TRICAPITAL Angels led the round alongside Scottish Enterprise and UKI2S to support the firm's subsea technology.
"We look forward to working with TRICAPITAL and Scottish Enterprise and to have the continued backing of UKI2S in our journey to change the game for underwater robotics."
Aramco Ventures, Dow and Kanoo Ventures led the financing round for the Cambridge monitoring technology firm.
"CorrosionRADAR is in a period of rapid growth, and we are leading the way with our predictive CUI monitoring solutions that safeguard critical assets and ensure the longevity of critical infrastructure."
The investment was supplied by Oxford Innovation Finance through its EIS Growth Fund 3 and OION Angel Network.
"We are excited by the advancements Oxford Space Systems has made in recent years, developing its product portfolio, client base, and financial performance. This growth funding round will enable us to pursue the development of additional high-potential products and extend our market presence by enabling our customers’ growth strategies."