth about a free UK company search is more encouraging and more practical. A great deal of genuinely valuable information is public and free, provided you know which sources to use. And the things that are not free are predictable, which means a few minutes spent on the free sources can answer most questions and tell you precisely when a paid check is actually worth the cost. This is a guide to where to look, what each source reveals, and where the free trail honestly ends.

The primary source: Companies House

The foundation of any free UK company search is Companies House, the UK’s official register of companies. Every limited company must register here and keep filing information by law, and almost all of it is published openly, at no charge, to anyone.

What you will find is more than most people expect. The company’s exact registered name and number. Its current status — active, dormant, dissolved, in liquidation, or proposed for strike-off. Its registered office and incorporation date. Its directors and any company secretary. Its persons with significant control, the individuals who ultimately own or control it. Its full filing history, including accounts and confirmation statements going back years. And, usefully, each director’s other appointments, which turn the register into a way of searching people as well as companies. For the core questions — is this company real, active, accountable, and backed by people whose history holds up — Companies House answers nearly all of them, for nothing.

Free third-party tools that repackage the data

Search online and you will find many free company-search websites that are not Companies House but draw on its data. These can be genuinely convenient, presenting the same public information through a cleaner interface, with easier navigation or extra context layered on top.

It is worth understanding what they are, though. For the most part, these tools repackage the same public Companies House data rather than offering access to anything you could not reach for free at the source. That is fine — convenience has value — but it carries two cautions. First, freshness: a third-party tool is only as current as its last update, and the official register changes constantly, so for anything time-sensitive the source itself is safest. Second, the business model: free tools often fund themselves through advertising or by upselling paid reports, so it pays to notice when “free” information quietly becomes a doorway to a charge. Used with those caveats in mind, they are a handy front end to public data — not a separate, deeper well of it.

Other free official registers worth knowing

Companies House is the centre of a free search, but several other official sources fill in details it does not hold, and each is free.

If a company claims to be VAT-registered, the government’s VAT-number checking service confirms whether that number is valid — a quick way to test a detail that is sometimes invented. If a business operates in financial services, the Financial Conduct Authority’s register, also free, shows whether the firm is genuinely authorised to do what it claims; a firm trading without the authorisation it asserts is a serious warning, and the register also helps confirm you are dealing with the real authorised firm rather than an impersonator using its details. If the business rests on a brand, the Intellectual Property Office’s trademark search, free to use, shows what it actually owns. And if the organisation is a charity, the relevant charity regulator’s register publishes its details and accounts. Each of these closes a gap that Companies House alone leaves open.

Free reality checks beyond the registers

Some of the most useful free checking is not a register lookup at all. It is ordinary scepticism applied to information that is already in the open.

Does the registered office look like a genuine trading address or a flat shared with hundreds of companies — bearing in mind that many legitimate firms use an accountant’s or formation agent’s address? Does the company’s website carry plausible contact details and a footprint consistent with the size it claims? Do independent reviews exist, and do they read like real customers rather than a hurried afterthought? Do the company’s name, branding, and details line up consistently everywhere they appear? None of this costs anything, and together it confirms or quietly punctures the picture the official records have built.

What a free search will not find

An honest guide has to be clear about where the free trail ends, because misunderstanding that boundary is what leads people either to false confidence or to needless worry.

A free search will not give you a formal credit score, the full detail of county court judgments, or payment-behaviour data showing whether a company actually settles its bills on time. These sit with paid commercial services, and for good reason — they are exactly the financial intelligence that requires more than the public record. A free search also runs into the limits of small-company disclosure: smaller UK companies are entitled to file abbreviated accounts that omit turnover, profit, and much else, so “accounts filed” confirms a company is meeting its obligations without revealing its full financial health.

This is not a flaw in free searching so much as a map of when to pay. For most everyday decisions, the free sources answer the questions that matter. When the stakes rise — a major contract, a significant credit line, a critical supplier — the predictable gaps in the free record are precisely where a paid report earns its cost.

What you’ll actually establish for free

Put together, the free sources establish a genuinely solid picture: that a company is real and registered, currently active, accountable through named directors and controllers, meeting its basic legal obligations, backed by people whose track record can be examined, and consistent — or not — with the claims it makes about itself. That is a great deal of confidence for a few minutes and no money, and for a large share of business decisions it is all the verification required.

This realistic, source-by-source way of using the free record is one that the people who work with it every day understand instinctively. Your Company Formations, one of the UK’s established company formation providers, sits close enough to Companies House to know exactly how much the free public sources can tell you — and where their edges lie. Having registered and maintained a large number of UK companies, it has seen how a clean, freely verifiable record becomes a business’s quiet credential, and why knowing the free sources well is usually enough to answer the questions that actually decide whether to trust a company.

Free, if you know where to look

A free UK company search is not a watered-down version of a paid one. It is a different toolkit, drawing on official registers and open information that together answer the foundational questions about almost any UK business — at no cost, in a few minutes, for anyone willing to look. The skill is simply knowing the sources: Companies House at the centre, the official registers around it, and a little ordinary scepticism applied to everything else.

Most of the time, those free sources tell you everything you need, and the question of paying never arises. When they do not, they fail in predictable ways that point clearly to the paid checks worth buying. Either way, the starting point is the same — and it was free the whole time, waiting for the small number of people who knew it was there.