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

7 results for “first CT600”Clear search
23 February 2026

New Director? Your First CT600 in 2026: The No-Jargon Guide

Just incorporated a limited company? This plain-English guide covers everything new directors need to know about filing their first CT600 in 2026.

CT600corporation taxnew directorfirst yearlimited companybeginner guide2026
23 February 2026

Filing Your First CT600: A Step-by-Step Guide for New Companies

Just incorporated a UK limited company? Here's everything you need to know about filing your first CT600 Corporation Tax return — from registering with HMRC to submitting your return.

CT600new companyfirst returncorporation taxHMRCguidelimited company
22 February 2026

First Year Corporation Tax: What New Limited Companies Need to Know

Just incorporated? Here's your complete guide to corporation tax in your first year — registration, deadlines, what to file, and how to pay.

corporation taxnew companyfirst CT600limited companyHMRC registration
21 February 2026

Company Formation & Corporation Tax Registration

Step-by-step guide to registering for Corporation Tax after forming a limited company. Covers CT41G, UTR numbers, deadlines, and first CT600 filing.

corporation-taxcompany-formationregistrationct600hmrcnew-company
21 February 2026

Corporation Tax for Startups: The Complete Guide for New Limited Companies

Corporation tax for startups. Registration, deadlines, expenses, R&D relief, first CT600 filing, and mistakes to avoid.

corporation taxstartuplimited companyCT600new business
21 February 2026

Just Incorporated? Your First CT600 Timeline: Key Dates You Can't Miss

New limited company timeline: when to register for corporation tax, your first accounting period, CT600 deadline, and payment date.

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19 February 2026

Your First Company Tax Return — A New Director's Guide to CT600 Filing

Just set up a limited company? Everything you need to know about your first CT600 — when it is due, what to include, and how to file.

ct600new companyfirst tax returncorporation taxbeginners