The initial £2m close was led by Barclays Bank with support from several prominent fintech investors.
"In just three short years since its founding, I am delighted that WealthOS has attracted the backing of a prestigious institution like Barclays and from a group of highly esteemed investors who strongly support our mission to upgrade the technology infrastructure for the wealth management industry,"
The debt facility will enable the fintech to provide over £200m in annual funding and advance its product development.
"The vast majority of SMEs we interact with are willing to grant us access to their bank data via Open Banking. They’re familiar with this tool because it is commonly used with their accounting software. They see the benefit of a simpler process than manually providing bank statements and other data. Nor do they have to make personal guarantees when applying to us."
The pre-seed round was led by Speedinvest to support the rollout of the company protocol in December.
"Interest Rate Derivatives represent the largest asset class in traditional finance with over $500T in outstanding interest. Our ultimate goal is to introduce this market to the advantages of on-chain trading while offering crypto traders the opportunity to trade the most prominent rates in the ecosystem, as enjoyed by participants of TradFi markets."