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Sam Youssef

Co-founder & CEO, Valsoft

Vertical market software

Sam Youssef co-founded Valsoft, the Montreal company that buys and holds vertical market software businesses, with Steph Manos in 2015, and is its CEO. Youssef and Manos graduated from Concordia University with computer-engineering degrees in 2004. Youssef has said the model came from investing in Constellation Software and admiring its approach.

Sam hasn’t spoken on a TechTO, TechVancouver or TechWaterloo stage. This profile is here because Sam co-founded Valsoft.

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Quick answers

Who founded Valsoft?

BetaKit reported on 2025-01-03 that Valsoft was founded in 2015 by current CEO Sam Youssef and Steph Manos. Valsoft's own leadership page, checked on 2026-09-24, lists Youssef as Founder and CEO and Manos as Founder.

Where did the idea for Valsoft come from?

The Globe and Mail reported on 2024-01-19 that Youssef bought shares in Constellation Software, liked its model of buying small software companies with few competitors, and set out with Manos to follow the same playbook.

How has Valsoft grown under Youssef?

BetaKit reported on 2024-01-19 that Youssef, as CEO and co-founder, said the firm had more than doubled its business in the previous two years. BetaKit reported on 2025-01-03 that Valsoft raised a US$150 million growth round after nearly 20 acquisitions in 2024.

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Maintained by TechTO · facts sourced and dated · last reviewed Sep 24, 2026