Rocscience Acquires Italian Structural Engineering Software Provider 2SI

Rocscience Acquires Rockfield

August 6, 2025

Software

Rocscience, a Toronto-based geotechnical software company, has acquired Rockfield, a Swansea, UK developer of advanced numerical modelling and finite element/discrete element analysis software (ELFEN). The acquisition is intended to expand Rocscience's engineering simulation capabilities and market reach across the energy, mining and infrastructure sectors while retaining Rockfield's leadership and management.

Rocscience (backed by TA Associates) Acquires DIANA FEA

January 29, 2024

Software

Rocscience Inc., a Toronto-based geotechnical software provider backed by TA Associates, has acquired DIANA FEA, a Netherlands-based developer of nonlinear finite element analysis software. The deal expands Rocscience's FEA product suite and global footprint; financial terms were not disclosed.

Rocscience Inc. Acquires NovoTech Software

October 6, 2021

Software

Rocscience Inc., a Toronto-based developer of geotechnical engineering software, has acquired Vancouver-based NovoTech Software. The deal expands Rocscience's geotechnical product capabilities and brings NovoTech's CTO and web application team into Rocscience while NovoTech continues to operate under its name in the near term.

SI Solutions Acquires SC Solutions, Inc.

January 4, 2024

Engineering Services

SI Solutions has acquired SC Solutions, Inc., a Sunnyvale-based provider of structural and controls engineering, to expand its Critical Infrastructure division and add controls engineering capabilities. The deal strengthens SI Solutions’ technical offerings across energy, process and infrastructure markets and integrates SC Solutions’ expertise into SI’s platform backed by Jumana Capital.

TA Associates Makes Growth Investment in Rocscience

January 8, 2024

Software

TA Associates completed a strategic growth investment in Rocscience, a Toronto-based developer of 2D and 3D geotechnical engineering software. The investment will support Rocscience's product and go-to-market expansion, accelerate R&D and inorganic growth initiatives; TA partners will join Rocscience's board while founder Dr. John Curran remains on the board. Financial terms were not disclosed.

SI Solutions Acquires Radiological Solutions

February 5, 2026

Energy

SI Solutions, through its advanced engineering division Structural Integrity Associates (SIA), has acquired Radiological Solutions, Inc., a nuclear engineering partner that specializes in plant chemistry, radiological controls, radiation protection, and specialized monitoring equipment. The acquisition expands SIA's capabilities in nuclear chemistry, radiation management, emergency preparedness and equipment design and brings Radiological Solutions' team and expertise (based outside Chicago) into SI Solutions' PE-backed platform.