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features
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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

Shareflo offers comprehensive cap table and share scheme management software tailored for companies in the UK. It consolidates shares, options, vesting, and relevant documents into a single record, featuring self-service portals that cater to both employees and investors. The platform efficiently manages EMI schemes from start to finish, providing pre-drafted rules and award agreements, along with processes for grants, vesting, exercises, and managing leavers. All necessary filings such as SH01s, ERS returns, and share conversions are automatically generated from this unified record, ensuring alignment with Companies House and HMRC. Each award maintains its own approval history and associated documents, recorded contemporaneously, which eliminates the need for extensive reconstruction during due diligence efforts. Finance, HR, and legal teams benefit from individual logins that come with role-restricted access for enhanced security. The integrated AI agent, Flo, offers guidance on share schemes and compliance matters, and is capable of executing tasks upon your approval. Additionally, an MCP connector allows for seamless querying and updating of the cap table through Claude. The platform is designed to accommodate up to 20 stakeholders at no cost, with no minimum commitment required, and permits full data export at any time, even if you choose to discontinue your use of the service. This flexibility ensures that companies remain in control of their data throughout their engagement with Shareflo.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

Claude No 
Claude Code No 
Claude Duet No 
Claude for Legal No 

Integrations

Claude Yes 
Claude Code Yes 
Claude Duet Yes 
Claude for Legal Yes 

Pricing Details

£49/filing
CT600Filing starts from £49 + VAT per return. Prepare free, pay when you file. No subscription.

All plans include CT600 filing to HMRC and accounts submission to Companies House:

Dormant & Nil Return – £49 + VAT: Nil CT600 to HMRC and dormant accounts filing to Companies House.

Micro Company – £79 + VAT: CT600, FRS 105 iXBRL accounts and Companies House filing.

Small Company – £159 + VAT: CT600, FRS 102 Section 1A iXBRL accounts and Companies House filing.

Medium & Large – £299 + VAT: CT600, full FRS 102 accounts and Companies House filing.

Each payment covers one return, with unlimited amendments for that return. Returns are submitted directly to HMRC, and accounts are filed with Companies House.

Accountants and bookkeepers: Filing credits start at £399 + VAT for 10 filings, reducing to £10.99 per filing with the 100-credit bundle. Credits are valid for 12 months.

No monthly subscription. Prepare your return free and pay only when ready to submit.
Free Trial No 
Free Version No 

Pricing Details

£5
per stakeholder per month
Free Trial Yes 
Free Version Yes 

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 No 
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) No 
In Person No 

Vendor Details

Company Name

Swift Catalyst Ltd

Founded

2026

Country

United Kingdom

Website

www.ct600filing.co.uk

Vendor Details

Company Name

Shareflo

Founded

2025

Country

United Kingdom

Website

www.shareflo.co.uk

Product Features

Corporate Tax

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

Product Features

Equity Management

Cap Table Management Yes 
Deal Management No 
Document Storage Yes 
ESOP Management Yes 
Financial Modeling No 
Options Management Yes 
Participant Portal Yes 
Portfolio Management Yes 
Private Equity No 
Public Equity Yes 
VSOP Management No 
Valuation Management Yes 
Vesting Management Yes 

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