| IRIS (FBR) | https://iris.fbr.gov.pk/public/txplogin.xhtml/ |
| FBR's Web portal for e-filing | https://e.fbr.gov.pk/AuthLogin.aspx |
| ESBN (Online Verification Services) | https://e.fbr.gov.pk/esbn/Verification |
| Active Tax Payer's List (Income Tax) | https://e.fbr.gov.pk/ATLSearchUtilityIT.aspx?ID=1 |
| Active Tax Payer's List (Sales Tax) | https://e.fbr.gov.pk/ATLSearchUtility.aspx |
| Search CPR (FBR) | https://e.fbr.gov.pk/DocumentVerification.aspx |
| Online Notice Verification (FBR) | https://e.fbr.gov.pk/TAMSNoticeVerification.aspx |
| Blacklisted for Sales Tax | https://e.fbr.gov.pk/ATLSearchUtility.aspx?ID=2 |
| Federal Board of Revenue (Main Website) | http://fbr.gov.pk/ |
| SRB's Web portal for e-filing | https://e.srb.gos.pk/ |
| Sindh Revenue Board (SRB) | http://www.srb.gos.pk |
| Punjab Revenue Authority (PRA) | http://pra.punjab.gov.pk/ |
| Khyber Pakhtunkhwa Revenue Authority (KPRA) | https://kpra.kp.gov.pk/AuthLogin.aspx |
| Balochistan Revenue Authority (BRA) | https://bra.gob.pk/AuthLogin.aspx |
| Government of Pakistan | http://www.pakistan.gov.pk/ |
| Online Dictionary | http://dictionary.reference.com/ |
| Securities & Exchange Commission of Pakistan (SECP) | https://www.secp.gov.pk/ |
| SECP E-Services | https://eservices.secp.gov.pk/eServices/ |
| State Bank of Pakistan | http://www.sbp.org.pk/ |
| Karachi Tax Bar Association | http://www.karachitaxbar.com/ |
| Lahore Tax Bar Association | http://ltba.com.pk/ |
| The Institute of Chartered Accountants of Pakistan (ICAP) | http://www.icap.org.pk |
| The Institute of Cost & Management Accountants Pakistan (ICMAP) | http://www.icmap.com.pk/ |
| The Institute of Internal Auditors, USA | http://www.theiia.org |
