Allegion plc Acquires Krieger Specialty Products LLC

Allegion Acquires Next Door Company

February 4, 2025

Building Products

Allegion plc has acquired the business and operations of Next Door Company, a privately held Miami-area manufacturer of stainless steel and hollow metal doors. The deal expands Allegion's specialty door solutions and integrates Next Door into Allegion Americas to leverage Allegion's manufacturing, specification and distribution scale; terms were not disclosed.

Allegion Acquires UAP Group Limited

August 6, 2025

Building Products

Allegion plc has acquired UAP Group Limited, a Bury, England–based designer and supplier of residential door and window hardware founded in 1996. UAP — which holds nearly 200 patents, trademarks and registered designs — will report into Allegion's International segment and UAP CEO David Jennings will join Allegion; terms were not disclosed. The sale represents an exit for private equity owner Maven (including its Buyout Fund and Maven Investor Partners).

Allegion Acquires Trimco Hardware

April 2, 2025

Building Products

Allegion plc has acquired Trimco Hardware, a privately held Oceanside, California manufacturer of commercial and institutional door hardware. The purchase expands Allegion’s Americas product portfolio and integrates Trimco’s specialty and patented mechanical door solutions into Allegion’s Americas segment; terms were not disclosed.

Allegion plc Acquires Unicel Architectural Corp.

June 11, 2024

Building Products

Allegion plc has acquired Unicel Architectural Corp., a Quebec-based manufacturer of advanced glass, timber and aluminum building solutions. The acquisition will expand Allegion's core non-residential portfolio and specification capabilities across healthcare, education, government and other institutional markets in Canada and the U.S.; financial terms were not disclosed.

Allegion Acquires DCI Hollow Metal on Demand

March 4, 2026

Manufacturing

Allegion plc, through a subsidiary, acquired privately held DCI Hollow Metal on Demand (DCI). DCI is a U.S. manufacturer of custom, quick-ship hollow metal doors and frames serving industrial, commercial, and institutional customers. DCI will operate within Allegion’s Americas segment, and DCI CEO Bob Briggs will remain involved in an advisory capacity during the transition period.

Allegion Acquires SOSS Door Hardware

October 18, 2024

Building Products

Allegion plc, through a subsidiary, has acquired SOSS Door Hardware, the longtime manufacturer of concealed (invisible) hinges and premium door hardware. SOSS will report into Allegion Americas to expand Allegion's door hardware portfolio and complement brands such as Ives, Glynn-Johnson and Zero International; terms were not disclosed.