Early investments included Williams Holdings – owner of Chubb and Kidde – founded by Nigel Rudd and Brian McGowan, Shanks & McEwan, National Express and Bloomsbury Publishing.

[20][21][22] Earlier investments have included CIPHR,[23] Mobysoft,[24] CSL,[25] KB Associates,[26] Peoplesafe,[27] Travel Chapter,[28] Moneypenny,[29] 4Ways, Arkessa, The Clear Group, Bionic, Content+Cloud,[30] Imagesound (a leading supplier of audio and screen media),[31] Tusker,[32] Investis Digital,[33] Auction Technology Group,[34] and Avantia, an online home insurance company that trades under the HomeProtect brand.

[39] in June 2022, ECI sold The Clear Group, an insurance broking platform, to Goldman Sachs Asset Management[40] having tripled Gross Written Premium to over £330m during the four year investment.

[41] In October 2021, ECI sold CPOMS, a provider of safeguarding software to schools, based in Skipton, England, to US firm Raptor Technologies.

[45] In February 2020, ECI exited both Encore Tickets, sold to TodayTix[46] and Auction Technology Group, in a secondary buyout delivering 3.7x money whilst also reinvesting in the latter from its most recent fund.

[57] In October 2014 ECI sold XLN Telecom to the company's management and Blackstone's credit business GSO Capital Partners generating a 3x return on its investment.

[61] ECI sold healthcare IT company Ascribe to AIM-listed clinical software supplier EMIS Health Group in September 2013 generating a 2.1x return.