Add-on Acquisition • Business Services

Gallagher Acquires Dion Leadership

On August 4, 2025, Gallagher acquired business services company Dion Leadership

Acquisition Context
  • This is Gallagher’s 82nd transaction in the Business Services sector.
  • This is Gallagher’s 427th transaction in the United States.
  • This is Gallagher’s 13th transaction in Michigan.

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M&A Deal Summary

Date August 4, 2025
Target Dion Leadership
Sector Business Services
Buyer(s) Gallagher
Deal Type Add-on Acquisition

Target Company

Dion Leadership

Novi, Michigan, United States
Dion Leadership provides leadership coaching, management training programs, talent assessment and organizational development consulting services to clients in a variety of industries. Dion Leadership is based in Novi, Michigan.
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Buyer Overview 1

Buyer

Gallagher

Rolling Meadows, Illinois, United States

Category Company
Founded 1927
Sector Insurance
Employees56,000
Revenue 11.6B USD (2024)
DESCRIPTION
Gallagher's headquarters in Rolling Meadows, Illinois.
Gallagher's headquarters in Rolling Meadows, Illinois.

Gallagher is an international insurance brokerage and risk management services firm. Gallagher has operations in 27 countries and offers its services in more than 140 countries around the world through a network of correspondent brokers and consultants. Gallagher was incorporated in 1927 and is based in Rolling Meadows, Illinois.


Deal Context for Buyer #
Overall 575 of 581
Sector: Business Services 82 of 83
Type: Add-on Acquisition 545 of 549
State: Michigan 13 of 14
Country: United States 427 of 431
Year: 2025 20 of 26
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-07-17 Equinox Benefits Consulting

Emmaus, Pennsylvania, United States

Equinox Benefits Consulting is an employee health and benefits consulting firm. Equinox Benefits Consulting was founded in 2005 and is based in Emmaus, Pennsylvania.

Buy -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-08-05 MACK Insurance Services

Australia

MACK Insurance Services is a commercial insurance broker with a focus on the agriculture sector.

Buy -