We didn't start as a software company.
We started as an engineering firm.
Kesher Kasher wasn't born in a startup boardroom. It was born out of a real struggle — our own — an engineering firm whose entire staff is Torah-observant.
The problem we lived every day
Anyone who works in construction and engineering knows: the work runs on WhatsApp groups. The site group, the contractor's group, the inspector's group. That's where decisions are closed, where the plans travel, where they announce that the concrete pour moved up an hour. Whoever isn't there — simply isn't in the loop.
But we are a firm made up entirely of religious and Haredi employees. Kosher phones, filtered computers — and on that we were not willing to compromise. Not at home, and not at work. We found ourselves facing an impossible choice: stay disconnected from what was happening on our own projects, or bring into the office exactly what we had decided would never come in.
"We refused to accept that earning a respectable living meant giving up who we are."
So we built it ourselves
We looked for a solution. What we found was partial: raw message forwarding, without the context of a conversation, with limits and delays. That wasn't enough for real, ongoing work with clients and suppliers.
So we did what engineers do — we defined the problem precisely and built the solution: every WhatsApp conversation arrives in the inbox as it is — with the bubbles, the names and the context — and the reply travels back from email to WhatsApp, from our own number, without the other side noticing any difference. The computer stays filtered. The phone stays kosher. And the work — flows.
We used it ourselves, day in and day out, on real projects. And when we saw how much it changed — we understood it couldn't stay ours alone.
For everyone who wants to join in — without giving in
The Haredi community is joining the workforce today more than ever: engineering, accounting, insurance, real estate, high-tech. But today's job market speaks WhatsApp — and whoever chose a kosher phone pays a daily professional price for it.
Kesher Kasher exists to erase that price. So that a kollel graduate entering the workforce, a bookkeeper at a filtered office, or an entire firm like ours — can stay connected to everything that matters, on their own terms. This isn't just a system. It's a stance: you can have both. Fully in — and fully guarding your home.
Kosher without compromise
The system was built from the ground up for a filtered environment: email only, a clean text mode, filter compatibility. We didn't add kashrut to a solution — we built a solution out of kashrut.
Built in the field
Every feature was born from a real need we experienced ourselves as a working firm — not from a marketing deck. We are our own first customer, every day.
Respect for your time
Onboarding in minutes, a digest email instead of a flood, and voice-note transcription that saves the listening. The tool should work for you — not the other way around.
What we built for ourselves — now yours too
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