CT600Filing

CT600Filing

Swift Catalyst Ltd
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About

10XX.ai provides real-time and bulk IRS TIN matching for 1099 compliance, helping teams verify TINs before they file, reduce B-Notices, and automate 1099 e-filing through AI-assisted compliance rails. It is built to make 1099 compliance feel invisible, from data prep to e-file to recipient delivery, so operators can focus on the business instead of manual tax workflows. It supports TIN and name combination validation against IRS records, allowing teams to identify mismatches earlier, clean vendor or contractor records, and reduce filing errors before submission. 10XX.ai is designed for both real-time verification and bulk TIN matching, making it useful for onboarding new payees, validating existing vendor lists, and preparing large datasets ahead of tax season. Its workflow helps reduce back-and-forth with vendors, improve the quality of information returns, and lower the risk of notices or corrections caused by inaccurate taxpayer information.

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.

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

Finance and operations teams that need automated TIN matching, cleaner vendor data, and simpler 1099 compliance workflows

Audience

UK limited companies, accountants, sole traders acting through limited companies, and tax professionals.

Support

Phone Support 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

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

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

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

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

10XX.ai
United States
10xx.ai/

Company Information

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

Alternatives

TINCheck

TINCheck

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UFileT2

UFileT2

UFile

Categories

Corporate Tax Supported
Tax Compliance Supported

Categories

Corporate Tax Supported

Integrations

Google Sheets Supported
JSON Supported
Microsoft Excel Supported

Integrations

Google Sheets Not Supported
JSON Not Supported
Microsoft Excel Not Supported
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