Helium Ventures acquires That's The One

AUGUST 6, 2026

Helium Ventures acquires That's The One

TARGET

All-in-one wedding and event planning platform for professional planners, covering client collaboration, guest management, budgets, vendor coordination, timelines, floor plans, and day-of operations.

Ownership	VC-backed
Investors	Playfair Capital, VentureFriends, Colin Cowie (angel)
Capital raised	$2M
Headquarters	London, United Kingdom
Leadership	Kat Trefilova, Founder and CEO
Sell-side advisor	—

ACQUIRER

Helium Ventures

Wedding technology portfolio company / consolidator

Ownership	Founder-owned
Headquarters	San Francisco, California
Leadership	Priyank Singh, Co-Founder
Buy-side advisor	—

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Helium Ventures -> That's The One  (2026-09-11)
consolidator_acquisition | Hospitality/Restaurants | announced
Target: All-in-one wedding and event planning platform for professional planners, covering client collaboration, guest management, budgets, vendor coordination, timelines, floor plans, and day-of operations.
Website: thatstheone.com | Buyer site: heliumventures.co
HQ: London, United Kingdom | Ownership: vc-backed | Buyer ownership: founder-owned
Advisors - not yet credited
Source: Thematic - https://thematichq.com/software/d/helium-ventures-that-s-the-one.html

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