Choosing an accountant can feel like another job when you are already busy finding contracts, sending invoices and keeping up with deadlines. For a contractor working through a limited company, the right accountant needs to understand more than basic bookkeeping. The right choice will understand Corporation Tax, dividends, Self Assessment, expenses and, where relevant, IR35.
The Best Accountants for Contractors are those that understand contractor tax, limited company accounting and IR35, while offering clear fees and the level of support you actually need. Some provide low-cost filing packages, while others include bookkeeping, tax planning, IR35 contract reviews and a dedicated accountant.
The price can vary depending on whether you are a sole trader, limited company contractor or working through a personal service company. Published prices change frequently across this market, sometimes more than once a year, so treat every figure in this guide, including our own, as a starting point to confirm directly with the provider rather than a locked-in rate.
In this guide, we compare the 10 best contractor accountants in UK, including what they are suited to, their key features and points worth checking before you sign up.
Quick-answer list
There is no single accountant that will suit every contractor. Your choice may depend on whether you are an IT contractor, freelancer, consultant, working through a limited company, or dealing with inside and outside IR35 contracts. If you are still deciding between operating through a limited company or an umbrella company, that decision should come before you pick an accountant, since it changes which of these providers is even relevant to you.
Here are the 10 options covered in this guide:
- MyIVA: Suitable for contractors looking for flexible accounting and tax filing support with clear fixed-fee services.
- Nixon Williams: Contractor-focused accounting with support around IR35 and limited companies.
- InTouch Accounting: Specialist support aimed at contractors and personal service companies.
- SG Accounting: Contractor accounting with IR35 and tax support.
- Aardvark Accounting: Contractor-focused packages with FreeAgent and IR35 knowledge.
- Gorilla Accounting: Accounting packages aimed at contractors, freelancers and limited companies.
- Crunch: Online accounting and tax services for contractors and freelancers.
- Mazuma: Online accounting support with fixed-price packages.
- Clever Accounts: Contractor packages with dedicated accountant and end-to-end IR35 support.
- Carrington Dean: Accounting services for contractors and limited companies with IR35 support.
The Best Accountants for Contractors should not simply be the cheapest. Look at what is included, what costs extra and whether the accountant understands the type of work you do.
What to Look for in a Contractor Accountant
A contractor accountant can take care of much of the financial admin that comes with working through a limited company. But the level of support differs from one provider to another.
1. Contractor tax experience
Contractors have different tax needs from many other limited companies. Look for an accountant who regularly works with contractors and understands salary, dividends, Corporation Tax, expenses and Self Assessment.
2. IR35 support
IR35 can have a major effect on how a contract is taxed. HMRC says the off-payroll rules apply where someone provides services through an intermediary and would have been an employee if they had provided the services directly. Ask specifically whether a provider’s IR35 support includes a written contract review, or only general guidance, since these are priced and delivered very differently across the market.
3. Clear pricing
A low monthly price can look attractive until you find that bookkeeping, Self Assessment, software or contract reviews cost extra. Check the full package before comparing fees.
4. Accounting software
Good accounting software can make it easier to record income, expenses and invoices. Check whether software such as FreeAgent, Xero or another platform is included in your monthly fee.
5. Real support when you need it
Contractors often need advice when starting a new contract or receiving an IR35 status determination. A named accountant or direct support can be useful if you do not want to deal with a portal alone.
6. FCSA accreditation
The Freelancer and Contractor Services Association (FCSA) accredits providers that meet set standards of compliance and conduct. Several providers in this market, including some compared below, hold or reference this accreditation. It is not essential, but it is one of the more reliable third-party checks available if you want independent evidence of a provider’s standards before signing up.
10 Best Accountants for Contractors in the UK
The Best Accountants for Contractors in 2026 vary in price, service and the type of contractor they are built to support. The options below are not identical, so it is worth checking what each package includes before making a decision.
MyIVA
MyIVA provides accounting and tax services for freelancers and contractors, including support with IR35, expenses and tax filing. Its wider services include Corporation Tax, Self Assessment, bookkeeping and tax planning, which can be useful if you want several accounting tasks handled in one place.
MyIVA also offers fixed-fee services rather than requiring every contractor to take a large monthly package. Self Assessment filing starts from £99 +VAT, and Corporation Tax Return (CT600) filing is currently £199 +VAT, reduced from a standard rate of £325 +VAT. Contractor requirements beyond these can be scoped and quoted individually.
Best for: Contractors looking for flexible tax and accounting support.
Standout feature: Fixed-fee options and support across Corporation Tax, Self Assessment and other accounting needs.
Main limitation: MyIVA is built around fixed-fee filing rather than an all-in-one monthly retainer, so contractors who want one provider to also run payroll and ongoing bookkeeping under a single plan should confirm this is bundled in before signing up.
Nixon Williams
Nixon Williams is a specialist contractor accountant with a long history of working with limited company contractors. Its services include contractor accounting and support around areas such as IR35.
Best for: Limited company contractors who want a specialist contractor accountant.
Standout feature: Strong focus on contractor accounting and IR35.
Main limitation: As one of the longer-established names in this space, Nixon Williams’ packages tend to sit closer to the mid-to-upper end of the market. Request an itemised quote so bookkeeping and personal tax return work are not priced as separate add-ons.
InTouch Accounting
InTouch Accounting focuses heavily on contractors and personal service companies. Its services include accounting, tax support and IR35 guidance, with published material showing a strong focus on helping contractors understand their IR35 position.
Best for: Contractors who want specialist support around IR35.
Standout feature: Contractor-focused IR35 guidance.
Main limitation: Its guidance is oriented toward IR35 status education rather than a written contract review, so contractors who need a formal, documented determination should confirm this is included rather than assumed.
SG Accounting
SG Accounting is another specialist option for contractors, with support covering accounting and IR35. Current contractor accountant comparisons list SG Accounting among providers offering IR35 and off-payroll support.
Best for: Contractors looking for a specialist service with a contractor focus.
Standout feature: IR35 and contractor accounting support.
Main limitation: Bookkeeping and personal Self Assessment filing are commonly priced outside the core package at contractor-specialist firms of this type, so confirm what is included before comparing the headline fee to a fixed-fee alternative.
Aardvark Accounting
Aardvark Accounting works with contractors and small companies and states that its team understands IR35, and includes FreeAgent as standard across its packages.
Best for: Contractors who want FreeAgent and specialist accounting support.
Standout feature: FreeAgent included with its packages.
Main limitation: Some services, including certain Self Assessment work and fee protection cover, can sit outside the core monthly fee. Confirm current pricing directly with Aardvark, since packages in this market are revised regularly.
Gorilla Accounting
Gorilla Accounting provides fixed-fee packages for contractors, freelancers and limited companies. It applies one flat limited company fee regardless of sector or turnover, and its packages include FreeAgent or Xero.
Best for: Contractors looking for a dedicated contractor accounting service.
Standout feature: Choice of FreeAgent or Xero and contractor-focused support.
Main limitation: IR35 advice and status determination are not included as a general service under its standard terms, so contractors should check what specialist support they require.
Crunch
Crunch offers online accounting services aimed at freelancers and contractors, combining accounting software with tax and company support. It can suit contractors who prefer to manage much of their financial information online.
Best for: Contractors who like a digital accounting platform.
Standout feature: Online accounting system combined with accounting services.
Main limitation: Crunch’s in-house software is a strength for day-to-day use, but contractors with more complex IR35 cases should confirm what level of one-to-one advisory support sits behind the platform, rather than assuming software depth equals advisory depth.
Mazuma
Mazuma provides online accounting and tax services for contractors and limited companies. Its approach is aimed at making accounting easier to manage online, with fixed-price packages available for different types of customers.
Best for: Contractors who want straightforward online accounting.
Standout feature: Online service and fixed-price approach.
Main limitation: Mazuma is positioned more broadly across small businesses than as a contractor specialist, so IR35 reviews and bookkeeping depth should be checked against a dedicated contractor accountant if IR35 is a core concern.
Clever Accounts
Clever Accounts offers dedicated contractor accounting with end-to-end IR35 support. Its contractor package includes year-end accounts, Corporation Tax, VAT returns, payroll, FreeAgent and IR35 support in a single monthly fee.
Best for: Contractors who want a full package with IR35 support.
Standout feature: Written IR35 contract reviews and support with inside and outside IR35 arrangements.
Main limitation: The full contractor package costs more than basic filing-only options.
Carrington Dean
Carrington Dean provides accounting services to contractors and limited companies and is listed among providers offering IR35 support. Current contractor accountancy comparisons put its monthly pricing towards the higher end of the market.
Best for: Contractors looking for a larger accounting service.
Standout feature: Contractor accounting and IR35 support.
Main limitation: Its pricing can be higher than some online-only options.
Overall, the Best Accountants for Contractors will depend on how much support you need. A contractor with straightforward outside IR35 work may need a different package from someone moving between several contracts or dealing with an inside IR35 determination.
Comparison Table
The table below gives you a quick way to compare the 10 options. Prices change often enough in this market that we have deliberately left pricing out of this table. Confirm current fees directly with each provider before deciding.
| Accountant | Best for | Key feature | Main limitation |
| MyIVA | Flexible contractor accounting | Fixed-fee tax and accounting options | Not contractor-only |
| Nixon Williams | Limited company contractors | Contractor and IR35 focus | Check current package inclusions |
| InTouch | IR35-focused contractors | Specialist IR35 guidance | Check current pricing |
| SG Accounting | Specialist contractor support | IR35 and contractor accounting | Check package scope |
| Aardvark | Contractors using FreeAgent | FreeAgent included | Some services may cost extra |
| Gorilla | Contractors wanting online accounting | FreeAgent or Xero | Specialist IR35 advice may need checking |
| Crunch | Digital-first contractors | Online accounting platform | Check complex IR35 support |
| Mazuma | Straightforward online accounting | Fixed-price online service | Check IR35 inclusions |
| Clever Accounts | Full contractor support | Written IR35 reviews | Higher cost than basic plans |
| Carrington Dean | Larger accounting service | Contractor and IR35 support | Higher-end pricing |
The table shows why simply searching for the Best Accountants for Contractors is not enough. You need to compare the actual package against your own situation.
How Much Should You Actually Pay?
There is no fixed price for contractor accounting. Specialist contractor packages in this market generally range from around £85 to £180 per month, though this moves regularly as providers reprice, so treat it as a market band rather than a quote.
What sits inside that band varies more than the number itself. Two providers charging within £10 of each other can differ by hundreds of pounds a year once bookkeeping, VAT returns and a written IR35 review are added back in, which is why the “what’s included” column matters more here than the monthly figure.
A cheaper package may cover year-end accounts and basic tax filing but charge separately for IR35 reviews, Self Assessment, bookkeeping or other advice. A higher monthly fee may include these services, which can make the overall cost easier to predict.
Before choosing one of the Best Accountants for Contractors, ask what you will pay over a full year, including VAT and any services you are likely to need.
FAQs: Frequently Asked Questions
How much should a contractor accountant cost?
A specialist contractor accountant can cost roughly £85 to £180 per month, although prices vary by provider and service level. Basic filing packages may cost less, while packages with bookkeeping, IR35 reviews and wider tax support can cost more.
Do I need a contractor-specialist accountant, or will a general one do?
A general accountant can handle contractor accounts, but a specialist may have more experience with IR35, limited company contractors and contractor-specific tax issues. If your contracts are complex or change regularly, specialist knowledge can be useful.
What’s included in a typical contractor accounting package?
A package may include year-end accounts, Corporation Tax, payroll, dividend support, Self Assessment and accounting software. IR35 reviews, bookkeeping and tax planning may or may not be included, so check before signing up.
Can I switch accountants partway through the tax year?
Yes, you can usually change accountants during the tax year. Your new accountant can normally work with your existing records and contact your previous accountant where professional clearance or information is needed.
Is a cheaper, filing-only service enough, or do I need full bookkeeping too?
It depends on how comfortable you are keeping your own records. If your bookkeeping is simple and up to date, a filing-only service may be enough, but regular bookkeeping support can save time if you have lots of transactions or want more help throughout the year.
Do I need an FCSA-accredited accountant?
FCSA accreditation is not a legal requirement, but it is independent evidence that a provider meets set standards of conduct and compliance. If two providers otherwise look comparable, accreditation is a reasonable tie-breaker.
Conclusion
Finding the Best Accountants for Contractors is less about choosing the cheapest monthly fee and more about finding the right level of support. Look at whether the accountant understands contractor tax, limited company accounting, IR35, Self Assessment and the type of contracts you work on.
If you work through your own limited company, IR35 should also be part of the conversation. HMRC applies the off-payroll rules based on the specific engagement, and the responsibility for making the status decision depends on the sector and size of the organisation you work for.
MyIVA supports freelancers and contractors with tax and accounting needs, including IR35, expenses, Corporation Tax and Self Assessment tax return. Its fixed-fee services can also be useful if you want straightforward pricing rather than paying for a large package you do not need.
Looking for an accountant who understands contractor tax? Speak to MyIVA today to discuss your accounting, tax filing and IR35 support needs.
