BUILT FOR SEAFARERS

Built for life at sea.

We turn real-world maritime challenges into intuitive digital tools.

Product Design Engineering
OUR STORY

Built by Seafarers, for Seafarers.

Built by experience. Driven by purpose.

Build by 2 & One started with two maritime professionals who experienced firsthand the complexity and inefficiencies of life at sea.

With years of real-world experience, the goal was clear: create solutions that solve real problems — not theoretical ones.

To bring that vision to life, a third element was essential — the builder. The one who transformed industry knowledge into a working digital product.

Today, we combine maritime expertise with technical execution to build simple, practical tools for real-world conditions.

LATEST PROJECT
Meet Wave

The first product built by seafarers, for seafarers.

Visit Wave
Certificate Vault
Every STCW, GMDSS, Flag State Certificate — stored, tagged, and expiry-tracked.
Sea Service Tracker
Keep track of your sea service, experience and rank progression.
Offline-First
Works at sea, even with no connection. Syncs automatically when you're back online.
9:41

Sea Service Records

Your total sea service
4 Years
3 months, 23 days
Next rank: Chief Officer 8 mo left
65% complete
Service Records
MV Star
Chief Officer · 12 months
Energy Star
2nd Engineer · 8 months
Atlantic Star
3rd Officer · 15 months
Valid
STCW II/2
CERTIFICATE OF COMPETENCY
Master Mariner
ISSUED
Jun 2024
EXPIRES
Jun 2029