BrickFlip
PrivateLego-to-Amazon arbitrage software. Sourcing, pricing, and listing intelligence for a niche resale market.
Active Brains is the parent company where a father-and-son team explores, builds, and tests AI-powered products. Some remain experiments. Some grow into products. A few become independent companies.
Active Brains is a company and lab for building software. Our work is organised as a small, curated portfolio of ventures — each a real product with a real user, built by a small team, under one parent brand.
We are not a holding company and not an accelerator. We do the work ourselves: research, design, engineering, and operations all sit under one roof. When a venture is ready to stand on its own, we help it leave with its own team and its own cap table.
The thesis is narrow and unfashionable: most of the value in applied AI will be captured by teams who take small, specific problems seriously — and who are patient enough to build tools that people return to on a Tuesday.
Every venture shares a spine of practical infrastructure and a set of operating principles: disciplined experimentation, quiet interfaces, and an expectation that software should make someone’s week meaningfully better.
Our revenue comes from paying customers and long-term partnerships. Our research comes from our own work. Nothing is announced before it is ready.
A small, intentionally curated set of ventures. Some are commercial products, some are platforms, one has already left the nest. New work joins this list when it is ready — not when it is launched.
Lego-to-Amazon arbitrage software. Sourcing, pricing, and listing intelligence for a niche resale market.
A domain-name brokerage. Quiet acquisition, careful valuation, and patient representation on the other side of the table.
An iOS app for self-improvement built around a very small circle. Quiet accountability instead of public posting.
An AI dark factory. Production systems that run overnight, without human attention, with human-quality outputs.
Education and resources for the work that shouldn’t be automated — and the work that should, but carefully.
We don’t chase launches. We chase durable weekly use. The steps below describe how a rough idea becomes a product, and occasionally, a company.
A thesis, a problem, and a specific person we could help. Most ideas stop here, and that’s the point.
A small team makes a narrow prototype. We commit to a working version within six weeks.
Real users, real money, real time. We measure the thing that’s hard to fake — durable weekly use.
Most of the work happens here. Interfaces, models, and operations all tightened against contact with the world.
A venture either settles into our portfolio or leaves as an independent company with its own cap table.
We build tools people return to on a Tuesday — not demos that impress on a launch day.
Every venture starts with a specific job for a specific person. We resist the urge to generalise too early.
Our products should be understandable end-to-end — inputs, outputs, and the reasoning in between.
We fund our own experiments. Time and care are the things we spend most freely.
We read every message. The right person on our team will respond — not an inbox, not a form reply.
Thank you. Someone from Active Brains will reply within two business days, usually from a named person rather than a shared inbox.