# QuantrolOx

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/quantrolox

- Industry: Software
- Headquarters: Oxford, UK
- Website: www.quantrolox.com
- Total disclosed funding: $19M
- Latest round: Series A (Oct 22, 2026)
- Investors on record: 12

## About

Based in Oxford, UK, and founded in 2021 by CEO Vishal Chatrath, Andrew Briggs, Natalia Ares, and Dominic Lennon, QuantrolOx Ltd. operates as a technology company that is building automated machine learning-based control software for quantum technologies to optimize, stabilize, and tune qubits, which are quantum computers’ building blocks. In March 2023, QuantrolOx Limited raised EUR 3.5 million in seed funding led by Voima Ventures, with participation from Hoxton Ventures and Nielsen Ventures.

QuantrolOx Ltd provides automated, machine-learning-based control software applicable to all types of quantum technologies.

The company intends to use the March 2023 funding to create and market a device that automates qubit tuning, stabilization, and optimization for stable and sustained gate performance in quantum computers.

## Funding rounds

- Series A, Oct 22, 2026, $13M — IW Capital, European Innovation Council Fund, Transpose Capital
- Seed, Mar 7, 2023, $3.7M — Hoxton Ventures, Oxford Sciences Enterprises, Voima Ventures, Serendipity Capital, 2xN, Nielsen Ventures
- Seed, Dec 20, 2021, $1.9M — Nielsen, Romulus Capital, Nielsen BuzzMetrics, Hoxton Ventures, Voima Ventures

## Investors

- Nielsen — Seed
- Romulus Capital — Seed
- Nielsen BuzzMetrics — Seed
- Hoxton Ventures (https://capitalatlas.ai/funds/hoxton-ventures) — Seed
- Voima Ventures (https://capitalatlas.ai/funds/voima-ventures) — Seed
- Oxford Sciences Enterprises (https://capitalatlas.ai/funds/oxford-sciences-enterprises) — Seed
- Serendipity Capital (https://capitalatlas.ai/funds/serendipity-capital) — Seed
- 2xN (https://capitalatlas.ai/funds/2xn) — Seed
- Nielsen Ventures (https://capitalatlas.ai/funds/nielsen-ventures) — Seed
- IW Capital (https://capitalatlas.ai/funds/iw-capital) — Series A
- European Innovation Council Fund — Series A
- Transpose Capital — Series A