White Mountains Partners Acquires Majority Stake in Enterprise Solutions

Superior Environmental Solutions Acquires Mountain Environmental Services

January 30, 2023

Industrial Services

Superior Environmental Solutions (SES), a Rosewood Private Investments portfolio company, has acquired Canton, North Carolina–based Mountain Environmental Services. The add-on expands SES’s geographic footprint into the Carolinas, Georgia and Virginia and broadens its environmental remediation, emergency response and industrial cleaning capabilities.

SRM Equity Partners Partners with Stone Enterprises

September 22, 2025

Manufacturing

SRM Equity Partners has made a strategic investment in Stone Enterprises, a precision manufacturer of aftermarket parts and equipment for the food processing industry, with founder Tracy Stone retaining a meaningful equity stake and remaining as CEO. The partnership will provide operational resources and capital to scale the business, expand solutions, invest in technology, and pursue strategic acquisitions across North America.

Potomac Equity's Watermark Solutions Merges with Synergy Resources to Form WM Synergy

August 21, 2023

IT Services

Potomac Equity Partners provided additional capital to its portfolio company Watermark Solutions to merge with Synergy Resources, creating WM Synergy — an expanded ERP, technology and cloud hosting provider serving manufacturers and distributors. The combined business will offer Infor, Acumatica and Hexagon ERP implementations, managed hosting and related consulting services across North America; financial terms were not disclosed.

eProductivity Software Acquires Enterprise Print Management Solutions (EPMS)

August 29, 2024

Software

Pittsburgh-based eProductivity Software (ePS) has acquired U.S.-based Enterprise Print Management Solutions (EPMS), a management information system (MIS) software provider founded in 1989 that serves over 200 customers in North America. The deal expands ePS’s product portfolio and strengthens its leadership in the SMB print and packaging MIS market by integrating EPMS’s customer base and technology into ePS’s global offerings.

Consulting Solutions Acquires Empyrean Services and The Empyrean Group

May 18, 2022

Energy

Consulting Solutions, a portfolio company of White Wolf Capital, has acquired Empyrean Services and The Empyrean Group, two Pittsburgh-based providers of engineering and consulting services to the nuclear and non-nuclear power-generation industries. Empyrean will operate as a standalone division within Consulting Solutions to expand the platform's energy-focused engineering and workforce solutions capabilities.

White Mountains Acquires Majority Interest in Ark Insurance Holdings

October 1, 2020

Insurance

White Mountains Insurance Group agreed to invest $605 million of equity (at a $300 million pre-money valuation) and purchase $41 million of shares from existing owners to acquire a majority interest in Ark Insurance Holdings, the parent of Ark Syndicate Management Ltd. The capital raise will give White Mountains ~72% ownership at closing (63% fully diluted), with a commitment to contribute up to an additional $200 million in 2021 to substantially expand Ark's Lloyd's capacity, convert its Bermuda reinsurance entity, and hire underwriting talent.