The proposals aim to boost liquidity in the company's shares and expand GCP Infra's investment strategy, it said.

The GABI deal would see shareholders of the target company take a stake in GCP Infra. Both funds are managed by the same asset manager, Gravis Capital.

GCP Infra has committed to use 200 million pounds ($254.20 million) of cash to bring down debt and return capital to investors via share buy-backs as part of the GABI deal.

The company said it was also in discussions with RM Infrastructure, managed by RM Funds, about a deal.

London has seen a series of mergers among listed invested funds in recent years, driven by efforts to boost trading in their shares and achieve economies of scale.

($1 = 0.7868 pounds)

(Reporting by Pablo Mayo Cerqueiro; editing by Jason Neely and Jamie Freed)