CT600 Corporation Tax Software Made Easy
Silverfin pre-populates your CT600 corporation tax returns with live data from your Working Papers, helping you save hours on preparation, eliminate manual tasks, and file directly with HMRC using our intuitive tax return software.
- Reduce risk with live data and linked schedules
- Remove data entry tasks and automate iXBRL tagging
- Improve collaboration and reduce filing effort
- Validate and file your returns with ease
- Embed consistency and accuracy into your processes
Corporation Tax doesn’t need to be difficult


Save hours with automation
Creating corporation tax returns can be a repetitive manual task. Importing, checking and updating data. Multi-screening as you switch between spreadsheets and tools. But it doesn’t have to be that way.
Automatically populate CT600s with live client data
Preparing tax returns can sap hours of valuable time when you’ve got to juggle data quality with multiple spreadsheets and tools. This can quickly become a repetitive chore and increase the risk of errors and non-compliance.
Silverfin’s CT600 filing software sends live client data from your working papers into tax schedules in real-time, reducing time spent checking spreadsheets and supporting direct HMRC submission.

Improve consistency and collaboration
What’s more, Silverfin has been designed with collaboration in mind and includes a range of features to help colleagues and teams communicate effectively. Tags, paper trails, file comments, and integrated review tools all help to reduce frustrations and speed up reviews.

Validate and file your returns with ease
Silverfin makes it easy to consistently generate high-quality computations and fully-compliant CT600s. Our iXBRL tagging tool accurately embeds your financial data with machine-readable tags, ensuring your returns adhere to the latest regulatory standards.
Meanwhile, built-in data validation ensures your team catches any errors before filing and significantly reduces the chance of falling out of compliance. When ready, submit your iXBRL-tagged return to HMRC with a single click from within Silverfin.

Core accounting work, fully automated
Silverfin readily integrates with the financial software you already use. Within minutes, you could be leveraging our cloud-based software to simplify your day-to-day work and unlock opportunities for revenue growth. With per-client file pricing, a modern interface, and simple implementation, it’s easy to unlock value.
With Silverfin, your entire team can access the information they need, when they need it, to streamline core accounting processes such as Accounts Production—all enhanced by AI and automation to eliminate errors and create additional capacity.

Automatically populate CT600s with live client data
Solve this with Silverfin by automatically flowing live client data from your working papers to your tax schedules, in real time. With the latest data always at hand, there’s no wasted work or version control problems.

Improve consistency and collaboration
What’s more, Silverfin has been designed with collaboration in mind and includes a range of features to help colleagues and teams communicate effectively. Tags, paper trails, file comments, and integrated review tools all help to reduce frustrations and speed up reviews.

Validate and file your returns with ease
Meanwhile, built-in data validation ensures your team catches any errors before filing and significantly reduces the chance of falling out of compliance. When ready, submit your iXBRL-tagged return to HMRC with a single click from within Silverfin.

Core accounting work, fully automated
With Silverfin, your entire team can access the information they need, when they need it, to streamline core accounting processes such as Accounts Production—all enhanced by AI and automation to eliminate errors and create additional capacity.


Jo Gibson • Outsource Business Partner • Hurst
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FAQs
How does Silverfin’s CT600 software automate corporation tax filings?
With automated corporation tax returns, your firm can save hours on your corporate tax returns with our broad set of CT600s, tax schedules all pre-populated with live data from your workpapers. Data from working papers templates, such as the Fixed Asset Register, flow automatically into the tax schedules so you avoid having to manually export data from accounts production software into your tax software, and ensure errors are eliminated. With much of the data pre-populated, the time it takes to produce a final CT return is dramatically reduced.
What are the benefits of using live corporation tax data for HMRC-ready returns?
Silverfin ensures your live corporation tax data is always up to date and cloud-accessible, automatically flowing into your computations, working papers, and statutory accounts. This eliminates version control issues and wasted work, helping you prepare accurate, HMRC-ready returns every time.
How does Silverfin use validation checks before CT600 submissions to HMRC?
Silverfin’s built-in validation checks identify potential errors before submission, helping your team stay compliant and confident. Once validated, your CT600 return can be submitted directly to HMRC with a single click—complete with accurate iXBRL tagging.
What features simplify corporation tax filing in Silverfin’s CT600 software?
Silverfin’s CT600 software simplifies corporation tax filing with automated, pre-populated tax schedules powered by live data. Standardised workflows, guided navigation, and built-in review tools make collaboration easier, reduce manual effort, and improve productivity across teams.
How does iXBRL tagging work in Silverfin’s CT600 software?
Silverfin’s CT600 software features built-in iXBRL tagging that automatically applies the correct machine-readable tags to your financial data. Combined with real-time validation, this ensures full compliance and effortless HMRC submission with just one click.