Add-on Acquisition • Business Services

ABM Acquires WGNSTAR

On December 17, 2025, ABM acquired business services company WGNSTAR from Perwyn for 275M USD

Acquisition Context
  • This is ABM’s 14th transaction in the Business Services sector.
  • This is ABM’s 5th largest (disclosed) transaction.
  • This is ABM’s 1st transaction in Ireland.

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M&A Deal Summary

Date December 17, 2025
Target WGNSTAR
Sector Business Services
Buyer(s) ABM
Sellers(s) Perwyn
Deal Type Add-on Acquisition
Deal Value 275M USD

Target Company

WGNSTAR

Maynooth, Ireland
WGNSTAR is a provider of support services to the semiconductor industry. Westerwood Global business delivers a broad range of maintenance and managed service solutions within and outside the cleanroom. WGNSTAR is based in Maynooth, Ireland.
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Buyer Overview 1

Buyer

ABM

New York, New York, United States

Category Company
Founded 1909
Sector Business Services
Employees100,000
Revenue 8.4B USD (2024)
DESCRIPTION

ABM is a provider of end-to-end integrated facility solutions services to commercial, governmental, industrial, institutional, retail, and residential facilities located primarily throughout the United States. The Company’s comprehensive capabilities include expansive facility solutions, energy solutions, commercial cleaning, maintenance and repair, HVAC, electrical, landscaping, parking and security services, provided through stand-alone or integrated solutions. ABM was incorporated in 1909 and is headquartered in New York, New York.


Deal Context for Buyer #
Overall 21 of 21
Sector: Business Services 14 of 14
Type: Add-on Acquisition 18 of 18
Country: Ireland 1 of 1
Year: 2025 1 of 1
Size (of disclosed) 5 of 10
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2024-06-24 Quality Uptime Services

Bethel, Connecticut, United States

Quality Uptime Services provides preventative maintenance and emergency service programs for critical infrastructure, including uninterruptible power supplies (UPS), data centers, and other mission-critical facilities. Quality Uptime Services was established in 1998 and is based in Bethel, Connecticut.

Buy $119M

Seller Profile 1

SELLER

Perwyn

Investor Investor Investor Investor Investor


Category Family Office
Founded 2013
Size Small
Type Sector Agnostic
DESCRIPTION

Perwyn is a privately-funded investment firm that seeks to invest in development capital and buyout transactions of businesses valued from £100 to £500 million. Perwyn prefers to be the first round of institutional capital and will consider opportunities throughout the UK and Western Europe. In addition investing equity capital, Perwyn also provides flexible debt capital to companies, investing £5 to £25 million per deal. Perwyn was established in 2013 and is headquartered in London.


Deal Context for Seller #
Overall 5 of 5
Sector: Business Services 1 of 1
Type: Add-on Acquisition 1 of 1
Country: Ireland 1 of 1
Year: 2025 2 of 2
Size (of disclosed) 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-10-24 Agilitas IT Solutions

Nottingham, United Kingdom

Agilitas IT Solutions is a provider of IT outsourced inventory management solutions to IT maintenance companies and Original Equipment Manufacturers (OEMs) servicing the enterprise server, storage, and networking market. Agilitas IT Solutions was founded in 1990 and is based in Nottingham, United Kingdom.

Sell -