/ About us

Keelson.

A keelson is the beam that runs along the inside of a ship's keel. Nobody on deck ever sees it, but it's what keeps the ship steady in rough water. We liked it as a name for a company whose work mostly happens out of sight.

Why theflags?

Before radio, ships spoke to each other in flags. Each flag stands for a letter, and each also has a meaning of its own.

K, the first letter of our name, means "I wish to communicate with you". That felt right for a company that builds things to answer your messages. Each part of this site flies a flag that fits it, with its real meaning at sea.

How wework.

01

A small team in Cape Town.

We work with businesses all over South Africa, and we're happy to meet over coffee if you're nearby.

02

The builders answer.

The people who build your system are the ones who answer when you message.

03

Prices on the page.

You can see what things cost before you call us, and every build is quoted at a fixed price.

04

Yours to keep.

You own what we build, and it runs on accounts in your name.

Bo-Kaap, Cape Town, with Devil's Peak behindHome base

Whostarted it.

Keelson was started by Matt Jacobson, an AI engineer based in Cape Town. His work has been in building AI agents and WhatsApp assistants, and in AI security: testing how these systems can be tricked and making them hold up.

He's part of Anthropic's Cyber Verification Program, an access program for people doing security work with Anthropic's Claude models. He's also the one who'll answer when you message.

Matt
Matt Jacobson, founder
Based inCape Town, working all over SA
BackgroundAI engineering and AI security
Best way to reach usWhatsApp, usually the same day

Come sayhello.

Book a free 30-minute call on Zoom or the phone, or over coffee in Cape Town if you're nearby.