Arthur Ventures completed an investment in PKI Solutions.

Arthur Ventures, a growth equity firm specializing in B2B software companies, completed an investment in PKI Solutions, a provider of public key infrastructure and digital certificate management solutions. Financial terms were not disclosed. The partnership with Arthur Ventures will enable PKI to broaden its go‑to‑market strategy, enhance customer success resources, and pursue new vertical opportunities where secure identity management is mission‑critical. PKI will also leverage Arthur Ventures’ operational expertise and network of software leaders to strengthen its technology partnerships and support adoption among enterprise and public‑sector clients.