Self-Assessment and Corporate Tax Return

We offer services that include tax computation in iXBRL, completion of SA100 and CT600 calculations for filing at HMRC. Our iXBRL tagging service is provided by an experienced technical team, who tag the line items in your financial statements and tax returns with UK GAAP/IFRS taxonomy labels and under go a two tier review process to ensure they pass through the HMRC validation gateway.

Scope of Work

  • Preparation of CT600 and filing online with HMRC
  • Calculation of capital allowance
  • Profit apportionment over financial year
  • Carrying losses forward or back

What you need to provide

  • Last year tax computation
  • Checklist
  • HMRC filing credentials


  • Tax computation report (iXBRL and pdf format)
  • CT600 (short or full) including capital allowance
Madera outsourcing
Madera accounting and tax services

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Madera Outsourcing is an accounting outsourcing firm providing bookkeeping and financial services to UK based accountants bookkeepers and auditors.
Address :
Plaza No. 15, 2nd Floor Cavalry Ground Commercial Area Cantt ,
Punjab - 54810
Tel : (434)533-0228
Email :