Tax software

IRIS Business Tax


Transferring the critical data from a clients’ final accounts and dealing with all of the add backs, disallowable expenses and capital allowances before you can finalise their tax return can be both challenging and time consuming.

With IRIS Business Tax you can complete tax returns with ease. Requiring almost no data entry – IRIS Business Tax draws the data from the clients’ accounts in our central database. IRIS Business Tax prepares the tax computations for limited companies, partnerships and sole traders with ease; wholly and partially disallowed accounts are flagged within the database and automatically treated correctly.   


Key features:

  • Business tax computations for corporate, partnerships and sole trades

  • Partnership and Corporate tax return completion

  • Interactive CT600s allowing the CT600 to be edited directly from the onscreen preview

  • Comprehensive capital allowances and capital gains calculations

  • Ability to handle businesses with multiple trades

  • Deals with group relief and the allocation between companies

  • Automated apportionment for extended period computations

  • Fully automated iXBRL tagging for greater productivity

  • Handles multiple agents from a single practice 

  • IRIS OpenSpace e-approval built into the standard workflow

  • Optional IRIS Non-Resident Company Tax Returns module available

  • Integrated with other IRIS Accountancy Suite software for further efficiency savings

Key benefits:


Removes the stress of ensuring that you are up to date with the latest legislation due to regular updates to keep you compliant.

Seamless integration

Increase productivity and save time with our true-integration of products built around a centralised database. This means no re-keying of data, reducing errors and ensuring that your information is more accurate.

Save time through efficiency

With 34 years’ experience, our products have been designed with you in mind for simple navigation, comprehensive features and integrated data. All this means that our users save an average of 22 hours per person, per month by using IRIS.


You can rest-assured when filing tax returns to HMRC with an impressive 98% acceptance rate, reducing the need for corrections and amended returns.

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