Monument Technology Closes £18M Seed for Cloud Banking

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Monument Technology, a London-based provider of cloud banking infrastructure, has closed a Seed round at more than £18 million. The company announced the close on June 17, 2026, noting that strong investor interest pushed the round well past its original £10 million target.

The company offers an end-to-end Banking-Platform-as-a-Service, or BPaaS, that runs in the cloud. It was spun out of its parent in 2023, when the bank decided to make its own infrastructure available to other institutions. Today Monument Technology provides a white-label banking platform that lets fintech firms and other financial institutions offer deposits, savings, lending, and mortgage services to their own customers. The platform also connects with third-party providers such as Mambu and Salesforce.

The pitch is straightforward: building core banking technology from scratch is expensive and slow, so Monument Technology offers a ready-made platform that institutions can put their own brand on and bring to market faster.

The funding will let the company scale the business, grow its team, and keep building out the platform’s capabilities, with a particular focus on making implementation simpler and quicker for clients in the UK and abroad.

The company is not stopping there. Monument Technology has confirmed it has already begun its Series A fundraising round, with commitments secured at an increased share price and valuation. That suggests the momentum behind this seed round is carrying directly into its next stage, as the company looks to expand its presence in the market for banking infrastructure.