Fundraising Fox

QuestDB

YC S20

London, GB · Founded 2019 · 30 employees · 5 known investors

Find your way into QuestDB

1,724 people in our graph share verified history with the QuestDB team — schools, employers, funds. One of them is your warm intro.

Sofia Dolfeunlockedknows Nicolas Hourcard · together at The University of Edinburgh (overlapped)
×2knows the team · via HEC Paris
×2knows the team · via HSBC
knows the team · via UBS
knows the team · via Rothschild & Co
knows the team · via UCL

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.

NHNicolas Hourcard
Nicolas Hourcardin𝕏Co-founder/CEOCo-founder and CEO of QuestDB, an open-source time-series database for high-performance analytics and real-time data processing.
TCTancrede Collard
Tancrede Collardin𝕏Co-Founder2019–2020Previously, he led algorithmic trading operations at financial institutions and cryptocurrency firms.
VIVlad Ilyushchenko
Vlad Ilyushchenkoin𝕏Co-Founder, Chief Technology OfficerVlad Ilyushchenko worked as a software engineer in electronic trading from 1997 to 2019 before founding QuestDB, where he serves as founder and CTO.

Investors · 5

Episode1London · $317.5K – $2.5M
SeedcampLondon · $378K – $1.1M
Y CombinatorSan Francisco · $500K
468 Capitalreported · 3 sourcesBerlin
Uncorrelated VenturesreportedLas Vegas

Funding

SEC filings, press & company announcements

$12M disclosed across 1 round · 2021

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

3 people who came through QuestDB went on to found or lead other companies.

Nicolas HourcardFounderFounded QuestDBTancrede CollardFounderFounded QuestDBVlad IlyushchenkoFounderFounded QuestDB

Competitors · 3

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.
Corporatefinanceinstitute1155 shared keywordsCorporate Finance Institute offers an online specialization program teaching finance professionals how to integrate environmental, social, and governance (ESG) factors into financial analysis, valuation, and investment decision-making. The program covers ESG frameworks, sustainability integration, greenhouse gas accounting, and climate risk management across eight core courses.
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

QuestDB - Purpose built database for financial market dataycombinator.com · Jul 2023Our two-year journey to raise $15m in venture capital | QuestDBquestdb.com · Jan 2022QuestDB Raises $12M in Series A Funding - FinSMEsfinsmes.com · Nov 2021QuestDB raises $12M Series A as the adoption of its time series database growsglobenewswire.com · Nov 2021QuestDB snares $12M Series A with hosted version coming soon – TechCrunchtechcrunch.com · Nov 2021QuestDB Funding | $0-5M Revenue | Complete Analysis | Extruct AIextruct.ai · Mar 2020

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 Episode1, Seedcamp, Y Combinator, 468 Capital, Uncorrelated Ventures.
How much funding has QuestDB raised?
QuestDB has disclosed $12M raised across 1 round.
Where is QuestDB headquartered?
QuestDB is headquartered in London, GB.