QuestDB
YC S20London, GB · Founded 2019 · 30 employees · 3 known investors
QuestDB is an open-source time-series database designed for high-performance analytics and low-latency querying of temporal data. It serves financial institutions, trading platforms, and enterprises requiring real-time data processing.
Also known as QuestDB Limited
Data & InfrastructureDeveloper ToolsEnterprise SoftwareAnalyticsOpen SourceTime SeriesUnited KingdomEuropePartly Remote
Founders & leadership· Y Combinator alumni (S20)
QuestDB was founded in 2019 by Nicolas Hourcard, Tancrede Collard, and Vlad Ilyushchenko.
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Nicolas Hourcardin𝕏FounderCo-founder and CEO of QuestDB, an open-source time-series database for high-performance analytics and real-time data processing.
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Tancrede Collardin𝕏FounderPreviously, he led algorithmic trading operations at financial institutions and cryptocurrency firms.
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Vlad IlyushchenkoinFounderVlad Ilyushchenko worked as a software engineer in electronic trading from 1997 to 2019 before founding QuestDB, where he serves as founder and CTO.
Investors · 3
Founder mafia
3 people who came through QuestDB went on to found or lead other companies.
Competitors · 2
by search overlap
Netezza1267 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
DataCamp712 shared keywordsDataCamp is a learning platform for teams that teaches data and AI skills through hands-on coursework accessible via web browser and mobile app. It serves enterprise customers and development teams seeking to build technical capabilities.
Companies competing with QuestDB for the same Google search keywords, organic and paid, via search-intersection analysis.
Companies House · registry record
View on Companies House ↗- Registered name
- QUESTDB LIMITED
- Company number
- 12149461
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 Aug 2019
- Registered office
- Wework, 8 Devonshire Square, London, EC2M 4YJ
- Nature of business (SIC)
- 62012 — Business and domestic software development
- Accounts
- last made up to 31 Dec 2025 · next due 30 Sept 2027
- Confirmation statement
- last made up to 10 Feb 2026 · next due 24 Feb 2027
Current officers · 3
- Nicolas Francesco Hourcard — director, appointed 19 Aug 2019
- Vladyslav Ilyushchenko — director, appointed 19 Aug 2019
- Paul Anthony Mcnabb — director, appointed 20 Feb 2020
Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.
In the news
Frequently asked questions
- What does QuestDB do?
- QuestDB is an open-source time-series database designed for high-performance analytics and low-latency querying of temporal data. It serves financial institutions, trading platforms, and enterprises requiring real-time data processing.
- Who founded QuestDB?
- QuestDB was founded by Nicolas Hourcard, Tancrede Collard, Vlad Ilyushchenko in 2019.
- Who are QuestDB's investors?
- QuestDB's investors include Seedcamp, Y Combinator, 468 Capital.
- Where is QuestDB headquartered?
- QuestDB is headquartered in London, GB.