How Much Does an Accountant Cost for a Small Business in the UK?

If you’ve been wondering how much does it cost to hire an accountant for a small business, you’re not alone. Ask ten small business owners what their accountant costs and you’ll get ten different answers — which is exactly why this question gets Googled so often. Accountant fees in the UK aren’t standardised, and quotes depend on your business structure, turnover, how tidy your records are, and whether you want year-round advice or just someone to file things once a year. Here’s a realistic breakdown of what UK small businesses actually pay.

The detail most people miss: How much does it cost to hire an accountant for a small business is one of those topics where a little clear information saves a lot of confusion. Let’s break it down properly.

How much does it cost to hire an accountant for a small business?

Sole traders with straightforward affairs typically pay £50-£120 per month, or £300-£800 as an annual fee for Self Assessment filing and basic advice. Limited companies pay more: expect £100-£250 per month for bookkeeping plus annual accounts, or £800-£2,000+ per year depending on turnover and complexity. Your accountant, if you have one, should be flagging things like this proactively. (We’ve also covered how do I close a limited company in the uk in detail.)

Year-end accounts alone for a small limited company usually cost £500-£1,500; add payroll, VAT returns and bookkeeping and the monthly package climbs accordingly. This is one of those areas where an hour of proper attention saves weeks of firefighting. You can check the official guidance on HMRC’s record-keeping requirements for businesses for the full details.

The detail most people miss: Many accountants now offer fixed-fee monthly packages — clearer than hourly billing (£75-£200+ per hour) and easier to budget for. Your accountant, if you have one, should be flagging things like this proactively.

What to do step by step

Enough theory — here’s how to handle this in practice. These are the steps I’d actually follow:

• The state of your records massively affects the price. A shoebox of receipts can double your fee; clean records in Xero or FreeAgent keep it at the quoted level. Small effort now, compounding benefit later — that’s the trade on offer.
• Ask what’s included before comparing quotes: tax return, annual accounts, VAT, payroll, Companies House filings and ‘unlimited phone advice’ vary hugely between firms. Most people skip this step, which is exactly why handling it gives you an edge.
• A good accountant should save or make you more than they cost — through legitimate tax allowances, avoiding penalties, and freeing your time for actual revenue-generating work. Small effort now, compounding benefit later — that’s the trade on offer.
• Check credentials: look for chartered (ACA/FCA) or certified (ACCA/FCCA) accountants, and read reviews from businesses similar to yours. Most people skip this step, which is exactly why handling it gives you an edge.

Related reading: our guide to how much working capital does a small shop need pairs well with everything above.

Common mistakes to avoid

A quick word on what not to do — these are the traps I see people fall into most often:

• Ignoring the paperwork until there’s a problem — by then your options are limited and expensive.
• Taking advice from social media instead of official sources — confidently wrong is still wrong.
• Choosing the cheapest option without checking what’s actually included — false economies are everywhere in business.
• Putting it off because it feels complicated — most of these tasks take under an hour once you actually start.

My honest take

In my experience, the cheapest quote is rarely the best value. I’ve seen £40-a-month accountants who never pick up the phone and £120-a-month ones who spotted R&D tax relief worth thousands. Interview two or three, ask what they’d do differently from your current setup, and judge them on proactivity — not just price.

The broader point is worth stating plainly: how much does it cost to hire an accountant for a small business isn’t just admin — it’s one of those unglamorous foundations that separates businesses that last from those that flame out. Spend the time now, do it properly, and you’ll barely think about it again. Neglect it, and it has a habit of becoming urgent at the worst possible moment.

For independent further reading, MoneySavingExpert’s small business money guides is a solid next stop.

Quick answers

What’s the single most important thing to know about how much does it cost to hire an accountant for a small business?
Sole traders with straightforward affairs typically pay £50-£120 per month, or £300-£800 as an annual fee for Self Assessment filing and basic advice. This is one of those areas where an hour of proper attention saves weeks of firefighting.

Where should I start?
Limited companies pay more: expect £100-£250 per month for bookkeeping plus annual accounts, or £800-£2,000+ per year depending on turnover and complexity. Begin there and build from a solid foundation rather than trying to do everything at once.

What’s the biggest mistake people make?
Ignoring the paperwork until there’s a problem — by then your options are limited and expensive. Avoid that trap and you’re already ahead of most people.

Putting it into action

Reading about how much does it cost to hire an accountant for a small business is the easy part — acting on it is what actually moves your business forward. Here’s a simple checklist to go from reading to doing within the next seven days. None of these steps takes more than an hour, and together they cover the essentials properly.

• Block out one focused hour this week to complete the single most important action from the practical steps above — momentum beats perfection every time.
• Gather the relevant documents and information into one folder, digital or physical, so everything is ready when you sit down to do the task.
• Set a calendar reminder to review this area in three months — tax rules, prices and your business situation all change, and a quick review keeps you ahead.

The bottom line

Hiring an accountant for a small UK business typically costs £50-£120 per month for sole traders and £100-£250 for limited companies. Get fixed-fee quotes, check exactly what’s included, keep your records tidy to avoid surcharges, and remember a proactive accountant should pay for themselves. Don’t choose on price alone. And if this raised more questions, our piece on what are the best networking events for startups in london is worth a look next.