How much funding has Horizon Quantum Computing raised?

Horizon Quantum Computing has raised $20.1M in total funding, most recently a Series A round.

Who are Horizon Quantum Computing's investors?

Horizon Quantum Computing's investors include Abies Ventures, Sequoia Capital, SGInnovate, IonQ, DCVC (Data Collab), Summer Capital.

When was Horizon Quantum Computing founded?

Horizon Quantum Computing was founded in 2020.

Where is Horizon Quantum Computing headquartered?

Horizon Quantum Computing is headquartered in Singapore, Singapore.

What industry is Horizon Quantum Computing in?

Horizon Quantum Computing operates in Developer Tools, Quantum Computing.

How many employees does Horizon Quantum Computing have?

Horizon Quantum Computing has 11-50 employees.

Horizon Quantum Computing

IPO

Program quantum computers in classical languages.

Public · Singapore, Singapore · Founded 2020 · $20.1M raised

Developer Tools

Quantum Computing

Headquarters: Singapore
Employees: 11–50
Founded: 2020
Business Model: B2B
Website: horizonquantum.com

Total Funding: $20.1M
Last Round: $18.1M Series AMar 2023
Rounds: 4
Type: Public

About

Horizon Quantum Computing develops software tools and an integrated development environment (Triple Alpha) that enable programmers to write quantum applications using classical languages like C and C++. Founded in 2020 and headquartered in Singapore, the company draws talent from Oxford, MIT, and Caltech to make quantum programming accessible to conventional software developers. In late 2025, Horizon became the first quantum software company to own and operate its own quantum computer.

Summary

Horizon Quantum Computing is a Developer Tools company based in Singapore, Singapore, founded in 2020. It has raised $20.1M in total across 4 rounds, most recently a $18.1M Series A round in Mar 2023. Investors include Abies Ventures, Sequoia Capital and SGInnovate.

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