SumUp is a London-based fintech company that provides mobile point-of-sale and payment solutions for offline and online merchants. Since its founding, the company has raised nearly $1 billion across multiple equity and debt rounds, including large-scale financings led by Goldman Sachs, Bain Capital, Sixth Street, and Victory Park Capital. Major funding milestones include large debt raises in 2021, 2022, 2024, and a recent 2025 debt round. As of December 2023, SumUp was valued at $8.6 billion, reflecting strong investor confidence in its global merchant payments platform.