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

5 results for “first-year”Clear search
7 April 2026

Your Company's First Year? Here's Why You Probably Need Two Tax Returns

Almost every new company's first accounting period exceeds 12 months, meaning HMRC requires two separate CT600 returns. Here's how it works and how Taxpipe makes it easy.

ct600first-yearcorporation-taxfiling
22 February 2026

Capital Allowances on CT600: Claiming for Equipment, Vehicles & Computers

Complete guide to claiming capital allowances on your CT600. Covers Annual Investment Allowance (AIA), writing down allowances, first-year allowances, full expensing, and which CT600 boxes to fill in.

ct600capital allowancesAIAequipmentcorporation tax
21 February 2026

Capital Allowances and Corporation Tax: How to Claim Tax Relief on Business Assets

How to claim capital allowances on your CT600 — AIA, writing down allowances, full expensing, first-year allowances, and which assets qualify for Corporation Tax relief.

capital allowancescorporation taxaiawriting down allowancefull expensingct600tax reliefbusiness assets
21 February 2026

First Year Corporation Tax: A Complete Guide for New Companies

New limited company? Learn when to register for corporation tax, your first accounting period, filing deadlines, and how to avoid common first-year mistakes.

first year corporation taxnew companyCT600company registrationHMRC
21 February 2026

Electric Company Cars: Corporation Tax 2025

Buy an electric car through your company and claim 100% first-year allowance. Learn about BIK rates, capital allowances, and CT savings for EVs in 2025/26.

electric vehiclecompany carcorporation taxcapital allowancesbenefit in kindbikevct6002025