Corporation Tax made simple.
We prepare, review, and file your CT600 accurately and on time — ensuring you pay the right amount and avoid HMRC penalties.
Corporation Tax
Accurate tax returns, filed on time.
Corporation Tax doesn’t need to be complicated. We calculate your tax position, prepare your CT600, review everything carefully, and file directly with HMRC — ensuring complete accuracy and compliance. You’ll always know exactly what you owe and why.
Full CT600 preparation
We prepare, review, and file your Corporation Tax return with HMRC accurately and on schedule.
Full CT600 preparation
We prepare, review, and file your Corporation Tax return with HMRC accurately and on schedule.
Full CT600 preparation
We prepare, review, and file your Corporation Tax return with HMRC accurately and on schedule.
Optimised tax position
We check all allowances and reliefs to ensure you never pay more than you should.
Optimised tax position
We check all allowances and reliefs to ensure you never pay more than you should.
Optimised tax position
We check all allowances and reliefs to ensure you never pay more than you should.
Clear explanations
No jargon — just a straightforward breakdown of how your tax bill is calculated.
Clear explanations
No jargon — just a straightforward breakdown of how your tax bill is calculated.
Clear explanations
No jargon — just a straightforward breakdown of how your tax bill is calculated.
Frequently asked questions
Answers to common questions about getting started with CGI Accountants.
What information do I need to provide for CIS?
Subcontractor details, invoices, hours or job records, and payment information. If anything’s missing, we help you collect and organise it.
Do you prefer email? We're available at:
What information do I need to provide for CIS?
Subcontractor details, invoices, hours or job records, and payment information. If anything’s missing, we help you collect and organise it.
Do you prefer email? We're available at:
What information do I need to provide for CIS?
Subcontractor details, invoices, hours or job records, and payment information. If anything’s missing, we help you collect and organise it.
Do you prefer email? We're available at:
Your bookkeeping records, year-end accounts, payroll information, and any relevant expense documentation. If anything is missing, we’ll help you get it sorted.
We review all available allowances, capital expenditure, losses, and reliefs — and apply everything legitimately available to your business.
Yes. We fix historical errors, prepare amendments, and liaise with HMRC when needed.
Typically 9 months and 1 day after your financial year end. We remind you ahead of time so you can plan your cash flow.
Absolutely. We break down the figures so you understand exactly how your tax bill is determined.
Your bookkeeping records, year-end accounts, payroll information, and any relevant expense documentation. If anything is missing, we’ll help you get it sorted.
We review all available allowances, capital expenditure, losses, and reliefs — and apply everything legitimately available to your business.
Yes. We fix historical errors, prepare amendments, and liaise with HMRC when needed.
Typically 9 months and 1 day after your financial year end. We remind you ahead of time so you can plan your cash flow.
Absolutely. We break down the figures so you understand exactly how your tax bill is determined.
Your bookkeeping records, year-end accounts, payroll information, and any relevant expense documentation. If anything is missing, we’ll help you get it sorted.
We review all available allowances, capital expenditure, losses, and reliefs — and apply everything legitimately available to your business.
Yes. We fix historical errors, prepare amendments, and liaise with HMRC when needed.
Typically 9 months and 1 day after your financial year end. We remind you ahead of time so you can plan your cash flow.
Absolutely. We break down the figures so you understand exactly how your tax bill is determined.