Sign in to your CIS portal
First time here, or forgotten your PIN?
🌐 Your language:

Your figures in the 123 Sheets layout, ready to file through your own bridging software.

Add a record

Anything can go in at any time — you don’t have to wait to be asked.

Your figures

Help

Ask Max

How CIS works, what you can claim, when things are due, how to file. Any time, in plain English.

Anything about your own tax position goes to a person. Max explains how things work. Questions about your figures, your claim or your return go to your account manager, who answers them personally.