1. Revenue Administration (GİB)
Main portals for tax declarations, payments, and queries:
Digital Tax Office (New Main Login): dijital.gib.gov.tr
Interactive Tax Office (İVD): ivd.gib.gov.tr
e-Declaration (BDP Software and Submission): ebeyanname.gib.gov.tr
e-Archive Invoice Portal: earsivportal.gib.gov.tr
Ready Declaration System (Rental, Salary, etc.): hazirbeyan.gib.gov.tr
2. Social Security Institution (SGK)
Quick access points for employer and insured transactions:
SGK Employer System (V2): uyg.sgk.gov.tr/IsverenSistemi
e-Notification v2 Portal: ebildirge.sgk.gov.tr/EBildirgeV2
Employment Entry/Exit Declarations: uyg.sgk.gov.tr/SigortaliTescil
Eligibility Query (SPAS): uyg.sgk.gov.tr/SpasSorgulama
SGK Debt Payment (by Credit Card): uyg.sgk.gov.tr/KartlaOdemeler
3. TÜRMOB and Professional Legislation
For financial advisory procedures and current legislation tracking:
e-Birlik (Contract and Member Transactions): ebirlik.turmob.org.tr
TÜRMOB Legislation Tracking System: mevzuat.turmob.org.tr
TÜRMOB Card Transactions: turmobkart.com.tr
LUCA Accounting Software Login: www.luca.com.tr
Useful Tip
Instead of entering passwords separately for each of these systems, you can use the "Login with e-Government" option available on most platforms to securely access them with your Turkish ID number. In particular, the GİB and SGK systems now operate entirely with e-Government integration.