A customer refuses to pay. A landlord serves a schedule of dilapidations. An employee resigns on Friday and turns up at a competitor on Monday with the client list. That is the week most small businesses go looking for their first solicitor, which means choosing in a panic, at short notice, at whatever price the crisis will bear.

Pick the firm before the problem

The cheapest legal work a business ever buys is the work done before anything is wrong. An hour on your terms of business decides most payment disputes before they start, because the argument becomes about a document instead of a memory. A lease reviewed before signature is a few hundred pounds of reading; the same lease argued over at exit is litigation. Employment contracts drafted properly when you hire your first staff cost little and remove whole categories of later grief. None of this requires a retainer or a relationship with a grand firm. It requires knowing whose number you will ring, before you need to ring it.

What kind of firm fits

The honest answer for most small businesses is the commercial team of a good high-street or regional practice. What you want is a firm that already acts for businesses your size, so ask them directly what their typical business client looks like. You want a named solicitor who answers email, not a switchboard. You want fixed fees for defined jobs, which are now common for things like contract reviews, standard employment documents and lease work. The big national firms are excellent and built for clients with legal budgets to match; hiring one too early buys you overheads rather than attention.

Testing a firm before you commit

Check the firm on the Solicitors Regulation Authority's public register, which confirms it is regulated and insured. Then interview them the way you would a supplier, because that is what they are. Ask how they charge and get the scope of any first job in writing. Ask how quickly they turn work around and what happens when your matter is urgent. Ask who covers when your named contact is away. A firm that answers these plainly on the phone will usually behave the same way on the file.

Give them a small job first

There is no better test than a real piece of work with low stakes. Sending your terms of business for review is the classic choice: it is a bounded job, it forces the solicitor to learn how your business takes money, and how they handle it shows you their speed, their pricing honesty and how they explain risk. If the experience is good, you have found the number you will ring in the bad week. If it is not, you have learned that for the price of a document review.

This site lists 2,926 solicitors' firms, with practice areas that show which of them act for businesses. Browse commercial firms near you, or outline the job once and compare the quotes that come back. Then send the first small job this month, while nothing is on fire.