Amtivo Group Acquires International Standards Authority, Inc. (ISA)

ATIS (Thompson Street-backed) Acquires Technical Inspection Agency USA (TIA USA)

September 15, 2025

Professional Services

ATIS, a St. Louis-based provider of elevator and escalator inspections and consulting (backed by Thompson Street Capital Partners), has acquired Technical Inspection Agency USA (TIA USA), a Las Vegas–headquartered provider of vertical transportation inspections and consulting serving Nevada and Arizona. The deal expands ATIS’ national footprint and technical capabilities in complex vertical transportation systems; terms were not disclosed.

Amtivo Group Acquires Quality Systems Registrars

October 18, 2024

Professional Services

Amtivo Group has acquired Quality Systems Registrars (QSR), a US-based ANAB‑accredited certification body, to strengthen Amtivo's presence and capabilities in the United States. The deal expands Amtivo's sector expertise (notably aerospace and chemical Responsible Care) and brings QSR's client network and standards experience into the Amtivo platform.

Audax Strategic Capital Invests Growth Equity in Amtivo

September 4, 2024

Professional Services

Audax Strategic Capital (ASC) has made a common-equity growth investment in Amtivo, a London-based global B2B provider of accredited certification, training and assurance services that is a portfolio company of Charterhouse Capital Partners. The capital will support Amtivo’s future M&A activity and help fund geographic and potential product-line expansion; terms were not disclosed.

Charterhouse Capital Partners Acquires Majority Stake in Amtivo

July 4, 2022

Professional Services

Charterhouse Capital Partners has entered into an agreement to invest in Amtivo, a London-headquartered provider of accredited certification, training and technology-enabled services. Charterhouse is acquiring Amtivo from August Equity (which will retain a minority stake), and will work with management to drive organic growth and continue an acquisition-led expansion strategy.

IFS Acquires Astea International

December 11, 2019

Software

IFS has completed the acquisition of 100% of the shares of Astea International, a global field service management software provider headquartered in Horsham, Pennsylvania. The deal expands IFS's field service management capabilities and global footprint; Astea founder Zack Bergreen will serve as Senior Advisor while Marne Martin (IFS) will lead the combined service management business.

Align Capital Partners Acquires International Systems of America (ISA)

January 30, 2018

Industrial Services

Align Capital Partners (ACP) has acquired International Systems of America, LLC (ISA), a Louisville-based provider of fire and life safety testing, inspection services and parts, from Gen Cap America. Cleary Gull served as exclusive financial advisor to ISA; ACP said it will pursue organic growth and acquisitions to expand ISA’s national footprint and service capabilities.