Tax : Accounting : Advisory
Portugal
GUIDELINES FOR SUBMITTING
SUPPORTING TAX DOCUMENTS
VIA THE DMA ONLINE PORTAL
Follow the instructions below to submit your supporting documents via our secure online portal.

Once all your documents are uploaded, please send a confirmation email to irs@dmatax.pt.
Step 1
Create an account on our online portal with a secure
username and password
Register an account here
or visit our website dmatax.pt and go to the "Login"
page to create your account
Visit our website
Step 2
Login to your account and create a "2024" folder.
Step 3
Upload all your supporting documents to the folder.
Step 4
Once all of your documents have been uploaded, please send an email to irs@dmatax.pt to confirm that your tax return is ready to be filed.
Duncan MacGregor Accounting, LDA.
NIF 502575500
Rua D. Jose de Avilez, 71 R/C, 2750-398, Cascais, Portugal
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