About
A consulting practice focused on design, engineering, automation, and AI.
Principal
Ari Zade
Ari is a design engineer and prototyper with a decade of experience across software, product, and fabrication. As the founder and principal consultant at Arithmetic, he works with founders and organizations to move ideas from concept to working product — spanning mobile apps, AI tooling, physical hardware, and everything in between. He is based in Brooklyn.
How we work
Structured engagement, direct collaboration, clear outcomes.
- 1
Understand
Clarify goals, constraints, and success criteria. No solution before the problem is defined.
- 2
Scope
Define deliverables, timeline, and engagement model. Fit the approach to the need.
- 3
Execute
Hands-on delivery with clear communication. You work directly with our team.
- 4
Transfer
Documentation, handoff, and optional ongoing support. You keep full ownership.