SingleStore, formerly known as MemSQL, is a modern relational database for cloud and on-premises that delivers immediate insights for modern applications and analytical systems. 

SingleStore provides an in-memory SQL database designed to accelerate applications, power real-time analytics and combine structured and semi-structured data into a consolidated big data structure.

SingleStore was founded in Jan 1, 2011 by Adam Prout, Eric Frenkiel, and Nikita Shamgunov. The company is based in San Francisco, California, with offices in Seattle, WA; Boston, MA; Portland, Oregon; Lisbon, Portugal and London, UK.

SingleStore delivers the world’s fastest distributed SQL database for data-intensive applications, SingleStoreDB. By combining transactional and analytical workloads, SingleStore eliminates performance bottlenecks and unnecessary data movement to support constantly growing, demanding workloads.

SingleStore recently launched SingleStoreDB with IBM as well as announced a partnership with SAS to deliver ultra-fast insights at lower costs. SingleStoreDB empowers businesses to deliver superior real-time experiences by unifying transactions and analytics in the same engine – with fast, cost-efficient and powerful result.

SingleStore works on any cloud, on-premises, or as a service and is trusted by customers including Uber, Akamai, Dell EMC, Samsung, Hulu, Comcast, Kellogg, and more.

SingleStore is backed by Goldman Sachs Asset Management, GV, Accel, Insight Partners, DCVC, Dell Technologies Capital, IA Ventures, HPE, Prosperity7 Ventures, Glynn Capital, Sanabil Investments, and others. The company raised $146M in Series F-2 round on Oct 03, 2022. This brings SingleStore's total funding to $580M to date. SingleStore was valued at $1.3B from its previous Series F round in Jul 2022.