About
Union software, built by union people.
UnionOS brings together more than 75 years of building software for unions into one platform, so every union can find the right tools, get them running, and trust they’ll still be there in ten years.

Trusted by unions
From single locals to internationals, across the US, Canada and Australia.
- years building union software
- 75+
- years building union software
- union members served
- 4.5M
- union members served
- labor affiliates
- 450+
- labor affiliates
- countries served
- 3
- countries served











- + hundreds morelocals and councils
Our story
Three decades in the making.
1993
The first of our teams starts building software made only for unions.
1996
A second team starts serving union offices, hiring halls and training centers.
1998
Our own staff join a union, MGEU.
2014
A third team starts building cloud engagement software and a member app.
2025
Valsoft brings the teams under long-term ownership.
2026
UnionOS: one platform and one front door for every union.
The teams behind UnionOS
Long-standing union software teams, working as one.
UnionOS is built and supported by the teams behind three established union software products.
Since 1996 · United StatesHiring halls, out-of-work lists and training centers for the building trades.membertraksoftware.comPart of Valsoft
Backed for the long term.
Valsoft acquires mission-critical software companies and supports them for the long term. Founded in Montreal, it has spent more than a decade building a portfolio of essential vertical software businesses, each run with stability, autonomy and the resources to keep improving.
For unions, that means the teams, products and support you rely on stay put, and keep getting better.
- software companies
- 150+
- software companies
- industries served
- 20+
- industries served
- years acquiring and growing software
- 10+
- years acquiring and growing software
UnionOS brings together UnionWare, MemberTrak and UnionTrack, the union software companies in the Valsoft portfolio.
Get started
Find the right setup for your union.
Tell us what kind of union you are and what you need. We’ll recommend a UnionOS setup and connect you with a specialist. It takes about three minutes.