How many acquisitions has Willdan made so far?

Willdan has completed 13 acquisitions so far, with an average acquisition amount of $107M.

In which year did Willdan make the most acquisitions?

Willdan was most active in 2019, with 3 acquisitions completed in that year.

List of 13 Acquisitions by Willdan (Nov 2026)

Q: Which is Willdan's latest acquisition?

Willdan's most recent acquisition is Mantis Innovation Group, a Provider of energy procurement and facility management solutions. They offer services encompassing energy procurement strategies, including renewable energy integration and demand response programs. Facility management services cover asset management for roofs, pavements, and HVAC systems, as well as building automation and sustainability consulting. Their solutions are tailored to various industries, including data centers, manufacturing, and healthcare. The company assists clients in optimizing energy usage, reducing costs, and improving operational efficiency through data-driven approaches and proactive maintenance strategies., acquired in September 2026.

Willdan has made a total of 13 acquisitions. These acquisitions span 4 sectors: Smart Grid, Facility Management Tech, Construction Management Services, and a fourth sector, all located within United States. Peak activity occurred in 2019 with 3 acquisitions, while 2025 and 2026 each saw 2 acquisitions. The average number of acquisitions per year from 2020 to 2025 is 0.4, with 2 acquisitions completed during the current calendar year. The latest acquisition is Mantis Innovation Group, a Houston-based provider of energy procurement and facility management solutions founded in 2007. The company offers services ranging from renewable energy integration to building system asset management, with the acquisition finalized in September 2026.

Here's the year on year acquisition history of Willdan:

Number of Total Acquisitions

Year	# Acquisitions
2026	2
2025	2
2019	3
2018	1
2017	1
2016	1
2015	1
2008	1
1999	1

View all Acquisitions by Willdan

Recent acquisitions by Willdan

Willdan's most recent acquisition - Mantis Innovation Group is a Provider of energy procurement and facility management solutions. They offer services encompassing energy procurement strategies, including renewable energy integration and demand response programs. Facility management services cover asset management for roofs, pavements, and HVAC systems, as well as building automation and sustainability consulting. Their solutions are tailored to various industries, including data centers, manufacturing, and healthcare. The company assists clients in optimizing energy usage, reducing costs, and improving operational efficiency through data-driven approaches and proactive maintenance strategies., founded in 2007 and located in Houston. Willdan acquired a 100% stake in it in September 2026 for a price of $*****.

Here is the list of all acquisitions by Willdan sorted by the latest acquisition date:

Acquired on	Acquired Company	Acquisition Price	Facilitators	Stake Acquired	Acquisition Multiple
Sep 23, 2026	Mantis Innovation Group	zsow	lyak	90	564
May 05, 2026	Burton Energy Group	kocx	utma	88	851
Nov 22, 2025	Compass Muni	wbeb	myul	88	328
Feb 04, 2025	Alpha Inspections LLC	bfya	kwyy	23	274
Oct 30, 2019	E3	bv{o	hbn{	81	605