London-based B2B SaaS company, Diesta, has raised €3.5 million in a seed funding round led by FinTech Collective.Diesta aims to revolutionize payment operations for the insurance industry.The company's platform brings efficiency to the fragmented and manual processes of premium payments.With the new funding, Diesta plans to expand its presence across the UK, Europe, and the US, and enhance its platform with AI-driven integrations.