QuestDB
High-performance time-series database
London, United Kingdom
Founded 2019
QuestDB is an open-source time-series database designed for high-performance applications in finance, IoT, and observability. It is written in Java and C++ and optimized for time-series data, providing fast data ingestion and querying capabilities. The company primarily serves enterprise clients who require real-time analytics and high throughput data processing.
Websites:
Last Updated: September 10, 2025
Current Valuation
$72M
as of November 30, 2021 (Source)
Funding Summary
$18M
Total reported funding
Announcement
August 25, 2026
QuestDB: QuestDB Enterprise 4.0: cold storage, QWP, and restart-free failover | QuestDB
Announcement
August 17, 2026
QuestDB: QWP: QuestDB's own binary wire protocol for ingestion and queries | QuestDB
Announcement
May 26, 2026
Omnata Blog: Get QuestDB time-series data into Snowflake natively
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Key People
Core OSS Projects
An open source SQL database designed to process time series data, faster.
License: Apache 2.0
Business Information
Category
Time SeriesIndustries
Financial Services
Technologies
DatabaseJava/C++ASOFOHLCSQL
Sectors
EnterpriseDevelopers
Licenses
Apache-2.0
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Socials and Communities
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