Solid is a fintech infrastructure provider that offers a fully integrated and compliant suite of fintech services. It allows companies to quickly build and launch embedded fintech products such as bank accounts, crypto wallets, payments, and cards to their users. Integration is a light technical lift, and Solid's clients include established FinTechs, SaaS leaders, and rapidly growing startups. The company is headquartered in San Mateo, CA, and is backed by several venture capital firms.