Six practices.
One firm.
OTBX is organized around six tightly coupled practices, each led by a partner or principal. Engagements draw the right combination — never more than necessary, never less than your problem deserves.
Our service map.
Click into any practice for the full picture — deliverables, typical engagements, technology, and the case studies that prove it works.
How we work together.
A short menu, deliberately. We work in three shapes — and the shape determines the commercials, not the other way around.
Discovery
2–4 weeksA tightly scoped diagnostic. Architecture review, AI-readiness audit, or modernization assessment.
- Senior partner-led engagement
- Written deliverable & target architecture
- Executive briefing and roadmap
- Optional engineering deep-dive
Build
3–9 monthsOutcome-priced engineering with an embedded OTBX squad. The bulk of our work, and our most measurable.
- Embedded senior engineering team
- Outcome-priced milestones
- Production-quality deliverables
- Client engineering enablement
- Joint runbooks and ownership transfer
Run
12+ monthsMulti-year partnership for clients running OTBX-built systems in production. Senior on-call, evolution, and strategic counsel.
- Named senior on-call engineering
- Quarterly architecture reviews
- Evolution and continuous modernization
- Executive advisory access
Tell us what you are building.
Five minutes of structured questions and we will be back with you within one business day.