Ernst & Young (EY US) Acquires Zilker Technology

Ernst & Young (EY) Acquires Sonoma Partners

March 22, 2018

Consulting

Ernst & Young LLP (EY) has acquired Chicago-based Sonoma Partners, a consulting firm specializing in Microsoft Dynamics CRM and Salesforce CRM solutions. The deal brings more than 100 Sonoma practitioners into EY's U.S. Digital, Data and Analytics practice to expand EY's CRM and digital transformation delivery capabilities.

Ernst & Young (EY) Acquires Aqurance A.E.

October 13, 2025

Professional Services

The EY organization has acquired Aqurance A.E., a Greece‑headquartered Veeva services partner, to strengthen EY's Veeva Centers of Excellence and expand clinical, regulatory and commercial platform capabilities for life sciences clients. The acquisition combines EY's global transformation and regulatory expertise with Aqurance's deep Veeva Vault and CRM implementation experience to accelerate platform migrations, compliance and AI-enabled data use across pharma and biotech clients.

Baker Tilly US, LLP Acquires Seiler LLP

May 16, 2024

Accounting & Tax

Baker Tilly US, LLP has acquired Seiler LLP, an advisory, tax and accounting firm based in the San Francisco Bay Area, effective July 1, 2024. The acquisition strengthens Baker Tilly's Bay Area presence and enhances its private wealth and ultra‑high‑net‑worth client capabilities following a recent strategic investment from Hellman & Friedman and Valeas Capital Partners.

AccountabilIT Acquires Enterprise Technology Services (ETS)

January 8, 2021

IT Services

AccountabilIT, a Scottsdale-based managed IT and cybersecurity firm, has acquired Enterprise Technology Services (ETS), a managed services provider in Arizona. The acquisition expands AccountabilIT's cloud, cybersecurity and hardware/software resale capabilities while extending both companies' presence in Arizona and national markets and creating growth opportunities for the combined ~160 employees.

Arthur J. Gallagher & Co. Acquires Zayla Partners, LLC

July 1, 2024

Consulting

Arthur J. Gallagher & Co. has acquired Katy, Texas–based Zayla Partners, LLC, an executive compensation and governance consultancy. The Zayla leadership team (Chris Crawford, Ian Keas and colleagues) will remain in their current locations and join Gallagher's employee benefits consulting and brokerage operations to strengthen HR and compensation consulting capabilities.

Accenture Acquires Yesler

April 2, 2020

Marketing & Advertising

Accenture has acquired Yesler, a Seattle-based B2B marketing services agency with more than 400 employees and offices in Portland, Philadelphia, London, Toronto and Singapore. The undisclosed deal bolsters Accenture's B2B marketing capabilities, adding strengths in account-based marketing, customer advocacy, sales enablement and marketing automation.