What is CT600Filing?

CT600Filing is an online software solution tailored for limited companies and accounting firms in the UK, aimed at streamlining the submission of Corporation Tax returns. Its design incorporates a guided approach to filling out the CT600 return, with real-time Corporation Tax calculations that update as users input their data, while also offering support for additional schedules like capital allowances and R&D claims. The platform is capable of generating iXBRL accounts that meet the standards of FRS 102 or FRS 105, and it can also accept accounts prepared through alternative methods, ensuring efficient submission of CT600 returns to HMRC along with annual accounts to Companies House via their filing gateways. Users can prepare their returns at their convenience before making any payments, benefiting from clear pricing structures for different accounting periods and a variety of plans suited to the size of the company; accountants can also take advantage of available credit bundles. The software supports a multi-company workspace that monitors filing statuses, deadlines, and submission histories for a range of client or group entities. Operating solely online, it eliminates the need for desktop installations, making it accessible to company directors, bookkeepers, accountants, and tax professionals engaged in UK Corporation Tax submissions. Furthermore, CT600Filing's intuitive interface and extensive features not only enhance the efficiency of the tax filing process but also contribute to a more organized workflow for all users involved. As a result, the platform stands out as a valuable tool for those navigating the complexities of Corporation Tax compliance in the UK.

Pricing

Price Starts At:
£49/filing
Price Overview:
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:
Free Version available.

Integrations

Offers API?:
Yes, CT600Filing provides an API
No integrations listed.

Screenshots and Video

CT600 filing screen for declaration approval, with fields for board approval date, signer, and company position.

CT600 filing screen for declaration approval, with fields for board approval date, signer, and company position.

Company Facts

Company Name:
Swift Catalyst Ltd
Date Founded:
2026
Company Location:
United Kingdom
Company Website:
www.ct600filing.co.uk

Product Details

Deployment
SaaS
Training Options
Documentation Hub
Support
Web-Based Support

Product Details

Target Company Sizes
Individual
1-10
11-50
51-200
201-500
501-1000
1001-5000
5001-10000
10001+
Target Organization Types
Mid Size Business
Small Business
Enterprise
Freelance
Nonprofit
Government
Startup
Supported Languages
English

CT600Filing Categories and Features