CT600Filing

CT600Filing

Swift Catalyst Ltd
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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

Get a custom calendar with tax deadline reminders for one or more businesses emailed to you so you’ll never forget a due date. Take the guesswork out of trying to figure out how much you’ll owe in sales tax, income tax, and more. Whether you need to manage tax compliance for one business or several businesses, you can do it easily in one simple dashboard. Never forget a business tax deadline again – not income tax, sales tax, annual reports – not any tax. Tell us about your business(es) and we’ll generate a custom calendar with every tax deadline you’ll need to meet throughout the year. Take the guesswork out of trying to figure out how much you’ll owe in sales tax, income tax, and much more. Our tool calculates a close estimation of how much you’ll need by your deadline so you don’t have to guess.

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

Small businesses looking for a tax solution to take the guess-work out of tax management

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

$0
Free Version 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 Not Supported
In Person Not Supported

Company Information

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

Company Information

ComplYant
Founded: 2019
United States
complyant.co

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Categories

Corporate Tax Supported

Categories

Corporate Tax Supported
Sales Tax Supported
Tax Compliance Supported

Integrations

FreshBooks Not Supported
Xero Not Supported
Zoho Books Not Supported

Integrations

FreshBooks Supported
Xero Supported
Zoho Books Supported
Claim CT600Filing and update features and information
Claim CT600Filing and update features and information
Claim ComplYant and update features and information
Claim ComplYant and update features and information