TAG Software Group acquires UnionTrack

● STRATEGIC | HR/PAYROLL · Unions & Associations

AUGUST 25, 2026

TAG Software Group (Valsoft) acquires UnionTrack (Greenridge)

TARGET

Member dues, communications, grievance tracking, and organizing software for labor unions and labor associations across North America.

Ownership	PE-backed · Greenridge Growth Partners (prior owner); Greenridge Growth Partners
Headcount	15 FTEs
Headquarters	Rockville, Maryland
Leadership	Ken Green, Founder and CEO
Sell-side advisor	—

ACQUIRER

TAG Software Group

Valsoft subsidiary and serial acquirer focused on union and association management software

Ownership	PE-backed · Valsoft Corporation; Viking Global Investors, Coatue, Portage Capital Solutions, PROPELR Growth
Capital raised	$420M
Headquarters	Montreal, Canada
Deal team	Thomas Keenan, Investment Partner (Valsoft Corporation) Aidin Mohsenin, Investment Partner (Valsoft Corporation) Luke Partridge, M&A Director, UK & Ireland (Valsoft Corporation) Matteo Di Quinzio, M&A Director EU (Valsoft Corporation) Valeria Rother, Portfolio Manager, LATAM (Valsoft Corporation) Mo Saliem, Portfolio Manager (Valsoft Corporation) Atom Kancachian, M&A Associate (Valsoft Corporation) Vincent Gudas, M&A Analyst (Valsoft Corporation) Harrison Waddell, M&A Analyst (Valsoft Corporation) Tim Vittanachchi, M&A analyst (Valsoft Corporation) Lucas Canieli, M&A Associate & Business Transformation (Valsoft Corporation)
Leadership	Costa Tagalakis, Managing Partner
Board seats	Costa Tagalakis, Managing Partner, TAG Software Group (Valsoft Corporation)
Buy-side advisor	—

Share deal Copy details View press release ↗

TAG Software Group -> UnionTrack  (2026-09-18)
add_on | HR/Payroll | closed
Target: Member dues, communications, grievance tracking, and organizing software for labor unions and labor associations across North America.
Website: uniontrack.com | Buyer site: valsoftcorp.com
HQ: Rockville, Maryland | Ownership: pe-backed | Seller: Greenridge Growth Partners | Buyer sponsor: Valsoft | Buyer ownership: pe-backed
Advisors - not yet credited
Source: Thematic - https://thematichq.com/software/d/tag-software-group-uniontrack.html

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