Corporate Tax – UKTechnologically advanced corporate tax return software to drive efficiency across your compliance process

Corporation tax software designed to face the challenges of digital tax reporting

ONESOURCE Corporate Tax uses advanced technology to prepare, review and file corporate tax returns with total accuracy, every time. Built on the trust and experiences of Big Four firms and hundreds of leading corporations for over thirty years, stay ahead of changing regulation and file compliant returns from wherever you are working.

Tomorrow’s tax landscape is uncertain. With Making Tax Digital on the horizon, you need robust corporate tax return software to ensure your organisation remains compliant with ever-changing rules and regulations. Thrive under increased pressure from the authorities and better evaluate exposure and risk with accurate and transparent reporting. Give greater flexibility to your tax department by building an end-to-end compliance process that can be tailored to suit your organisation. Import data from multiple sources, and carry out accurate tax accounting and multi-trade compliance calculations with ease. With ONESOURCE Corporate Tax, you’ll have complete confidence you’re always using the very latest information, using the very latest technology.

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Stay ahead and embrace the advanced capabilities of ONESOURCE Corporate Tax (2:27) 

Corporate tax compliance process

How do you power your corporate tax compliance process and stay ahead of ever-changing regulation?

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Thrive into the future of tax

Tax departments like yours must quickly adapt to new ways of working and cope with not just today’s challenges, but also tomorrow’s. To meet new and increasingly prevalent digital tax reporting requirements you need to future-proof your business by becoming an agile tax department. Our web-based corporation tax software gives you the flexibility to collaborate on tasks more effectively, from any location. The security and privacy of your data is as important as ever. Minimise risk with a strict, robust and secure web-based platform hosted by Amazon Web Services (AWS), built to meet the requirements of security-sensitive organisations.

Have complete assurance that your tax department is equipped and positioned to stay ahead and ensure business continuity with whatever challenges are around the corner with ONESOURCE Corporate Tax.

Why use ONESOURCE Corporate Tax?


Efficient processes

Drive efficiency in your compliance process with advanced data technology; simple e-filing and automated electronic tagging free up time for thorough analysis and value-add activities.



Keep up with increasing demands of governance with a complete audit trail, and the ability to add review comments and notes with supporting evidence to your calculation.

Minimise risk

Minimise risk

Minimise the risk of making data errors with a streamlined approach to data collection that gives control and transparency, as well as flexibility and ensures total accuracy, every time.

Robust content

Robust content

Rely on trusted content developed by our highly experienced in-house team which is updated automatically via the cloud, so you always have the latest legislation.



Have the freedom to build a safe and secure tax process that works for you, using API enabled software which allows effective interaction with your existing systems.

Greater agility

Greater agility

The web-based platform enables your staff to work flexibly from any location with minimal risk, and reduces dependency on your internal IT teams.

Entering a new era: the future of corporate tax management

Corporate tax professionals are facing unrelenting disruptions—from global tax reform, the coronavirus pandemic, Brexit, and more. This white paper explores the key trends and developments shaping the future for corporate tax departments in the UK.

Read the report

Better connectivity

Increase productivity and reduce risk in your compliance process by utilising enhanced integration capabilities with ONESOURCE Tax Provision and Statutory Reporting. Leverage data synergies and fully unite compliance with other departmental activities. ONESOURCE Corporate tax is API enabled so you can easily integrate tax with your own business applications, now and in the future. Transform your operations, gain critical time back and add more value to your business with ONESOURCE Corporate Tax. Discover the rest of the ONESOURCE platform: 

Jurisdictional coverage

Easily manage compliance across multi jurisdictions from one platform. ONESOURCE Corporate Tax combines localised tax compliance within an enterprise wide compliance framework. It has the breadth of functionality to manage tax obligations in multiple regions and the depth of content to handle the individual countries’ unique compliance requirements.

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