Nonantum Capital Partners Acquires Ross-Simons

Nonantum Capital Partners Acquires Helix Traffic Solutions

August 17, 2021

Industrial Services

Nonantum Capital Partners, a Boston-based middle-market private equity firm, has acquired Helix Traffic Solutions, a leading U.S. provider of traffic management services, equipment rental, and sign installation. The investment will support Helix’s national expansion strategy and continued roll-up of founder-led traffic service businesses across the United States.

Nonantum Capital Partners Recapitalizes RoadOne IntermodaLogistics

January 8, 2019

Transportation

Boston-based private equity firm Nonantum Capital Partners completed a recapitalization of RoadOne IntermodaLogistics, partnering with founders Ken Kellaway and David McLaughlin to provide growth capital. The investment will support RoadOne's continued expansion and acquisition strategy for its coast-to-coast intermodal drayage, terminal operations, and transloading network.

Nonantum Capital Partners Acquires MSI Express from HCI Equity Partners

March 24, 2025

Food & Beverage

Nonantum Capital Partners, a Boston-based middle-market private equity firm, has acquired MSI Express, a Portage, Indiana–headquartered co-manufacturer and co-packer for food and beverage brands, from HCI Equity Partners. The deal closed March 24, 2025; financial terms were not disclosed. Nonantum said it will support continued growth and scaling of MSI's multi-facility operations.

Nonantum Capital Partners Acquires ProVest from Prairie Capital III

January 2, 2019

Professional Services

Boston-based private equity firm Nonantum Capital Partners has acquired ProVest Holdings, LLC, a Tampa-based legal support services provider, from Prairie Capital III. The transaction represents Prairie's successful exit and Nonantum's first acquisition, giving Nonantum a platform in outsourced service-of-process and related mortgage/consumer-credit support services.

Nonantum Capital Partners Acquires LJP Waste Solutions

September 19, 2022

Environmental Services

Boston-based private equity firm Nonantum Capital Partners has acquired LJP Waste Solutions, a regional provider of non-hazardous solid waste, recycling and waste-to-energy services, from Aperion Management. Nonantum said it will partner with LJP's management to expand zero-landfill and traditional waste services and pursue complementary add-on acquisitions across the Midwest.

iCapital Completes Acquisition of SIMON Markets

May 25, 2022

Financial Services

iCapital completed its acquisition of SIMON Markets, adding SIMON’s structured investments, annuities, digital assets, and risk-managed solutions to iCapital’s alternative investment marketplace. The combined platform expands iCapital’s technical capabilities, advisor education, analytics, compliance tools, and portfolio construction support for wealth managers and their clients.