D-Tools acquires Portal.io

AUGUST 27, 2026

D-Tools, Inc. (Greybull Stewardship) acquires Portal.io

TARGET

Proposal creation, product catalog, and payment software for AV, security, and IT integration dealers and installers.

Ownership	Founder-owned
Capital raised	$3.5M
Headcount	15 FTEs
Headquarters	Chicago, Illinois
Leadership	Kirk Chisholm, Founder & CEO
Sell-side advisor	—

ACQUIRER

D-Tools, Inc.

End-to-end business management software platform for residential, commercial AV, security, and low-voltage systems integration contractors

Ownership	PE-backed
Parent	Greybull Stewardship
Investors	—
Headquarters	Reno, Nevada
Leadership	G Paul Hess, Chief Executive Officer
Buy-side advisor	—

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D-Tools, Inc. -> Portal.io  (2026-08-28)
add_on | Field Services | announced
Target: Proposal creation, product catalog, and payment software for AV, security, and IT integration dealers and installers.
Website: portal.io | Buyer site: d-tools.com
HQ: Chicago, Illinois | Ownership: founder-owned | Buyer sponsor: Greybull Stewardship | Buyer ownership: pe-backed
Advisors - not yet credited
Source: Thematic - https://thematichq.com/software/d/d-tools-inc-portal-io.html

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