Accountants For Contractors


Are you an IT contractor looking for a specialist to take care of your accounting responsibilities proactively? 123Financials special accounting services for contractors are exactly what you need to save your day.

From £85 per month, you will have access to the best contractor accountants in the UK, with decades of business experience, tactfully managing all aspects of finance, taxation, and accounting. Book a free consultation – from company formation, tax filing and returns to digital accounting solutions - we can set you up in less than a day.

Get in touch!


Tax filings


Accounts filings



Manage Your Finance and Plan Ahead with London’s Leading Contractor Accountant

As a contractor, you already have a lot on your plate, and with the needs of each contracting business being unique, it makes sense to work with someone who is dedicated to you. The last thing you need to worry is making sure your bookkeeping is accurate, missing out on a deadline, or losing an opportunity.

Working with a contractor accountant who has the understanding and the experience to deal with your business’s evolving nature of contracts is important. You need someone who can not only help you understand the pros and cons of contracting and set up your business but also advise you on the complex and never-ending financial issues.

If this kind of personal accounting service is important to you, 123Financials is right for you. We are an accredited accountancy company for contractors operating as freelancers, limited companies, or sole traders. Our contractor accountant can customise a service package that will perfectly sync with your work and budget.

What Do We Do?

We Have an Innate Desire for Entrepreneurial Success

Serve Individuals

We offer tax preparation and tax savings strategies for individual professionals.

Build Start-ups

Our fail-safe fiscal strategies help new entrants uncover hidden growth potentials.

Manage Big Firms

We are a full-finance stack, including comprehensive solutions that go beyond accounting.

Best Cloud Accounting

Where you go, whenever you go, have complete control over your financial information.

Best Line of Accounting Services for Contractor

Professional accountants can be of great value to contractors in boosting growth and improving the bottom line. 123Financials accountants have over a decade of experience providing tax advisory and accounting solutions to IT contractors across the UK. We unburden the financial stress by providing the following services:

  • check 24/7 access to the cloud-accounting solution
  • check Company incorporation
  • check Tax planning advice
  • check Bookkeeping
  • check Financial statements and year-end accounting
  • check Cashflow forecasting
  • check Preparation of self-assessment tax returns
  • check Preparation of VAT returns and corporation tax returns
  • check Assistance with HMRC record checks
  • check Business plans and forecasting

Why Choose 123Financials Contractor Accountants?

123Financials is a modern accounting firm that has partnered with hundreds of contractors in the past decade. Constant support from experienced accountants like us can make a world of difference with a host of unique benefits, such as;

  • task_alt We are an ICAEW regulated company
  • task_alt Work with a certified contractor accountant
  • task_alt We offer remote accounting services
  • task_alt Switch to 123 Financials in 1-2-3 easy steps
  • task_alt Access to cloud-based accounting software
  • task_alt We make business HMRC compliant
  • task_alt Constant communication via chat, phone, video, & phone
  • task_alt Real-time cloud computing benefits
  • task_alt - Receive proactive support with regular check-ins

Contractor Accounting Services

A fixed-fee, low cost service for sole traders working as contractors or small-business.
From just £ 85 + VAT/Month

020 8577 0200

Schedule a Meeting

Millennial Thinking Accountant Offering Exceptional Services for Contractors


If you work as a contractor, we are here to help you – no questions asked. At 123Financials, you will get a customised accounting service for a competitive monthly fee with no restraining agreements or hidden charges. No set-up fee, minimum contract, or tie-in fee too.

Our accountant will always be on hand to clear your doubts. They will also conduct regular tax efficiency reviews to ensure your business runs in the most tax-efficient way. At the same cost, you will also get real-time personal and business tax reporting so you always know how much personal and corporation tax you owe.

If you wish to change your contractor accountant and switch to a specialist like us, we promise to make the transition effortless at your end. You need not wait till the year-end. We will contact your existing service provider, gather all financial documents, review it to make sure they are HMRC compliant without any loose ends, organise data, and prepare and file reports. Sounds easy?.

Why Are We Different?

UK’s Best Accounting Partners

We are connected to the industry’s leading digital accounting partners. Avail their benefits free of cost.

Online Accounting Services

Gain access to certified staff, CFOs, & real-time financial insights round-the-clock at your fingertips.

Manage Big Firms

We are a full-finance stack solution provider, including extended services that go beyond accounting.

Not Bound by Contracts

You have the freedom to leave us anytime you want. Although, we guarantee that wouldn’t happen.

Flexible Plans


From £350 per year*

  • check Annual accounts
  • check Self assessment tax return
  • check Bookkeeping for 240 transactions
  • check Claimable expense guidance
  • check Basic HMRC dealing
  • check Basic Tax planning
  • check Basic Business support

£85 per month*

  • check Annual accounts
  • check Corporation tax return (CT600)
  • check Bookkeeping for 360 transactions
  • check Payroll- Director
  • check Tax Return- Director
  • check Confirmation statement
  • check Basic Tax planning
  • check Basic Business support
Established Businesses

From £149 per month*

  • check Annual accounts
  • check Corporation tax return (CT600)
  • check Bookkeeping for 360 transactions
  • check Payroll- two employees
  • check Tax Return- two Directors
  • check Confirmation statement
  • check Basic HMRC dealing
  • check Tax planning

*Prices are VAT exclusive.

30 Minute Free Consultation With Industry Specific Expert

Focus on running your business while we deliver its fuel.

Schedule a Meeting

Accountants For Contractors

We are here for You, Working Alongside, Building Your Business

UK’s accounting system is quite complex. Working with 123Financials contractor accountants in the UK will take a significant load off your shoulder – accounting and bookkeeping. We will ensure your accounting records are devoid of errors, up to date, and perfectly and timely filed so that you can avoid unwanted HMRC penalties and focus on your core business operations.

When you run a business locally and nationally, UK’s law and accounting standards apply. However, when conducting business internationally, respective countries’ accounting standards and laws must be considered. To make your accounting much easier, we also offer specialist international tax advisors for global businesses.

As a Gold Certified partner of Xero, we can offer you a discounted subscription and full-service support. You can read more about our services here.

Accounting Partners