Most companies are built to do one thing. A holding company is built to hold things: businesses, research programs, property, whatever earns a place. That sounds like an accounting structure. For us it is a decision about time.
A single company is judged on its next product, its next quarter, its next round. A holding company can be judged on something slower: whether the things it holds are better for having been held. That changes what you are allowed to do. You can spend a year understanding a system before touching it. You can build tooling that pays off in the third company rather than the first. You can decline a fast exit because the asset is worth more to you in year fifteen than to anyone in year two.
USK Group LLC is organized as a holding company for that reason. It began with technology, because that is where the founding capability is deepest and where the systems are changing fastest. Its first operating company, Gerfach Labs, studies the security of AI agents and the tool surfaces they expose. But the parent is not a technology company. It is a structure for holding consequential work, and the next thing it holds may look nothing like the first.
Three rules follow from the structure. The parent keeps what its companies learn, so capability compounds across industries rather than leaking out with each exit. Nothing is listed before it exists, so the structure stays honest about its own size. And every company is expected to earn its own name, its own market and its own accounts before it is called a company at all.
That is the whole idea. Hold things well, for a long time, and let the holding do the compounding.