CT600Filing

CT600Filing

Swift Catalyst Ltd
TaxInterest

TaxInterest

TimeValue Software
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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

TaxInterest IRS/State interest and penalty software gives you interest and penalty expertise. Easily and quickly calculate interest and penalties for an IRS transcript, an amended return or a return for a late or non-filer, or doing FIN 48 UTP interest accruals . TaxInterest software is the professional standard that helps you calculate the correct amounts – easily, reliably, and with no guesswork. Simplify calculation of interest on both federal and state tax underpayments and overpayments. • A user-friendly interface for tax and payment details • Audit the calculations and totals on transcripts and notices • Calculate interest and penalties for amended returns, and late or non-filers • Relied on by the IRS, CPA firms, and corporations for over 30 years • Output reports that are widely recognized by taxing authorities for accuracy and detail Used by most of the top 100 accounting firms in U.S. and by the IRS. TimeValue Software offers a one year, money back guarantee.

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 Supported
Mac Not Supported
Linux Not Supported
Cloud Not 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

CPAs, CPA Firms, and Corporate Tax Departments

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

$99 per year, per user
Per license policy. TaxInterest Update Service is included the first year and includes quarterly updates and unlimited support.

All TimeValue Software products come with a one year money-back guarantee, so your purchase is risk free.
Free Version Not Supported
Free Trial 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 Supported
Live Online Not Supported
In Person Supported

Company Information

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

Company Information

TimeValue Software
Founded: 1984
United States
www.TimeValue.com

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Categories

Corporate Tax Supported

Categories

Corporate Tax Supported
Tax Preparation Supported

Integrations

No info available.

Integrations

No info available.
Claim CT600Filing and update features and information
Claim CT600Filing and update features and information
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Claim TaxInterest and update features and information