About · San Francisco · 2026
Infrastructure for trust.
We don't sell software. We sell trust. Computer and infrastructure come second.
bem at a glance
- Founded in 2022 by Antonio Bustamante and Upal Saha
- Headquartered in San Francisco
- Backed by Uncork Capital
- SOC 2, HIPAA, and GDPR
Who's behind bem.
The founders, the backers, and the teams running bem in production today.
- Founders
Antonio Bustamante & Upal Saha
Co-founders: Antonio is CEO, Upal is CTO. They started bem in San Francisco in 2022.
- Backed by
Uncork Capital
Lead investor in bem’s seed round. Read the announcement.
- Security
SOC 2 · HIPAA · GDPR
Reports, policies, and subprocessors are in the trust center.
Running in production at
Computer and infrastructure come second.
The enterprises that run the real economy run on documents that look like evidence and decisions that look like judgment. Claims. Invoices. Manifests. Policies. Files that pass through twelve hands before they settle into a record of fact. The software industry has spent forty years asking the world to be tidier. The world declined.
Every Fortune 500 has tried AI by now. None of them trust it to run the work that cannot fail. The gap between a model that can read a document and an institution that will sign on its output is the entire job. That gap is not a model problem. It is a trust problem.
Trust is the product. Predictability is how it is delivered. We build a substrate where each step is inspectable, each output is replayable against the schema that produced it, and each correction flows back into the system that made the call. The math is stochastic. The contract is not.
The compute matters. The model matters. They are infrastructure for the thing the customer actually buys, which is the ability to put their name on an answer and walk into a regulator's office without a folder of caveats. That is the order of operations. Trust first. Everything else underneath.
Brick by brick. Function by function.
We don’t build an agent. We build a small number of functions that do one thing each and compose into anything. Each function is auditable by itself. Each composition inherits the audit. The platform is the receipt of every step it took to arrive at an answer.
When a customer asks for a new behavior, the question we run is whether the behavior is already a composition of what exists. Usually it is. When it isn’t, we add one function, not a new platform.
- F-01Classifythe gate
- F-02Parsethe surface
- F-03Extractthe substance
- F-04Splitthe divisor
- F-05Jointhe connector
- F-06Enrichthe context
- F-07Payload Shapingthe contract
- F-08Renderthe document
- F-09Sendthe delivery
- F-10Evaluatethe check
- F-11Decidethe decision
Small functions, composed into every workflow. The boring answer to a question the industry keeps trying to make exciting.
We're going somewhere bigger.
The current product reads documents the rest of the industry refuses to touch and writes structured records the rest of the industry can’t verify. That is the foothold, not the summit.
Underneath, we are building a substrate that does not stop at extraction. The same functions that classify a claim and shape its payload also check it, deliver it, and stand behind the answer when an auditor walks in. We are not announcing what comes next. We are building it, function by function, until the shape becomes obvious.
The companies that run the world will need a layer they trust between the model and the ledger. We intend to be that layer.
- Founded
- 2022
- Headquarters
- San Francisco
- Compliance
- SOC 2 · HIPAA · GDPR
Build the trust layer with us.
Open roles below. We hire slowly and we hire people who want to live inside the problem for a long time. If a role looks right, the apply link goes straight to Ashby.
What we believe.
Five rules we used to write down for ourselves and now write down for everyone. They show up in how we hire, how we ship, and how we hold the line when a customer asks for the easy version of a hard answer.
- P-01
Strong opinions, weakly held.
Everyone has a stake in the direction. We debate rigorously, bring data to the table, and once a decision is made we execute with conviction. The argument ends at the commit. The work begins.
- P-02
First principles only.
Old playbooks were written for a world where software demanded a tidy input. That world is gone. We don’t copy patterns because they worked once. We build the context, then solve the problem in front of us.
- P-03
Signal over noise.
The AI market is saturated with theater. We ignore the demos and the discourse and focus on what shows up in a customer’s P&L. If it doesn’t ship or doesn’t change an outcome, it doesn’t exist.
- P-04
Disagreement nirvana.
No one is the most right person in the room by default. Intellectual honesty outranks hierarchy. We disagree, we commit, we learn. Then we do it again on the next decision.
- P-05
Act on smells.
If something looks wrong in the code, in the process, in the strategy, we don’t walk past it. Platforms that hold under load are built by teams that refuse to let small standards slide.
We are AI skeptics building the next generation of AI.
We are looking for realists. People who would rather build the hard, unglamorous layers that make AI actually work in production than ship another demo. If that's the kind of work you want to do, we want to know you.