OK Kosher Certification

OK Kosher Certification Established in 1935, OK Kosher is the world’s leading Orthodox kosher certification agency

OK Kosher Certification is well regarded for its unique approach to kosher certification, technology, and innovation in the constantly evolving food and beverage industry. The OK’s instantly recognizable trademark is accepted universally as a representation of our high standards and quality service. Our teams use personal expertise to serve our clients with innovation and superior customer care. I

n this way, we strive to bring an ever growing selection to the kosher consumer, with uncompromising kosher standards.

06/22/2026

Traveling and need to use the stovetop? Rabbi Teichman takes you through the different ways you can kasher your stovetop on vacation.

06/18/2026

Does coffee have an issue with bishul akum? Rabbi Lepkivker explains…☕️🤔

06/17/2026

Rapid fire Shabbos questions with Rabbi Teichman! drop your own Shabbos questions in the comments below. 👇

06/16/2026

Every Thursday before Rosh Chodesh, OK Kosher’s Rabbinic Coordinators gather from around the world to ensure we are providing kosher without compromise.

Whether in headquarters or joining virtually, our team collaborates on kashrus updates, strategies, and shared goals to stay at the top of our field.

06/12/2026

Traveling and need to use the oven? Rabbi Teichman takes you through the different ways you can kasher your oven on vacation.

Follow for more!

05/27/2026

Is sushi mezonos or shehakol? This age-old question and halachic discussion gets addressed by Rabbi Sholom Ber Hendel of the OK Kosher Executive Rabbinical Council. 
 
What did you think? 
 
Comment any questions below and follow along!

05/21/2026

Happy Shavuos from all of us at OK Kosher!

05/21/2026

What’s your cheesecake secret? 🤫

With Shavuos coming up, OK Kosher staff reveal what makes their cheesecakes so good! 

Follow for kashrus updates and amazing content!

05/20/2026

At OK Kosher, our wonderful staff are the ones who make kosher without compromise a reality. Before every Yom Tov, each member of our staff receives a gift for the upcoming Yom Tov, and for Shavuos it’s a beautiful cheesecake! 

Thank you to the incredible team and all you do!

05/18/2026

Does my pie crust need to be Pas Yisroel? With Shavuos coming up, stay tuned as this and many other Shavuos topics get addressed by members of the OK Team!

Address

391 Troy Avenue
Brooklyn, NY
11213

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 1pm

Telephone

+17187567500

Website

,

Alerts

Be the first to know and let us send you an email when OK Kosher Certification posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Organization

Send a message to OK Kosher Certification:

Shortcuts

Share

Category