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About us

Since 1995, we’ve been providing A1 accountancy services to our clients, steered by our watertight values and principles.



With three comprehensive packages and a number of add-ons, we can equip you with everything you need to help you ride the waves of contracting.



Whatever you’re searching for, our scope of industry knowledge and resources can help.

Need a Contractor Accountant?

FREE limited company formation when you sign up
Over 20 years’ experience in supporting contractors and freelancers
Your own dedicated accountant at the end of the phone
Trusted and fully qualified accountants
Online accountancy pioneers

Call an accountancy expert today
01253 362062


MON-THU (8AM TO 8PM) | FR (8AM TO 7PM) | SAT (10AM TO 4PM)


From time to time we would like to contact you with news and updates about our services. Please review our privacy policy to see how we use your data.

Who are Nixon Williams?

We’re accountants who’ve, for the past 23 years, specialised in contractor accountancy services. We offer the most comprehensive accountancy packages for a simple fixed fee. We pride ourselves on being your partner and will support you every step fo the way. Giving you the best advice for you and your business.

Why choose us?

With over 20 years of experience in supporting Contractors and Freelancers, we understand that contracting can be quite overwhelming especially when it comes to managing your finances. In order to stay on top of your accounts, you’ll require a reliable and expert accountancy firm with a personalised approach to your accounts.

Everything we do for our clients has one purpose – to make your business life simple and rewarding.

By choosing Nixon Williams as your accounting partner, you can expect:

  • Expert support from a dedicated accountant within 24 hours of joining us.
  • Free formation of your Ltd company.
  • Business banking set up and registration of your company for PAYE, VAT, and corporation tax.
  • Management of and response to all HMRC correspondence on your behalf.
  • Ongoing tax advice to ensure that your contracting income stays tax-efficient throughout the year.
  • Unlimited access to our client portal “Vantage”.

Step up your contracting journey and maximise your income. Request free consultation with one of our experts today.

Request a callback


  • All company adminstration
  • VAT & Payroll setup
  • Access to client portal
  • Self-assessment tax-returns
All features


  • Everything in Gold, plus:
  • Registered office
  • 2nd director service
  • Nixon Williams rewards
All features


  • Everything in Platinum, plus:
  • Business insurance
  • IR35 reviews
  • IPSE package
All features

We work hard to deliver a service that’s beyond expectation and we’re proud to see that our clients agree with us by rating us ‘Excellent’ on Trustpilot.

See all 425 reviews on Trustpilot

Very fast professional service

I have been very content with the service I received so far. Simon Millington has always been very helpful for any query I had…

9th July, 2019

As a contractor

As a contractor, it has made my life very easy. They did everything for me Daniel Williams is my accountant. He is always very helpful.  I don’t understand…

9th July, 2019

Great team of professionals

As a new IT contractor there’s a lot to get your head around. Fortunately, the team at Nixon Williams were there every step of the way, helping me navigate…

8th July, 2019

Outstanding service

I’ve been an I.T. contractor for over a decade, and have always used Nixon Williams as my sole accountant. They are incredibly efficient and helpful, and…

5th July, 2019

Great service

Just had a brilliant service provided by Nixon Williams for the processing of my personal tax return. I have now been with Nixon Williams 11 years and the service is always very timely and professional

4th July, 2019

Just started out contracting…

Just started out contracting and Nixon Williams were recommended to me by a colleague. They have impressed me from the moment I engaged with them, specifically their…

3rd July, 2019

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From time to time we would like to contact you with news and updates about our services. Please review our privacy policy to see how we use your data.