Coherence Engine
UK quantum control-system software startup; April 2026 DTC Quantum cohort member at Harwell.
Last refreshed: 22 April 2026 · Appears in 1 active topic
Can cross-platform quantum control software become the UK's highest-leverage quantum export?
Timeline for Coherence Engine
Received DTC Quantum grant for quantum control-system software
UK Startups and Innovation: DTC Quantum names four Harwell cohort firms- What is Coherence Engine and what problem does it solve?
- Coherence Engine is a UK startup building control-system software for quantum hardware — the classical layer that translates user instructions into qubit operations. It was named in the April 2026 DTC Quantum cohort at Harwell.Source: Lowdown / UKRI STFC
- What is quantum control-system software?
- Quantum control software sits between user workloads and the physical quantum processor, translating instructions into the precise signals needed to manipulate qubits across superconducting, trapped-ion, or photonic platforms.
- What funding did Coherence Engine receive from DTC Quantum?
- Coherence Engine received £50,000 to £100,000 in R&D funding, 50 hours of business support, and investor introductions as part of the April 2026 DTC Quantum cohort at Harwell.Source: UKRI STFC / NQCC
- Why does quantum hardware need specialised control software?
- Qubits must be driven with precise microwave, optical, or electrical pulses with nanosecond timing; control software handles calibration, error correction scheduling, and translation of high-level quantum circuits into hardware-native gate sequences.
Background
Coherence Engine was named on 16 April 2026 in the inaugural DeepTech Catalyst Quantum (DTC Quantum) cohort at Harwell, run by UKRI STFC and the National Quantum Computing Centre (NQCC). The programme provides £50,000 to £100,000 in R&D funding, 50 hours of business support, and investor introductions — the first structured commercial output of the UK's £2bn ProQure quantum commitment.
Coherence Engine is a UK software startup building quantum control-system software: the classical software layer that sits between user workloads and the physical hardware of a quantum processor, translating high-level instructions into the precise electrical pulses, microwave signals, or optical sequences that manipulate qubits. Control software is hardware-agnostic by design, making Coherence Engine's stack potentially applicable across superconducting, trapped-ion, and photonic quantum platforms. This cross-platform applicability matters because no single qubit technology has yet established dominance.
Quantum control software is a cross-cutting enabler: it determines gate fidelity, calibration speed, and the practical overhead of running a quantum workload. As hardware improves, the bottleneck shifts increasingly to the control layer. Coherence Engine's position in the DTC Quantum cohort signals UKRI's recognition that the UK's quantum advantage depends on the software stack as much as the hardware, and the 18-month private follow-on test will determine whether that assessment attracts venture capital.