Buyout DeskBDVol. II · No. 142  ·  Fri, May 22, 2026ARCHIVED ·  2 deals tracked  ·  Updated 25 hr ago

Buyout Desk

Private equity, daily
Add-on·Software/Cybersecurity·May 18, 2026

Insero Advisors adds Actel Advisory Group

Adds 11 employees and a Rochester-based market intelligence practice serving Fortune 100, private equity and private company clients across multiple sectors.

Rochester-based Insero Advisors acquired Actel Advisory Group, adding market research and strategy consulting capabilities to its advisory services business, with Rallyday Partners backing the buyer.

The transaction brings in an 11-person team that operates nationally from Rochester, New York.

Founded in 1989, Actel provides primary research, market intelligence and strategic advisory work for companies, investors and executives.

Its services include voice-of-customer research, market assessments, competitive benchmarking, growth strategy and custom intelligence.

Actel’s client base includes Fortune 100 companies, private equity firms and privately held businesses.

The firm works across aerospace, healthcare, manufacturing, energy, software and logistics.

Insero provides accounting, tax and advisory services and employs about 160 professionals across Rochester and Ithaca.

The firm operates through an alternative practice structure, with Insero & Co.

CPAs, LLP providing attest services and Insero Advisors, LLC providing business advisory, tax and other non-attest services.

Rallyday Partners backs Insero as a portfolio company.

Actel Managing Director Pat Dinolfo remains part of the combined advisory business, with the firm’s client-service model continuing under Insero.