UK tech sovereignty: Insights from London Tech Week 2026

The theme of this year’s London Tech Week was “sovereignty”: what it could mean for British and European tech in practice, and what the UK government is doing to support the British start-up ecosystem. These discussions are quickly becoming practical business issues – from where data sits and how tech is governed, to how contracts and operating models need to evolve. Decisions taken in the next 12–24 months on investment, procurement and technology strategy will determine which organisations benefit from the UK’s push for sovereignty, and which fall behind.

UK initiatives: Support for start-ups and the issue of sovereignty

Prime Minister, Keir Starmer, and Minister for AI and Online Safety Kanishka Narayan have announced a bold agenda of support for British tech start-ups including concrete commitments such as:

• A £400 million government investment in AI chips and expanding infrastructure for AI compute systems to support startups;
• £4 million additional funding for Spärck AI scholarships;
• Support for open-source AI builders e.g. computing power worth over £500,000 for innovators to turn prototypes into AI tools that improve public services, the creation of an Open-Source AI Builder Mentoring Scheme and a new Open-Source AI Dev Board;
• A RIBA x DSIT Data Centre Design Challenge, the first government-backed design competition of its kind, to ensure that as data centres grow they deliver for the communities around them too;
• New HSE guidance from the Regulatory Innovation Office and the Health & Safety Executive on how robots can work safely alongside people in the workplace

The British Business Bank also soft launched its partnership with Playground Global alongside a bold investment programme of investment to support British tech companies throughout their lifecycle. With a particular focus on quantum computing, robotics, AI, life sciences and semiconductors, this signals continued backing for high-growth sectors, giving start-ups and mid-sized companies access to the capital needed to grow.  

The tech industry has proposed several approaches to achieving sovereignty:

• Data Centre Autonomy: The UK and EU both have ambitions to increase data centre capacity, but the building of these facilities remains complex. Operators hae to navigate different planning and land use laws; environmental and energy efficiency laws; telecoms and digital regulations including security and resilience requirements, meaning new infrastructure will take time.
• Sovereignty by component: There is limited scope for the UK to dominate core AI infrastructure components , such as chips,  or models. A targeted sovereignty on specific components only may not be useful where systems and components need to be compatible with and operate seamlessly with the rest of the infrastructure stack. Especially the use of agentic AI solutions may involve the orchestration of different models (both smaller models and LLMs) which will require either broad cross-licensing or the use of open-source models.  
• Sovereignty by design: A more persuasive approach is examining how policy, governance and technical controls could be deployed to achieve sovereignty by design. This will vary by use case, and may be difficult to implement in practice Sovereignty by design wouldbe easier to achieve if public institutions and corporate customers buy in tech solutions developed by British companies, which  may mean taking a more trusted partner role and investing little but often into these companies to allow them to mature their products.                

Other key themes at London Tech Week

Alternative models

There were insights into more cost-effective alternatives to LLMs that  also offer greater control to users to localise workflows and data on-prem, on edge or even in environments that are not connected to the internet. This will be particularly attractive  to companies operating in heavily regulated sectors or CNI.  

Energy use and efficiency  

The compute energy issue was repeatedly highlighted as a key blocker in the development of AI infrastructure. Participants acknowledged that more needs to be done to increase energy output and the energy efficiency of computing models.

Public procurement

Tension in public sector tech contracts between fixed requirements and pace of change was discussed. With technology constantly and rapidly evolving, fixing requirements for 5-10 years can seem at odds with reality. User experience may suffer as solutions appear outdated and this could lead to risks including obsolescence.

The tech industry is therefore asking for a rethink of how public institutions procure tech. Given the missed opportunity in the Procurement Act 2023 to reform rules on substantial modification (note the availability to modify a contract to take advantage of developments in technology is limited to defence authority contracts), the answer lies in how requirements are drafted, which contract models are chosen (are fixed-term contracts the right approach?) and carefully designing all of these with an eye on technology roadmaps.  

Responsible AI use  

In all the discussions around responsible AI, the usual themes of trust, bias, assessment for potential for harm and transparency remain prominent and widely accepted by AI developers.  

Similar to any other tech implementations, it is important to understand from the outset how exit would work and what plan B is in case of termination. However, these topics are consistently deprioritised in negotiations: exit in the context of AI projects needs to take a more practical dimension, such as understanding what the “kill switch” is if the AI tool is going rogue and how to activate it.      

What companies should do

London Tech Week 2026 made one thing clear: the UK’s tech strategy is accelerating, but businesses will need to navigate significant practical barriers to benefit from it. Actions to take away now:  

• If you are a British tech start-up, assess eligibility for any of the proposed government initiatives.
• If you’re customer-side, revisit procurement models to see if British made tech products are an option.
• For businesses on both sides, review the products you supply or use to check what control you can assert over such tools, or where the data is hosted, and how you could achieve sovereignty if this becomes more strongly mandated from the UK Government.
• Review your responsible AI policy to ensure termination and alternative supply have been considered for each AI tool implemented by your organisation

This publication is intended for general guidance and represents our understanding of the relevant law and practice as at June 2026. Specific advice should be sought for specific cases. For more information see our terms & conditions.