Choosing accounting software can feel like standing in a supermarket aisle, paralysed by thirty near-identical boxes. Every provider promises to save you hours, every review contradicts the last one, and the pricing pages are designed to confuse you. The good news is that most UK small businesses and freelancers need far less than the sales pages suggest. Here's how to work out what you actually need, test it properly, and compare costs honestly before you commit.

Work Out What You Actually Need First

Before you look at a single pricing table, write down three things: how you invoice clients, how you handle VAT, and how your accountant likes to receive information. That list will eliminate half the market immediately.

Ask yourself some blunt questions:

• Are you a sole trader or a limited company? Directors have different filing obligations to sole traders.
• Are you VAT registered? If so, you need Making Tax Digital compatible software for VAT returns.
• Do you employ anyone, or pay yourself through PAYE? Payroll may be included or sold separately.
• How many bank accounts, cards and payment platforms do you juggle?
• Will you need Making Tax Digital for Income Tax, which is being rolled out for sole traders and landlords from April 2026?

A one-person freelance designer with no VAT and twelve invoices a year does not need a system built for a fifty-person agency. Buying the bigger package "just in case" is the single most common way small businesses overspend.

The Features Worth Paying For

Not every feature earns its keep. In our experience working with UK small businesses, these are the ones that genuinely save time:

• Automatic bank feeds — this alone justifies most subscription costs. Manually typing transactions is where mistakes and hours disappear.
• VAT return preparation — MTD-compatible filing straight from the software, including Making Tax Digital submissions to HMRC.
• Invoicing with UK payment options — professional templates, recurring invoices, and the ability to take payment by bank transfer or card.
• Self Assessment or corporation tax reports — anything that produces figures your accountant can use without you emailing spreadsheets.
• Receipt capture via a phone app — a quiet killer feature for anyone who works on the move.
• Accountant access — free or low-cost user seats for your accountant. Ask before you buy.

Be sceptical about anything you'll use twice a year. Inventory management, multi-currency, CIS handling for construction, and stock tracking are all genuinely valuable — in the right business. In the wrong one, they're monthly fees for features you'll never open.

Test the Free Trial Properly

A thirty-day trial wasted on browsing the dashboard tells you nothing. Treat it as a live rehearsal.

Set aside two hours and do these things in order:

• Connect a real bank account and let it pull in a month or two of transactions.
• Categorise those transactions. Was it quick? Did the suggested categories match how you actually work?
• Raise a real invoice, send it to yourself, and check how it looks to a client.
• Run a VAT return or a profit-and-loss report, even as a draft. Is the output understandable?
• Add your accountant as a user and check they can log in.
• Try the mobile app on your phone, not your desktop.

Then ask the question that matters: could I hand this to my accountant in March and feel calm? If the answer is no, the software isn't right, no matter how many awards it has won.

Compare the Real Monthly Cost

The headline price is rarely what you pay. Before committing, check these carefully:

• Per-user charges. Many plans are priced per person. Two staff members can double a cheap plan.
• Invoice limits. Some ladders cap invoices per month rather than features. A busy month can push you up a tier.
• Introductory discounts. The "50% off for six months" offer expires. Budget for the full price from month seven.
• Annual versus monthly billing. Paying annually often saves 15–20%, but locks your money in. Only take it once you're confident.
• Add-ons. Payroll, VAT filing, extra companies, and receipt scanning are sometimes separate purchases.
• VAT itself. Most software is subject to VAT at 20%, so a "£15 per month" plan costs £18 if you can't reclaim it.

Multiply the realistic figure by twelve, then by three. That's your three-year cost, and it's the number worth comparing.

Think About Where You'll Be in Two Years

You don't want to migrate systems in eighteen months, but you also don't want to pay for a cathedral when you're running a market stall. The trick is to choose software that can grow one or two steps with you.

Look for a clear upgrade path: can you add a second company, take on an employee, register for VAT, or add a second director without changing platforms? Check whether your data can be exported in a standard format if you ever leave — CSV and PDF exports matter more than anyone admits until they need them.

A reasonable budget for a straightforward UK sole trader or small limited company is £10–£30 per month excluding VAT. Below that, you're often trading convenience for effort. Above it, make sure you can name exactly which feature you're paying for and why.

Make the Decision and Move On

Pick the tool that passed your trial, fits your budget after any discount ends, and your accountant can work with. Then stop reading reviews. Perfection doesn't exist, and the hour you spend comparing your third-choice option is an hour you could have spent on billable work.

Revisit the decision once a year, ideally in the quiet month after your year-end. If you've outgrown it, you'll know. If you haven't, keep the money in your pocket and get back to running the business.