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Average Ratings 0 Ratings

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ease
features
design
support

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Description

CT600Filing is a web-based software solution designed for UK limited companies and accounting firms to facilitate the filing of Corporation Tax returns. It provides a step-by-step process for completing a CT600 return, automatically calculating the Corporation Tax as data is entered, and accommodating additional schedules such as capital allowances and R&D claims. The platform can create iXBRL accounts compliant with FRS 102 or FRS 105, or it can accept accounts prepared by other means, and it efficiently submits CT600 returns to HMRC along with annual accounts to Companies House through their respective filing gateways. Users have the flexibility to prepare their returns before making any payments, with straightforward pricing options for each accounting period and various plans tailored to company size; there are also credit bundles available for accountants. The software includes a multi-company workspace that tracks filing statuses, deadlines, and submission histories for various client or group entities. Functioning entirely online without the need for desktop installation, it caters not only to company directors but also to bookkeepers, accountants, and tax professionals engaged in UK Corporation Tax submissions. With its user-friendly interface and comprehensive features, CT600Filing simplifies the tax filing process for all involved parties.

Description

The National Tax Office offers a comprehensive platform for tax preparation and business management, aimed at assisting tax preparers in launching, overseeing, and expanding their tax preparation enterprises through a unified digital interface. This all-inclusive environment encompasses essential tax preparation tools, educational materials, support services, and integrated financial solutions necessary for running a tax office effectively. Accessible via both web and desktop formats, it allows professionals to prepare and electronically submit federal and state tax returns for both individuals and businesses, all while providing access to both current and previous years’ forms in one convenient location. The platform supports unlimited electronic filings and empowers tax professionals to operate from any location, ensuring they maintain oversight and control over their business activities. Additionally, it features various workflow options, including a guided step-by-step interview process or direct input through forms, catering to different user preferences and enhancing the efficiency of the tax preparation process. This versatility makes it an invaluable tool for tax professionals aiming to streamline their operations and improve client service.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

No details available.

Integrations

No details available.

Pricing Details

£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 Trial No 
Free Version Yes 

Pricing Details

$199 per month
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Vendor Details

Company Name

Swift Catalyst Ltd

Founded

2026

Country

United Kingdom

Website

www.ct600filing.co.uk

Vendor Details

Company Name

National Tax Office

Country

United States

Website

www.nationaltaxoffice.com

Product Features

Corporate Tax

Compliance Management No 
Data Import / Export No 
Data Verification No 
Electronic Filing No 
Exception Notification No 
For Nonprofits No 
For Partnerships No 
K-1 Reporting No 
Payroll & Employer Forms No 
Status Tracking No 
Tax Planning No 

Product Features

Corporate Tax

Compliance Management No 
Data Import / Export No 
Data Verification No 
Electronic Filing No 
Exception Notification No 
For Nonprofits No 
For Partnerships No 
K-1 Reporting No 
Payroll & Employer Forms No 
Status Tracking No 
Tax Planning No 

Tax Practice Management

Approval Process Control No 
Billing & Invoicing No 
Client Management No 
Client Portal No 
Document Management No 
Due Date Tracking No 
Scenario Planning No 
Tax Filing No 
Tax Forms No 
Workflow Management No 

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