West Monroe Acquires The Hartsema Group

West Monroe Acquires Pace Harmon

November 4, 2020

IT Services

West Monroe, a national business and technology consulting firm, has acquired Pace Harmon, an IT and business transformation and outsourcing advisory firm based in McLean, Virginia. The deal — the largest in West Monroe's history — expands West Monroe's capabilities in IT strategy, business process outsourcing, procurement, and vendor management and establishes a Washington, D.C.-area office; the transaction closed on November 1, 2020.

West Monroe Acquires 2050 Partners

September 17, 2025

Consulting

West Monroe, a global business and technology consulting firm, has acquired 2050 Partners, an energy-focused consulting firm headquartered in the Bay Area. The acquisition expands West Monroe’s demand-side management, energy efficiency and regulatory advisory capabilities to help utilities manage rising load and meet decarbonization goals.

West Monroe Acquires 71 & Change to Scale Organizational Change Management Services

June 14, 2022

Consulting

West Monroe has acquired Portland-based change management consultancy 71 & Change, expanding the firm's organizational change management capabilities and nearly doubling its OCM team nationally. The acquisition adds change management methodologies and digital tools, strengthens West Monroe's West Coast presence, and brings additional leadership and talent to support growing client demand for transformation services.

Mercer Global Advisors Acquires Hart Capital Management

December 31, 2020

Financial Services

Mercer Global Advisors, a Denver-based national registered investment adviser, acquired Spokane-based wealth management firm Hart Capital Management, Inc., effective December 31, 2020. Hart's founder Craig W. Hart and a team of nine professionals (serving ~400 clients with ~$440M AUM) joined Mercer to gain scale, infrastructure and expanded service capabilities.

West Monroe Acquires Carbon Five

December 1, 2021

Professional Services

West Monroe has acquired Carbon Five, a product management, digital design, and software engineering firm, to expand its end-to-end digital product development capabilities. The deal adds nearly 100 designers, product managers, and engineers and complements West Monroe's recent acquisition of Verys as it builds a global product development platform.

Acrisure Acquires Heartland Payroll Solutions from Global Payments for $1.1B

May 28, 2025

Payments & Fintech

Acrisure has signed a definitive agreement to acquire Global Payments’ payroll business, Heartland Payroll Solutions, for $1.1 billion, a deal expected to close in the second half of 2025 subject to regulatory approvals. The acquisition will expand Acrisure’s payroll and HCM capabilities—bringing Heartland Payroll’s ~50,000 clients into Acrisure’s fintech ecosystem and advancing its strategy to broaden financial and back-office offerings for SMBs.