Craig McCallum and Brian Aiken have been taken on as part of Protégé's expansion programme.
Global Equity Partners and Go Equity also participated in the round.
The size of the investment has not been disclosed but it's reported that the deal values Comstock at "a substantial premium" over its first round valuation.
The two companies see this as a good time to explore investment opportunities in Latin America.
Geocapital, Apax, Advent, VCF Partners and Chase Episode 1 sign the cheques.
Allianz Capital Partners, Round1’s chief executive and some private individuals have invested in this second round of financing.
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The biopharmaceutical company will use the funding to boost infrastructure, programmes and recruit staff.
The B2B support services supplier will use the financing to develop its product range and to recruit additional staff.
The technology provider will take over TessComm, one of T-Venture’s portfolio companies, as part of the deal.