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Two or three clusters, read side by side across sectors, research, companies, capital, infrastructure, government designations and UKIZ relevance. There is no score and no ranking: British clusters are different from one another, not better or worse than one another.

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Side by side

Dimension	Cornwall & PlymouthSouth West	Southampton & PortsmouthSouth East	Cardiff & South WalesWales
Sectors	Space, Clean Energy, Robotics & Autonomous Systems Supporting: Advanced Materials, AgriTech & FoodTech, Digital Technologies	Defence & Security, Robotics & Autonomous Systems, Advanced Manufacturing Supporting: Clean Energy, Digital Technologies, Advanced Materials	Semiconductors, Advanced Materials, Creative Industries Supporting: Clean Energy, Advanced Manufacturing, Digital Technologies
Research	University of Plymouth Plymouth Marine Laboratory	University of Southampton National Oceanography Centre	Cardiff University Swansea University
Companies	Not recorded on the map.	Not recorded on the map.	South Wales compound semiconductor cluster
Infrastructure	Space and Earth observation capability, Cornwall Aerodrome and space capability, marine research and test facilities and naval infrastructure.	Not recorded on the map. Naval and maritime engineering facilities, photonics research centres and port infrastructure.	Not recorded on the map. Compound semiconductor fabrication and research facilities, materials and coatings research, production studios.
Capital	Public programmes and a small local investor base; almost all growth capital is external.	Prime contractor supply chain finance and public programmes rather than venture capital.	Public and corporate capital dominate; venture funding is limited by capital intensity.
Government programmes	No place-based designation recorded.	Solent Freeport — Freeports	Wales Investment Zone designations — Investment Zones
What exists	Space launch and Earth observation capability, marine autonomy and ocean research, and a distinctive combination of coastline, test space and specialist facilities.	Maritime, naval and defence engineering, marine autonomy, photonics research and a major port and logistics complex.	The UK's compound semiconductor cluster, combining research, fabrication and supply chain, alongside steel and coatings materials research, and a significant screen production economy.
What's missing · UKIZ interpretation	Company density and connectivity. Excellent facilities sit a long way from capital, customers and complementary suppliers, and skilled people are hard to retain.	Routes for smaller innovators into defence and maritime procurement, and a civil market for capability developed for defence customers.	Design demand. Fabrication capability needs a pipeline of UK customers designing products that use it, and capital patient enough for semiconductor timelines.
What could connect · UKIZ interpretation	Launch and Earth observation connected to Glasgow satellite manufacture and Harwell applications, and marine autonomy connected to Solent defence and offshore energy demand.	Marine autonomy and photonics connected to Plymouth marine capability, Bristol robotics and offshore energy operations — the same technologies serving defence, energy and shipping.	South Wales fabrication connected to Bristol and Cambridge chip design and to defence, automotive and energy customers who currently source overseas.
UKIZ relevance	The proposed Cornwall & Devon mission treats the sea and the satellite economy as one system rather than two separate sectors.	Marine autonomy is where defence, robotics and clean energy meet. The proposed Cornwall & Devon marine mission connects to this capability directly.	Compound semiconductors are a genuine national specialism with a fragile ownership base. The proposed Wales mission focuses on keeping the value chain here.
Last verified	15 August 2026	15 August 2026	15 August 2026

Proposed by UKIZ · independent · not a government designation

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