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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.


Services for Existing Clients

Our range of additional services, all specially designed for contractors, will make running your own business smooth sailing.

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01253 362 000

Additional services

We understand that working for yourself brings its own unique set of challenges. Without support to anchor you down, it can sometimes feel like you’re all at sea. And help isn’t always easy to find when you’re a contractor. But we’re here to change that.

Thanks to our range of additional services and partners, we’ll equip you with all you need to navigate the ups and downs and make your career smooth sailing, no matter what comes your way. With a range of services beyond our core offering, we’re here to support you on your journey.

  • Mortgage
  • Wealth
  • Private Medical
  • Business Banking


Applying for a mortgage isn’t always simple when you’re self-employed. We’ve partnered with CMME to make the process easy and stress-free. Dive in to see how they can help you.

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Thanks to our partner, Contractor Wealth, we’re here to help you keep your cash flowing with their wealth services and advice.

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Private Medical

Lack of health insurance is an issue many contractors worry about. But there’s no need to fret, as this perk is also available to the self-employed. AXA Health can help to give you peace of mind thanks to their comprehensive healthcare packages.

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Business Banking

Banking with a partner who understands the unique workings of the self-employed is a sure way to keep your money in order. We’ve partnered with Metro Bank to help you keep your bounty safe.

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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 709 reviews on Trustpilot

First and Last Accountant!

This is the first accountant I have used and will never change. I pay for the top package and definitely worth it. They help you with all sorts of enquiries which I had no clue about, where it is business, mortgage or anything else, they can support. Katie Murray and her team were extremely helpful.

22nd July, 2021

Nixon Williams simply THE BEST!

Nixon Williams has been doing my company’s account since 2008 and I cannot recommend them highly enough. The service they have provided me with, has been second to none from day one. They are always willing to help you with any queries you may have.
I especially want to thank Anne-Marie Haslem for her service all these years. She has been a star! Thank you. All the best, Miguel.

13th July, 2021

Extremely easy process and friendly…

Extremely easy process and friendly staff to help with all aspects of new client setup.

8th July, 2021

Excellent Service

My company has been using the services of Nixon Williams for around 3 years, and in that time we’ve always received first class service from our accountant Anne-Marie. The various returns are always correct and on time. If we need any information, it’s always easy to speak with Anne-Marie via phone or email, and we always get sound advice from a professional who knows their industry inside out.

28th June, 2021

Nixon William – Excellent Service and Thank you

I’ve used Nixon Williams for a couple of years now, during this time their advice and guidance has been excellent, especially for someone like myself that is not very clued up on Taxes/Accounts etc. The Vantage Portal is easy to use and provides a good overview of the real-time account status, which is one of the reasons I joined them in the first instance.

14th June, 2021

David MacAskill feedback

Dylan Crowley did a great sales job of understanding my requirements and aligning them to the best-fit service offering. The onboarding process was fairly slick compared with other accountancy firms albeit they seemed to resistant to speaking and prefer to keep the conversation on email which was disappointing. The relationship with my dedicated account is vital and will determine everything from here onwards.

4th June, 2021