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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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Dimension	Cardiff & South WalesWales	Southampton & PortsmouthSouth East	Glasgow & the Central BeltScotland
Sectors	Semiconductors, Advanced Materials, Creative Industries Supporting: Clean Energy, Advanced Manufacturing, Digital Technologies	Defence & Security, Robotics & Autonomous Systems, Advanced Manufacturing Supporting: Clean Energy, Digital Technologies, Advanced Materials	Space, Semiconductors, Quantum Technologies, Advanced Manufacturing Supporting: Clean Energy, Digital Technologies, Robotics & Autonomous Systems
Research	Cardiff University Swansea University	University of Southampton National Oceanography Centre	University of Glasgow University of Strathclyde
Companies	South Wales compound semiconductor cluster	Not recorded on the map.	Glasgow small satellite manufacturing cluster
Infrastructure	Not recorded on the map. Compound semiconductor fabrication and research facilities, materials and coatings research, production studios.	Not recorded on the map. Naval and maritime engineering facilities, photonics research centres and port infrastructure.	National Manufacturing Institute Scotland Satellite manufacturing capacity, nanofabrication cleanrooms and national manufacturing research facilities.
Capital	Public and corporate capital dominate; venture funding is limited by capital intensity.	Prime contractor supply chain finance and public programmes rather than venture capital.	Public co-investment and specialist funds; hardware scale-up capital is scarce.
Government programmes	Wales Investment Zone designations — Investment Zones	Solent Freeport — Freeports	No place-based designation recorded.
What exists	The UK's compound semiconductor cluster, combining research, fabrication and supply chain, alongside steel and coatings materials research, and a significant screen production economy.	Maritime, naval and defence engineering, marine autonomy, photonics research and a major port and logistics complex.	More small satellites built here than anywhere else in Europe, quantum imaging and nanofabrication research, and a large applied engineering, manufacturing and energy research base.
What's missing · UKIZ interpretation	Design demand. Fabrication capability needs a pipeline of UK customers designing products that use it, and capital patient enough for semiconductor timelines.	Routes for smaller innovators into defence and maritime procurement, and a civil market for capability developed for defence customers.	Downstream value. Satellites are manufactured here while much of the data and applications value is captured elsewhere. Scale-up finance for hardware is limited.
What could connect · UKIZ interpretation	South Wales fabrication connected to Bristol and Cambridge chip design and to defence, automotive and energy customers who currently source overseas.	Marine autonomy and photonics connected to Plymouth marine capability, Bristol robotics and offshore energy operations — the same technologies serving defence, energy and shipping.	Glasgow manufacture connected to Cornwall launch and Earth observation, Harwell space applications and domestic data customers — one national space chain instead of four regional ones.
UKIZ relevance	Compound semiconductors are a genuine national specialism with a fragile ownership base. The proposed Wales mission focuses on keeping the value chain here.	Marine autonomy is where defence, robotics and clean energy meet. The proposed Cornwall & Devon marine mission connects to this capability directly.	Manufacture, launch and data are three different geographies in Britain. The proposed Scotland mission connects them deliberately.
Last verified	15 August 2026	15 August 2026	15 August 2026

Proposed by UKIZ · independent · not a government designation

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