Stax LLC Acquires London-Based AMR International

Grant Thornton Advisors Acquires Stax

September 22, 2025

Professional Services

Grant Thornton Advisors LLC has closed its transaction to acquire Stax, a strategy consulting firm focused on commercial due diligence, value creation, and exit-planning services for private equity firms and their portfolio companies. The deal adds Stax’s ~300 team members to Grant Thornton Advisors’ multinational transaction advisory platform, with the combined firm serving almost 70% of the U.S.-based Private Equity International 300.

BlueMatrix Acquires RMS Partners Business from FactSet

September 16, 2025

Software

BlueMatrix has acquired the RMS Partners business ("RMS"), a global investment research software platform, from FactSet. The deal expands BlueMatrix's international footprint across EMEA and APAC, deepens its investment research product offering, and establishes an enhanced commercial agreement with FactSet making FactSet a preferred data provider.

Astrix Acquires Blue Ocean Informatics

August 20, 2025

Healthcare Services

Astrix has closed its acquisition of Blue Ocean Informatics, adding specialized lab informatics and LabWare expertise to its life science consulting offerings. The deal expands Astrix's laboratory informatics bench and service capabilities for pharmaceutical, research, and life sciences clients; integration begins immediately with no expected service disruptions.

Astorg Acquires Majority Stake in Steliau

February 26, 2024

Industrial Services

Astorg, a European private equity firm, has signed an agreement to acquire a majority stake in Steliau, a pan-European value-added distributor (VAD) of electronic solutions, from B&Capital. Steliau, founded in 1992 and headquartered in Montrouge, France, employs more than 200 people across eight countries and will partner with Astorg to accelerate organic growth and execute a buy-and-build strategy.

Alliance for Multispecialty Research (AMR) Acquires Affinity Health

December 15, 2023

Healthcare Services

Alliance for Multispecialty Research (AMR) has acquired Affinity Health, a clinical research services provider founded in 2015. The deal adds Affinity's sites and eight principal investigators to AMR's network, expanding AMR's geographic footprint (including Chicago and Nashville) and strengthening its clinical trial capabilities and patient diversity.

Blue Point Capital Partners Invests in Stax

November 16, 2021

Consulting

Blue Point Capital Partners has made a platform (growth) investment in Stax, a data- and analytics-driven strategy consulting firm, to accelerate the firm’s growth, expand offerings and geographies, and support talent recruitment. Stax, founded in 1994 and headquartered in Boston with 200+ employees, will work with Blue Point to enhance its Data & Digital, Human Capital, and M&A Execution capabilities.