Switching from Companies House WebFiling: Step-by-Step

Companies House WebFiling for accounts closes on 1 April 2027. If you've been using WebFiling, here's how to switch to commercial software.

Before You Start

What You'll Need

  • Company registration number
  • Companies House authentication code
  • Previous years' accounts for reference
  • Accounting records for next filing

Choose Your Software

  • TinyTax — Free for micro-entities
  • TaxCalc — £100+/year
  • IRIS — £200+/year
  • Sage — £150+/year

Step-by-Step Switch

Step 1: Create Software Account

  1. Visit your chosen software provider
  2. Register with company email
  3. Verify your account

Step 2: Add Your Company

  1. Enter company registration number
  2. Software auto-populates company details
  3. Verify information is correct

Step 3: Set Up Authentication

  1. Enter Companies House authentication code
  2. Verify connection to CH systems
  3. Test if available

Step 4: Prepare Accounts

  1. Enter financial information
  2. Software generates iXBRL automatically
  3. Review accounts preview

Step 5: Submit

  1. Final review of accounts
  2. Submit electronically to Companies House
  3. Receive confirmation

What's Different from WebFiling?

WebFilingCommercial Software
Manual form fillingGuided workflow
Limited validationReal-time error checking
Basic accounts onlyFull iXBRL generation
CH onlyOften includes HMRC too

Timeline

  • Now: Choose software
  • 2026: Set up and test
  • April 2027: WebFiling closes
  • After April 2027: Use software for all filings

Summary

  • WebFiling for accounts closes April 2027
  • Switch to commercial software
  • Free options available (TinyTax)
  • Start early to avoid deadline pressure

TinyTax offers free accounts filing. Create your account →