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Qualified, confidential, and reliable,

BIR is your trusted partner in industrial kosher certification.

Our company is staffed by a team of well-trained and highly skilled employees. BIR Igud Rabbonim members are real specialists, trained in food production technology and experts in achieving an extremely reliable and the highest level of Kashrus Standard. All our BIR team members have exceptional knowledge of all our Kosher certification procedures. This will ensure that when you make an enquiry with us, your call is handled professionally and quickly which means you will get the answers you are looking for when you need them. People recognized as among the most talented in their fields, at your convenience.


Rav Osher Yaakov Westheim Zt'l,Av Beis Din,Founder

  • Rav Osher Yaakov Westheim was born in Gateshead, England. Studied in Gateshead Yeshiva and in Be’er Yaakov, Eretz Yisroel.
  • Went to Manchester Kollel Pessach 1968 (headed by Rav Yitzchok Yaakov Weiss of Eida HaChareidis, heard Shiurim from him).
  • Semicho (Rabbinic Ordination) from Rav Rav Yitzchok Yaakov Weiss Av Beth Din Eida HaChareidis in Winter 1971. Shimush(Training) with Rav Weisz and Rav Padwa, Rav of Kedassia, London, England.
  • Joined Manchester Beis Din October ’76 as head of Kashrus. Appointed Dayan on Manchester Beth Din.
  • Established Yeshivas Ezras Torah in Manchester in September 1995.
  • Founded the Badatz Igud Rabbonim in 2003.

Rav Shulem Landau Shlita,President

  • Rav Shulem Landau Shlita is the son in law of Rav Osher Yaacov Westheim Ztl. He learnt in Yeshivas Luzern under Rav Koppelman and then continued his studies in Mir Yeshiva in Yerushlaim
  • He received his Heter horoa from: Rav Chaim Wosner (Rav Zichron Meir, Bnai Brak), Rav Ephraim Padwa (Moro Deasro of London, Head of Kedassia London), Rav Hershel Shnek (Dayan of Satmar & Kedassia London), & Rav Yisroel Chaim Horowitz (Rav Satmar Manchester).
  • He learnt 18 years in Satmar Kollel in Manchester before joining the Badatz Igud Rabbonim. He has extensive experience in Shechitas as the Rav Hashechita, as well as experience in Industrial kashrus.
  • During his time in Satmar Kollel he was Rosh Hachaburo on Yoreh Deah for 8 years.
  • Rav Shulem Landau is an Einekel for the Boruch Tam. His father Reb Efraim Landau Ztl was a Dayan in Kedassia London for many years.