ECI Partners Invests in CSL

ECI Partners Exits CSL into Continuation Fund Led by Carlyle AlpInvest, HarbourVest and Pantheon

October 6, 2025

Telecommunications

ECI Partners has exited CSL, the UK-based critical IoT connectivity specialist, into an ECI-managed continuation fund led by existing ECI investors Carlyle AlpInvest, HarbourVest Partners and Pantheon, generating a 3.5x return on ECI’s investment. CSL grew c.20% organically during ECI’s ownership, has launched products such as rSIM, and will continue its expansion strategy (including M&A) under the continuation vehicle.

CSL Group Acquires EdgeConnect

February 5, 2025

Telecommunications

CSL Group has acquired EdgeConnect, a multi-award-winning specialist in internet connectivity for challenging locations. The deal strengthens CSL's critical IoT connectivity portfolio and expands its presence and solutions for customers in the construction and other demanding sectors.

The CSL Group Acquires Minority Stake in EMS-Tech Inc.

December 8, 2021

Engineering Services

The CSL Group has acquired a strategic minority stake in EMS-Tech Inc., a Canadian engineering firm that designs and supplies bulk material handling systems. The investment formalizes a long-standing 25+ year partnership and aims to advance integrated marine and land-based cargo handling solutions and expand EMS-Tech's market reach.

ECI Partners Acquires Majority Stake in Croud

October 31, 2024

Marketing & Advertising

ECI Partners has taken a majority stake in Croud, the UK-headquartered global digital marketing agency, in a deal that marks LDC's exit after a five-year partnership. The investment will support Croud's continued organic growth and further acquisitions, enabling expansion of its media, data and technology capabilities while the business maintains operational independence.

ECI Partners Invests in ISMS.online

November 29, 2023

Cloud & SaaS

ECI Partners has invested in ISMS.online, a Brighton-based SaaS Information Security Management System (ISMS) provider, in a deal that provides a full realisation for prior investor Cow Corner. The investment will support international expansion, product development and continued growth of ISMS.online's ISO 27001 and compliance-focused SaaS platform.

CSL Acquires Caburn Telecom

October 31, 2022

Telecommunications

CSL, a PE-backed European provider of critical IoT connectivity, has acquired Caburn Telecom, a UK-based provider of secure IoT connectivity, SIM management and software. The deal brings Caburn’s proprietary SIM management platform and >1 million live IoT connections into the CSL Group to expand IoT capabilities, scale and geographic reach.