CT600Filing

CT600Filing

Swift Catalyst Ltd
GoSystem Tax RS

GoSystem Tax RS

Thomson Reuters
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About

CT600Filing is online Corporation Tax filing software for UK limited companies and accountancy practices. It guides users through a CT600 return, calculates Corporation Tax as figures are entered, and supports supplementary schedules such as capital allowances and R&D claims. The service generates iXBRL accounts using FRS 102 or FRS 105, or accepts accounts prepared elsewhere, then submits CT600 returns to HMRC and annual accounts to Companies House through their filing gateways. Users can prepare returns before paying, with one-off pricing per accounting period and plan options based on company size; accountant credit bundles are also available. A multi-company workspace provides filing status, deadlines, and submission history for client or group entities. The product runs online without desktop installation and serves company directors, bookkeepers, accountants, and tax professionals handling UK Corporation Tax filings.

About

Used by the top 100 CPA firms, Thomson Reuters GoSystem Tax RS is the market leader for corporate tax departments. Highly scalable, it can handle your workflow no matter the size of your firm. The software serves clients filing all return types, including multitiered consolidated corporate returns, life insurance returns (including mixed group filings), and tax equalization returns. Because all work is handled online, you’ll pay less in maintenance costs, face fewer storage issues, and rest easy with assured business continuance. Tackle the most complex tax returns, such as multitiered consolidated return processing for corporations and partnerships. Deploy your team simultaneously across a single return so that each specialist can take on their role at the same time. Protect your data with multiple layers of security, including network security, virus protection, encryption schemes, and more.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

UK limited companies, accountants, sole traders acting through limited companies, and tax professionals.

Audience

Corporate tax departments looking for a professional income tax software solution to handle their workflow

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

£49/filing
Dormant & Nil Return: £49 + VAT per accounting period for a nil CT600 only. Micro: £79 + VAT; Small: £159 + VAT; Full Accounts: £299 + VAT per accounting period. Accountant bundles range from £399 + VAT for 10 credits to £1,099 + VAT for 100 credits (£10.99 per filing at 100 credits). Preparation is free; payment is due at submission. No subscription.
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Company Information

Swift Catalyst Ltd
Founded: 2026
United Kingdom
www.ct600filing.co.uk

Company Information

Thomson Reuters
Founded: 2008
Canada
tax.thomsonreuters.com/us/en/cs-professional-suite/gosystem-tax-rs

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Categories

Corporate Tax Supported

Categories

Integrations

GoFileRoom Not Supported
SafeSend Not Supported
Workpapers CS Not Supported

Integrations

GoFileRoom Supported
SafeSend Supported
Workpapers CS Supported
Claim CT600Filing and update features and information
Claim CT600Filing and update features and information
Claim GoSystem Tax RS and update features and information
Claim GoSystem Tax RS and update features and information