Payroll is the part of running a business that punishes delay. Miss a submission deadline to HMRC, and you’re looking at penalties, not just an annoyed employee waiting on a payslip. For a lot of small business owners, handing this over to an accountant isn’t about saving time; it’s about not getting it wrong.
The firms below all sit somewhere in the UK tax and accountancy space, though they vary a lot in size, focus and who they’re built for. Some are national names with hundreds of staff. Others are small, specialised operations. Here’s what each one actually offers.
Best for Local, Fixed-Fee Payroll Support – Tax Driven Accountants
Tax Driven Accountants has been trading since 2010 and now runs more than 40 offices across the UK, offering accountancy and tax services built around small businesses, sole traders, partnerships, landlords, limited companies and CIS contractors. Payroll and HR support sits alongside its other services, so a client already using it for self-assessment or company accounts can add payroll without bringing in a second provider.
Fees are agreed with the client in advance rather than estimated after the fact, which matters when you’re trying to budget a wage bill months ahead. The firm says it typically saves clients at least 3-4 times its own fees in tax, by working within UK tax law to bring liabilities down to the lowest level allowed.
With offices spread across the country, clients can deal with a local team face to face or manage everything online, whichever suits how they work. Every client also gets tax investigation insurance as standard, covering the cost of professional representation if HMRC opens an enquiry. For a business owner who wants payroll handled by someone who also knows their wider tax position, that combination is hard to ignore.
Best for Proactive Support Alongside Legal Advice – Accounts and Legal
Accounts and Legal pitches itself as an accountant for ambitious businesses, pairing accounting work with legal advisory support under one roof. The idea is that a growing SME gets financial and legal help from the same place, rather than juggling two separate advisers who don’t talk to each other.
That combined approach suits a business that expects to need contracts reviewed, disputes handled, or structuring advice alongside its books, not just someone to run the numbers. The trade-off is that a business only after straightforward payroll processing, with no legal complexity attached, may find a narrower specialist payroll service simpler to work with.
Best for Scale and National Reach – Grant Thornton UK
Grant Thornton UK has a substantial domestic network, employing more than 5,000 people across 23 offices and working with over 200 partners. Its wider international network extends to more than 150 markets, allowing the firm to deliver audit, tax and advisory services through a combination of international resources and knowledge of local business conditions.
That size is the whole story here. A business with international dealings or complex group structures gets access to specialists most small firms simply don’t carry in-house. The flip side is that this scale is built for exactly that kind of client, and a sole trader or small limited company wanting straightforward payroll help may find themselves a small account inside a very large firm.
Best for Simple Monthly Fixed Fees – More Than Accountants
More Than Accountants targets businesses and freelancers with online accounting software paired with advice from chartered certified accountants, and it publishes a fixed fee starting from £15 per month. That number alone makes it easy to compare against other options before you commit to anything.
The service is built around simplicity, software plus human advice, aimed at people who want their books handled without a lot of back and forth. It’s a good shout for a freelancer or small operation that wants digital-first accounting at a known monthly cost, though businesses with more layered payroll or HR needs may want a firm built more specifically around those services.
Best for Broad Tax and Business Consulting – TaxAce
TaxAce covers tax, accounting, and business consulting as its core category.
It’s a reasonable option to look into for a business wanting a generalist advisory relationship rather than a narrowly defined payroll bureau.
Best for Independent Tax and Valuation Advice – Andersen LLP

Andersen LLP positions itself as an independent tax, valuation and financial advisory firm, working with individuals, families, businesses and funds. Valuation work in particular sets it apart from firms that stick purely to compliance and bookkeeping.
That’s a useful fit for a business facing a sale, restructuring, or a dispute that needs a formal valuation attached to it, situations a standard payroll-focused accountant typically wouldn’t handle directly.
What Payroll and HR Support Actually Covers
Payroll sounds simple from the outside: run the numbers, pay the staff, but the compliance side is where most small businesses get caught out. An accountant handling payroll is typically managing PAYE submissions to HMRC, calculating tax and National Insurance deductions, processing statutory payments like sick pay and maternity pay, and keeping pension auto-enrolment obligations up to date. Get any of these wrong and the liability sits with the employer, not the accountant, unless that’s been explicitly agreed otherwise.
HR support, where it’s offered alongside payroll, tends to cover the practical side of employing people such as contracts, onboarding paperwork and basic employment law questions, rather than full HR consultancy. If you’re weighing up whether to bring this in-house or outsource it, the deciding factor is usually headcount. A business with one or two employees can often manage with software and occasional advice. Once you’re hiring regularly, the admin load and the cost of a mistake both grow quickly, and that’s usually the point where outsourcing starts paying for itself.
If you’re newer to running a business and want a broader sense of what a career or role in accountancy actually involves, this profile of a working accountant’s career path is a useful read for understanding what’s actually involved behind the scenes. For the payroll calculations themselves, HMRC’s guidance on running payroll is the definitive source on deadlines and what’s legally required.
Matching the Firm to the Size of Your Payroll
The right choice here depends mostly on how complex your payroll actually is and how much you want bundled in alongside it. A business dealing with international structures or needing formal valuation work genuinely benefits from a firm like Grant Thornton UK or Andersen LLP’s scale and specialism. A freelancer wanting the lowest possible monthly cost and a digital-only relationship might lean toward More Than Accountants. A business expecting legal questions to come up alongside its accounts has good reason to look at Accounts and Legal.
For a small business, landlord or contractor that wants payroll handled by a firm that also takes tax planning seriously, Tax Driven Accountants is a strong choice for those who value professional accounting support alongside the convenience of face-to-face consultations at a nearby office. The combination of fixed fees agreed upfront, tax investigation insurance included as standard, and a stated focus on bringing tax down within the law gives it an edge for anyone who wants payroll and tax handled by the same local team rather than split across providers.
