Who we are.
Dexilion was built for a founder we kept meeting — sometimes a startup, sometimes an established business. Agencies and advisors promised them the world and left them with nothing they could use: an MVP that worked in the demo, until real users broke it in the first week. The money was spent, and there was no realistic way to claw it back. We created Dexilion to take the execution risk off their hands, so they could focus on growing the business.
The way we work follows from that story. The engineers who scope your work are the engineers who build it: senior people, no hand-off to a second team. Verification runs inside the delivery loop, so the progress you see is progress that survives contact with real users. And we know you're busy but still want eyes on progress, so you never have to chase us: we tell you what's done, what's next, and which decisions are waiting on you.
- Founded
- 2024
- Launches
- 10+ / 12 months
- First delivery
- 2 weeks avg
- Experience
- 20+ years
Four rules we hold to.
Fixed price or time-based depends on the project; who controls the cost never does. You see what a scope costs before we build it, and the number moves only when you decide it should. When we misjudge the effort inside an agreed scope, the difference is on us.
If what we deliver cannot achieve what we promised, we fix it for free. Holding to this forces us to argue for focused scopes and real results, not just blindly follow.
Standard tooling, no proprietary abstractions, a repo and infrastructure any competent team can take over. Plus a written list of what will hurt later. We give up every mechanism vendors use to make leaving expensive.
The expensive failures are rarely bugs. They are early decisions that force a rebuild a year later. Within the conditions we agree up front, no decision of ours will force a rewrite. Growth can demand rework; our choices never will.
Behind Dexilion.
Mark Tolmacs — portraitMark has been building software and managing products for more than twenty years. He spent most of that at Ustream — the pioneer of live broadcasting — through to its successful exit, then stayed on at IBM managing AI video products.
These days he builds within the Hungarian startup scene, most recently as co-founder of Plukkido, a VC-funded edutech company. At Dexilion, he is the person who scopes your work, runs it, and answers for it.
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