Official Supporter of Accountants

IRIS’ market-leading tax and accounts software dramatically increases your practice’s efficiency and productivity, while making your life easier and less stressful. Our suite of accountancy software products range from practice management to compliance, and tax and accounting software.

MTD 360o



with Steve Cox


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Quick, simple, secure customer invoice payments

Included in your IRIS KashFlow subscription

IRIS Pay seamlessly integrates with IRIS KashFlow. It’s easy to request, then collect payments from your customers and automatically create an invoice. No set up costs and no monthly fees.

Explore Ask IRIS

With articles, guides, webinars, expert insights and a chance to get your accountancy questions answered, Ask IRIS is here to help your practice add more value for your clients.

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Exploring every angle of Making Tax Digital

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Trusted by more than 23,000 UK accountancy firms

More than 23,000 UK accountancy firms trust IRIS accounts software as a key partner to run their business – more than any other accountancy software vendor in the UK.

That includes 91 of the top 100 UK firms. We know one size doesn’t fit all and have software for accountants in businesses of every shape and size, no matter what your strategy or needs.

Time-saving, simple, stress-free accountancy solutions

Our straightforward accountancy software helps firms to make substantial time and efficiency savings.

  • Our customers tell us, on average, IRIS Accountancy Suite has saved 22 hours per month, per person
  • We maximise the efficiency of your workflow
  • You want more time with your clients, and we enable that by cutting admin, reducing manual tasks, and speeding up routine jobs.

‘I have been using different accountancy software during my accountancy career. But Iris Accountancy Software stands out among all the other softwares I have used and is the best Accountancy Software.’

By Moteelall Bhautoo

Making compliance a doddle

IRIS has a more than 40 year heritage of being first on compliance for UK accountants.

  • We automate much of the necessary compliance work you do day-to-day, making it much quicker and simpler
  • We are the largest third-party filer of online documents to the UK government
  • We submitted nearly four million 2020 Tax Returns – almost as many as all our competitors combined
  • We get our customers fully prepared every time legislation is announced – such as MTD – well in advance of the new rules taking effect.

‘We have used IRIS in our accountancy practice for nearly 40 years and the software has been one of our greatest assets allowing us to provide timely advice to our clients and enabling them to meet both filing and opportunity deadlines.’

By Margaret Large

A complete start-to-finish solution

Every aspect of your work and each stage of the client journey, from beginning to end, is covered by IRIS’ fully digital solutions. To name just two, IRIS OpenSpace enables quick and easy, GDPR-compliant document sharing and approval, while IRIS Docs provides comprehensive digital document management.

  • We offer a huge depth and breadth of accountancy software, covering all elements of your workflow – no other provider has such a comprehensive range
  • Our fully integrated solutions all link seamlessly, eliminating the need for accountants to re-key data across multiple programs
  • Our products are immediately MTD ready, with pre-population of key tax data, plus we have various solutions to fit your practice. On top of that, we integrate with leading accounting software.

Why accountants choose IRIS Software?

Making you more productive

Rapid, easy automation of manual tasks and elimination of time-consuming everyday chores, ensures your accountancy practice gets more done, and there’s more time for clients.

Value for money

Customers say IRIS software is like an extra member of the team and cuts the associated costs of employing more staff. Time and effort saved outweigh the subscription cost.

Quick, effective communications

Our range of software transforms how accountants engage and connect with clients and prospects, helping them retain and attract.

Excellent customer support

More than 500 dedicated accountancy professionals help to ensure our customers thrive using our software, providing support when you need it. This includes 300+ developers and 55+ support staff.

Our Products

Software for Accountants

With an unbeaten compliance track record, our accountancy software provides the most extensive portfolio of integrated and automated solutions for any thriving practice.

Discover the full range of accountancy software

Make my accountancy practice more efficient

Speak to our specialists about bespoke accounts software solutions for your accountancy firm.

‘We couldn’t do without it – it’s part of everyday life. I think a fair description is to say it’s like an additional member of the team.’

Helen Atack, Bells Accountants

Cost-effective accountancy software for smaller businesses

  • Simple to run, with a straightforward tax return interface
  • Integrates tax, accounts, and practice management in one place
  • A broad range of modules helps you to offer a complete service to clients

Latest Articles


Taking the pain out of getting paid

By Masih Ahmed | 16th May 2022 |4 min read


Cloud integration: the future of accountancy

By Jonathan Priestley | 5th May 2022 |3 min read

Want to increase your accountancy firm’s productivity and boost efficiency?

Whatever your challenges, let IRIS Software help you to overcome them and thrive.