ATXWolters Kluwer
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CT600FilingSwift Catalyst Ltd
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Related Products
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About
The easiest to use, most complete professional tax software for CPAs and Small Firms. With an easy-to-use, forms-based interface and supported by the industry's largest form library, ATX is ideal for individual preparers and small firms alike. Designed to get you and your support staff up and running as quickly as possible. User-friendly design and features to help you quickly process and e-file returns with minimal errors. A huge library of over 6,000* tax compliance forms. Additional integrations to help you easily import tax information, share files with clients, and more. Identify e-filing errors, omissions, overridden entries, and more with Check Return. Track the refund or balance due with every entry with Refund Meter. Navigate between forms easily using Page, Worksheet, and Form tabs. Federal, state and local returns, including 1040, 1120, 1120S, 1065 and 1041 and corresponding schedules.
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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.
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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
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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
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Audience
CPAs and small tax firms
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Audience
UK limited companies, accountants, sole traders acting through limited companies, and tax professionals.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$597
Free Version
Not Supported
Free Trial
Not Supported
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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
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationWolters Kluwer
Founded: 1987
Netherlands
taxna.wolterskluwer.com/professional-tax-software/atx
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Company InformationSwift Catalyst Ltd
Founded: 2026
United Kingdom
www.ct600filing.co.uk
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
8am CPACharge
Supported
Ace Cloud Hosting
Supported
Cloudwalks
Supported
Jiva
Supported
Kinective Bridge
Supported
OneUp Networks
Supported
QuickBooks Online
Supported
QuickBooks Online Advanced
Supported
SmartVault
Supported
Truss
Supported
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Integrations
8am CPACharge
Not Supported
Ace Cloud Hosting
Not Supported
Cloudwalks
Not Supported
Jiva
Not Supported
Kinective Bridge
Not Supported
OneUp Networks
Not Supported
QuickBooks Online
Not Supported
QuickBooks Online Advanced
Not Supported
SmartVault
Not Supported
Truss
Not Supported
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