CT600Filing

CT600Filing

Swift Catalyst Ltd
Taxley

Taxley

Taxley UK LLP
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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

Taxley is Corporation Tax filing software for directors of small UK limited companies. Guided, plain-English steps help users prepare a CT600 return, iXBRL accounts and a tax computation online, then file the return with HMRC and the accounts with Companies House. It supports dormant companies, micro-entities, small companies, property and investment-holding companies, charities and CICs, for periods starting as early as April 1, 2020. Preparation is free, and filing is charged per return with no subscription. Accountants can file for clients through the practice portal. Taxley is independent software from Taxley UK LLP, not an accountant.

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

Directors of small UK limited companies, including dormant, micro-entity, property, investment-holding, charity and CIC companies, and accountants filing for clients.

Support

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

Support

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

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

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

£9.50/return
Preparation and preview are free, with no subscription. Filing is charged per return; fees depend on the return type.
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

Taxley UK LLP
Founded: 2026
United Kingdom
taxley.co.uk

Alternatives

Taxley

Taxley

Taxley UK LLP

Alternatives

CT600Filing

CT600Filing

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UFileT2

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Categories

Corporate Tax Supported

Categories

Corporate Tax Supported

Integrations

ChatGPT Not Supported
Claude Not Supported
Model Context Protocol (MCP) Not Supported

Integrations

ChatGPT Supported
Claude Supported
Model Context Protocol (MCP) Supported
Claim CT600Filing and update features and information
Claim CT600Filing and update features and information
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