Dillon Consulting Acquires Internat Energy Solutions Canada

Integrated Energy Services Acquires MACH Energy

June 24, 2019

Energy

Integrated Energy Services (iES), a portfolio company of Gainline Capital Partners, has acquired MACH Energy, an energy management and sustainability software platform. The combination brings together iES's grid-relationship management and demand response capabilities with MACH's building energy analytics to expand product capabilities, improve grid resiliency, and accelerate growth across commercial building customers.

EIS Holdings Acquires Eagle Environmental Consulting

October 27, 2022

Environmental Services

EIS Holdings, LLC acquired Eagle Environmental Consulting, Inc., a Wheat Ridge, Colorado-based environmental consulting firm, expanding EIS’ remediation and environmental services footprint into the Northwest (Colorado and New Mexico). The deal is EIS’ second strategic acquisition in 2022 as the company continues building a national environmental remediation and infrastructure platform.

Apax Global Impact Fund Acquires Controlling Stake in Integrated Environmental Solutions (IES)

February 27, 2024

Software

The Apax Global Impact Fund, advised by Apax Partners LLP, will acquire a controlling stake in Integrated Environmental Solutions (IES), a climate‑tech company that provides building performance simulation software and consultancy to decarbonise the built environment. The investment—Apax Global Impact's first climate‑focused deal—will support IES's growth and scale its software and services to meet rising demand for sustainability solutions in building design, retrofit and operation.

DNV GL Acquires Energy & Resource Solutions (ERS)

December 30, 2020

Energy

DNV GL acquired Energy & Resource Solutions, Inc. (ERS), a North Andover, Massachusetts–based energy engineering and consulting firm, with the transaction closing on December 30, 2020. The acquisition brings ERS’s program design, outreach, implementation and evaluation capabilities into DNV GL’s global energy advisory platform to accelerate the energy transition and expand services for utilities, government and large commercial/industrial customers.

SSOE Group Acquires Integrated Engineering Services (IES)

October 13, 2023

Engineering Services

SSOE Group has acquired Santa Clara–based Integrated Engineering Services (IES), effective October 13, 2023. The acquisition adds IES's expertise in cleanroom design, lab and industrial ventilation, specialty/toxic gas distribution and process chemical systems, while preserving IES's team and expanding SSOE's presence in Santa Clara, Atlanta and Austin.

GDI/Ainsworth Acquires Gestion E.C.I. Inc. (Énergère) and Launches Ainsworth Energy & Technology Solutions

January 21, 2022

Energy

Ainsworth Inc., a subsidiary of GDI Integrated Facility Services Inc., acquired Gestion E.C.I. Inc. (doing business as Énergère) effective January 21, 2022. Following the acquisition, Ainsworth launched a new business unit, Ainsworth Energy & Technology Solutions, to integrate Énergère’s energy engineering and smart-cities capabilities across GDI/Ainsworth’s North American platform.