Mergers & Acquisitions

Relation Insurance Services Acquires the Assets of Sleeper Sewell Insurance and Hires Industry Veteran Vincent Bell

Walnut Creek, CA., February 10, 2022Relation Insurance Services, Inc. (“Relation”), one of the largest and fastest-growing national insurance agencies, announced today it acquired the assets of Dallas, Texas-based Sleeper Sewell Insurance (“Sleeper Sewell”). Terms of the transaction were not disclosed.

Sleeper Sewell was originally founded in 1962 and has a long track record of serving the Dallas community. Presently, Sleeper Sewell offers a full suite of employee benefits, commercial lines, and personal lines products to companies and individuals across the Dallas-Fort Worth Metroplex. Sleeper Sewell’s clients consist of individuals and businesses across a broad spectrum of industries that include industrials, financial institutions, manufacturing, restaurants, transportation, and life science. All principals and employees of Sleeper Sewell, including Myles Mendenhall, President and Michael Darnell, Executive Vice President, will continue with Relation.

Sleeper Sewell was majority-owned by insurance industry veteran D. Michael Sherman, who led the management-buyout of Sleeper Sewell from The American National Bank of Texas in 2018. Mike Sherman will continue to advise Sleeper Sewell and Relation.

“Sleeper Sewell brings a strong track record of growth, specialized experience, and a dynamic team,” said Tim Hall, EVP & Head of M&A of Relation. “We are excited to partner with Sleeper Sewell and Mike Sherman to extend services to families and businesses in the Dallas area and surrounding markets.”

In conjunction with the acquisition of Sleeper Sewell, Relation is excited to announce the hiring of Vincent (Vince) Bell as Vice President in its Dallas office. Vince previously served as President of Bell Insurance Group, a long-standing insurance brokerage firm in Dallas. Vince will lead the further development of Relation’s P&C practice in Dallas, producer recruiting efforts and acquisition sourcing.

“Vince is a tremendous addition to Relation and his intimate knowledge of the Dallas market will allow us to further establish our presence throughout the region,” said Russell Brown, Chief Revenue Officer of Relation.

About Relation Insurance Services

Relation Insurance Services is an insurance brokerage that offers superior risk-management and benefits-consulting services through its family of brands across the United States. It is ranked by Insurance Journal within the top 30 largest agencies in the country by revenue and has approximately 1,200 employees across more than 150 locations nationwide. Relation is a privately held corporation backed by Aquiline Capital Partners, a private equity firm based in New York and London investing in businesses globally across financial services and technology. Visit for more information.


Tim Hall, EVP & Head of M&A

Relation Insurance Services

P: 312-714-7279

E: [email protected]