Insider Brief
- Delta.g, a UK quantum sensing company, raised £4.6 million in an oversubscribed seed round led by Serendipity Capital with participation from NSSIF and existing investor SCVC to accelerate development and deployment of its gravity sensing platform.
- Spun out of the University of Birmingham’s UK Quantum Technology Hub for Sensors and Timing, the company’s portable quantum gravity sensors aim to deliver higher precision and reliability for subsurface imaging, navigation and environmental monitoring, with early trials across infrastructure, transport and dual‑use cases.
- Funding will expand the team and manufacturing, deliver pilot field systems with government and commercial partners, and advance a data and analytics platform to integrate quantum‑grade geospatial insights at scale—essentially a “Google Maps” for the subsurface.
Delta.g, a University of Birmingham quantum sensing spin-out, raised £4.6 million in an oversubscribed seed round to accelerate development and deployment of its gravity‑sensing platform. According to the university, the round was led by Serendipity Capital with participation from NSSIF and existing investor SCVC.
The university noted that quantum sensing is among the first commercial quantum fields promising near‑term impact, with applications in subsurface imaging, navigation and environmental monitoring. However, across infrastructure, energy and defense, reliable subsurface spatial data remains a chronic pain point.
Utilities strikes, unexpected ground conditions and survey uncertainty translate into delays and budget overruns on major projects, while resilience gaps leave sectors such as defense and energy exposed to avoidable risk, the university noted. Project owners often dig or build with incomplete maps of what lies beneath, raising costs and risk. Delta.g positions its gravity sensors as a step‑change in precise, portabile and reliabile spatial intelligence over today’s tools.
Delta.g’s platform originates from work at the University of Birmingham’s ’s UK Quantum Technology Hub for Sensors and Timing and is engineered for real‑world conditions. The university said its early trials have demonstrated value across infrastructure and transportation and in dual‑use settings. By directly measuring tiny variations in gravity to infer what is hidden below ground—voids, old mine workings, utilities or unstable geology—the systems aim to help operators detect sinkholes, plan around buried hazards, and enable GPS‑free navigation where satellite signals are unreliable.
“We’re thrilled by the strong investor support at this early stage. This raise is more than capital; it’s a vote of confidence in our mission to make quantum sensing operational,” Delta.g CEO Tony Lowe said in a statement. “We’re building the tools to see what others can’t, in places that matter most, from hidden sinkholes to critical infrastructure. With this funding, we’re accelerating our roadmap to deliver smaller and more nimble field-ready systems.”
The seed capital will fund three priorities:
- Expand the technical team and manufacturing capacity.
- Deliver field systems through pilot deployments with government and commercial partners, including the UK Department for Transport..
- Advance a data and analytics layer that integrates quantum‑grade gravity data into routine planning—“a Google Maps for the subsurface.”
“Delta.g serves as yet another proof point of UK leadership in quantum and dual use technologies,” Rob Jesudason, CEO and Founder of Serendipity Capital, said. “Our investment reflects our firm belief that the multi-year investment by the UK Government in quantum technologies combined with the UK’s world class scientific talent, Universities and research institutions is producing companies that have the potential to obtain global leadership. Delta.g’s scientific co-founders Prof. Mike Holynski, Dr Jonathan Winch and Dr Andrew Lamb are truly world class in their field. We look forward to working with Delta.g and helping it to realise its groundbreaking potential.”
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