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UK Startups and Innovation
22JUL

Narayan and Harms split on sovereignty

2 min read
09:12UTC

AI minister Kanishka Narayan told City A.M. Britain wants "global AI leadership, not Silicon Valley emulation". Quantexa's John Harms answered that hardware without governance control is lock-in with extra steps.

TechnologyDeveloping
Key takeaway

Narayan measures sovereignty in machines; Harms measures it in exit rights from a contract.

AI minister Kanishka Narayan told City A.M. on Wednesday 15 July that Britain is pursuing "global AI leadership, not Silicon Valley emulation", and that domestic capability would let the country "shape our own destiny" rather than depend on overseas providers 1. John Harms of Quantexa, the British data-analytics company whose software banks use to trace networks of accounts, answered in the same piece that sovereignty requires governance control and data portability, and that hardware location without either amounts to vendor lock-in with extra steps.

Harms is describing a specific failure mode, not a rhetorical one. A dataset held on a server in Slough, processed on chips a foreign firm allocates, under model weights licensed on terms the licensor can revise, is British in geography and nobody's in practice. Portability is the test he proposes: can the customer take the data and the trained artefacts somewhere else, at what notice, and at what cost? Locate the machines wherever you like, the answer to that question is written into the contract.

This week's evidence sits closer to Harms than to the minister. Compute and laboratory access for the country's most-discussed materials company now run through Nvidia, Applied Materials and Tokyo Electron, and the British state's contribution to the round is a minority ticket with no board seat behind it. The Bank's own data recorded AI capturing a record 44% of UK equity value , so the capital is certainly here; the ownership of the layer underneath it is what neither side disputed on the record.

Deep Analysis

In plain English

Britain's AI minister, Kanishka Narayan, told the newspaper City A.M. that the UK should aim to lead globally in AI rather than copy Silicon Valley's approach. John Harms, an executive at the British data-analytics firm Quantexa, responded in the same article that simply having AI hardware based in Britain does not make Britain sovereign over its own AI if a foreign company still controls how the technology works and whether customers can take their data elsewhere. Narayan and Harms disagree about what counts as independence. Britain can own the building the computer sits in, which is one kind of control. Harms means a second kind: switching supplier, moving data and renegotiating terms without being trapped. His argument is that Britain has focused on the first and largely ignored the second, and this week's own government-linked investment into CuspAI, a small stake with no governance role attached, is an example of exactly that gap.

Deep Analysis
Root Causes

The disagreement comes from two different definitions of sovereignty. Kanishka Narayan locates sovereignty geographically and industrially, in where compute, hardware and capital sit. Harms's version is contractual: who can move data and trained models, and on what notice, once a deal is signed.

The government's public commitments referenced in this debate, the Sovereign AI Fund's equity cheques and the Hardware Plan's capacity spending, are built around the first definition, which is why a governance-focused critique like Harms's lands as a genuine rather than diplomatic objection.

What could happen next?
  • Meaning

    The government's sovereignty programmes so far measure success in capital deployed and hardware sited, not in governance rights secured for the state or for customers.

  • Risk

    If governance and portability terms are never made part of future state investments, Harms's critique will keep applying to each new cheque the Sovereign AI Unit writes.

First Reported In

Update #12 · CuspAI pools 45 partners' labs and compute

Fortune· 22 Jul 2026
Read original
Different Perspectives
EQT
EQT
EQT was reported on 3 July to be in advanced talks for a further CuspAI stake on behalf of the EU's Scaleup Europe Fund, but does not appear on the round CuspAI closed. Whether Europe's own sovereign vehicle secured a position, was outbid, or withdrew is unresolved.
Invest-NL
Invest-NL
Invest-NL joined CuspAI's $450m round as a new state investor alongside Britain's Sovereign AI Unit, named in the company's own 20 July announcement. Any framing of British state capital arriving must also credit Dutch capital with the same access, since Invest-NL took the opportunity too.
Kleiner Perkins and Bezos Expeditions
Kleiner Perkins and Bezos Expeditions
Kleiner Perkins and Bezos Expeditions co-led CuspAI's $450m Series B at a $2.6bn valuation, a figure Lowdown has now reported three times since June. Silicon Valley and a family office, not a UK investor, set the price of Britain's highest-profile materials-AI company.
British Business Bank
British Business Bank
British Business Bank proposed a £100m debt fund for aerospace suppliers at Farnborough on 20 July, co-designed with Airbus, Rolls-Royce and GKN Aerospace. It is the Bank's first non-equity instrument this cycle, aimed at suppliers who can service a loan but have no equity story, though the structure remains unfinalised.
Institute of Physics
Institute of Physics
The Institute has long argued STFC's national-laboratory infrastructure, not its grant programmes, is the binding constraint on UK physics output, and warns mothballing capacity like Clara removes capability that cannot be rebuilt on a four-year cycle. It represents the discovery-science community absorbing the reallocation the Bank's equity cheques do not touch.
Helsing
Helsing
The Munich-headquartered defence-AI firm chose Plymouth over Continental sites for a £350m manufacturing plant building underwater surveillance gliders, alongside its record raise. Its choice of postcode signals confidence in UK manufacturing capacity for defence hardware even as it looks abroad for the capital financing that hardware.