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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)

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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

One of our main focuses is consistently exceeding expectations. We work hard to achieve this, and we’re honoured our clients agree by rating us as one of the Top 5 Rated Accounting Firms on Trustpilot.

See our 450+ reviews on Trustpilot

Extremely professional

Extremely professional, polite and courteous onboarding experience.

21st January, 2020

Awesome customer experience!!

Awesome customer experience!!

20th January, 2020

Very professional and quick to respond…

Very professional and quick to respond to any questions

10th January, 2020

By far the best service I have ever…

By far the best service I have ever received in a B2B environment. Highly recommend

6th January, 2020

Satisfied Customer

I have been dealing with Nixon Williams since 2014. In that time they have provided an excellent service. My current accountant Rizwan Khan is always quick to respond to any requests and keeps me up to date.

20th December, 2019

Excellent team

Excellent team. Very proactive. Dedicated teams for different functions providing specialised services, and efficient handshake between teams making it seamless for the customer. Very customer centric, always works in the interest of the clients. Excellent tools. Highly recommended.

18th December, 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.