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IRIS Business Tax
What IRIS Business Tax is
IRIS Business Tax is paid tax-compliance software for accountancy practices preparing computations and returns for corporate clients, partnerships, sole traders, and other client types. It can file documents directly to HMRC and track submission status. Automatic calculations cover capital allowances, vehicle allowances using an integrated CO2 emissions database, enhanced R&D, losses, and capital gains tax. IRIS says the software reflects the latest HMRC legislation without requiring manual setting changes. Automated iXBRL tagging supports tax computations, including extended-period computations. Business Tax integrates with IRIS Accounts Production, Personal Tax, Practice Management, Time and Fees, Company Secretarial, and OpenSpace. With Accounts Production, it can bring accounts data into a universal client record and populate returns automatically. Deployment is available as self-hosted Windows desktop software or through IRIS Anywhere. The module can operate alone or within the IRIS Accountancy Suite. Pricing is on request, with demos and purchase discussions arranged through IRIS.
Who it suits
It suits accountancy practices handling business-tax compliance for corporate, partnership, sole-trader, and other clients. Practices can choose self-hosted desktop deployment or hosting through IRIS Anywhere.
What it does well
- Direct HMRC filing and status tracking
- Calculates multiple tax areas
- Automatic iXBRL tagging
- Integrates with IRIS practice products
- Standalone module available
What to know first
- Paid product
- Pricing requires a request
- Windows and self-hosted options listed
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| IRIS Business Tax | Standalone module or part of IRIS Accountancy Suite · self-hosted desktop or hosted with IRIS Anywhere | On request |
As iris.co.uk lists them, read 4 Oct 2026. The maker's own page has the final word.
Verdict
IRIS Business Tax covers preparation, calculation, tagging, and HMRC submission workflows for practice clients. Its integrations and deployment choices may fit firms already using IRIS products; buyers must contact IRIS for pricing.
Facts from IRIS Business Tax's own pages
- Automatic calculations
- It calculates capital allowances, vehicle allowances using an integrated CO2 emissions database, enhanced R&D, losses and capital gains tax. · iris.co.uk, 4 Oct 2026
- Company history
- IRIS says accountant David Guest founded the company in 1978 to make tax compliance easier for accountants. · iris.co.uk, 4 Oct 2026
- Data entry
- When combined with IRIS Accounts Production, it can pull accounts data into a universal client record and populate tax returns automatically. · iris.co.uk, 4 Oct 2026
- Deployment
- Business Tax is available as a self-hosted desktop solution or hosted through IRIS Anywhere. · iris.co.uk, 4 Oct 2026
- Founded
- 1978 · iris.co.uk, 19 Oct 2026
- HMRC filing
- The software can file tax documents directly to HMRC and track submission status. · iris.co.uk, 4 Oct 2026
- HMRC updates
- IRIS says the software reflects the latest HMRC legislation without requiring users to update settings manually. · iris.co.uk, 4 Oct 2026
- Integrations
- It integrates with IRIS Accounts Production, Personal Tax, Practice Management, Time and Fees, Company Secretarial and OpenSpace. · iris.co.uk, 4 Oct 2026
- iXBRL
- The product includes automated iXBRL tagging for tax computations, including extended period computations. · iris.co.uk, 4 Oct 2026
- Pricing and purchase
- The product page directs prospective buyers to contact IRIS to arrange a demo or discuss purchasing; it does not state a price. · iris.co.uk, 4 Oct 2026
- Purpose
- Business Tax prepares tax computations and returns for corporate clients, partnerships, sole traders and other client types. · iris.co.uk, 4 Oct 2026
- Standalone use
- The Business Tax module can be used without purchasing the full IRIS Accountancy Suite. · iris.co.uk, 4 Oct 2026
- Support
- Customers can use the IRIS Business Tax Help Centre or contact support by email at [email protected] or by phone at 0344 815 5555. · iris.co.uk, 4 Oct 2026
- Who it is for
- IRIS describes Business Tax as software for accountancy practices handling business tax compliance for clients. · iris.co.uk, 4 Oct 2026
Where IRIS Business Tax stands on Freedom251
- Tax Compliance Software#51 of 105
- Corporate Tax Software#16 of 25