Taxpipe
PricingCalculatorBlogHMRC Free FilingJoin waitlist
T
Taxpipe

File your UK Corporation Tax CT600 return online. Simple, affordable, HMRC-compliant.

Product

  • Pricing
  • Tax calculator
  • HMRC free filing

Support

  • Help Centre
  • FAQ
  • Contact us
  • Blog
  • info@taxpipe.co.uk

Legal

  • Privacy policy
  • Terms of service
  • Cookie policy

© 2026 Taxpipe. All rights reserved.

HMRC-authorised CT600 filing service

← Back to Taxpipe

Blog

Plain-English guides to UK Corporation Tax and CT600 filing.

4 results for “filing guide”Clear search
23 February 2026

Dormant Company Accounts & CT600: Filing Guide for Companies That Aren't Trading

How to file dormant company accounts with Companies House and a nil CT600 with HMRC. Step-by-step guide with deadlines and requirements.

ct600dormantcompanies-housecorporation-tax
23 February 2026

File CT600 After HMRC Free Service Closes (2026)

HMRC's free CT600 service closes March 2026. Step-by-step guide to filing your corporation tax return from April 2026 using commercial software.

CT600corporation taxHMRCfiling guideApril 2026step by step
22 February 2026

CT600 for Contractors and Freelancers: Complete Tax Filing Guide 2026

Complete guide to filing your CT600 as a contractor or freelancer operating through a PSC. Covers IR35 implications, dividend vs salary tax efficiency, expense claims, and step-by-step filing instructions.

contractorsfreelancersIR35CT600PSCcorporation taxdividendstax filing
22 February 2026

CT600 Box-by-Box Guide: Which Boxes Do You Actually Need to Fill In?

A plain English guide to the CT600 boxes that matter for small companies. Learn which boxes to fill in, which to skip, and how to avoid common mistakes.

ct600box guidehow tofiling guidecorporation taxsmall company