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London is Europe's quantum finance and application hub. Here quantum computing meets banking, cybersecurity, and AI with over 800 quantum professionals working across 25+ companies.

Problems that would take a supercomputer thousands of years to crack could be solved by a quantum computer in minutes. … Our goal is for quantum computers to be accessible to everyone. Simon Benjamin, co-founder of the London-based start-up Quantum Motion Ltd.

How many quantum computing jobs are available in London?

As of 2025, London has 800 active quantum job postings ranging from startups, fintech, tech firms, and research institutes. Notable clients are Quantinuum, multinational banks involved in quantum finance, and academic research teams at Imperial College London and University College London. There was a 40% boom in London quantum Jobs, mainly in the finance sector in areas of optimisation, cryptography, and risk analysis in 2024.

What is the average salary for quantum jobs in London?

Quantum professionals in London earn between £55,000 - 135,000 a year, making it the highest-paying region in the UK.

• Entry-level roles:- £60,000 to £80,000 for quantum software and research positions.
• Mid-level engineers:- £85,000 to £110,000 in development or algorithm design;
• Senior scientists:- £115,000 to £135,000+, especially in leadership or R&D roles.

Quantum professionals working in the financial sector often earn total compensation above £150,000, thanks to performance bonuses and stock options.

Which companies in London are hiring for quantum positions?

Top employers in London’s quantum ecosystem include:

• Quantinuum:- Formed from the merger of Cambridge Quantum and Honeywell, leading in quantum software and hardware integration.
• Financial institutions:- Barclays, HSBC & Goldman Sachs, all exploring quantum algorithms for trading and portfolio optimization;
• Global tech leaders:- Google DeepMind & Amazon Web Services with active quantum research teams;
• Universities:- Imperial College London, University College London, and King’s College London hiring quantum researchers.

More than 20 early-stage quantum startups in Shoreditch and King’s Cross are focusing on quantum cryptography, AI, and optimization technologies.

What makes London attractive for quantum computing careers?

For building a quantum career, London is one of the best locations in Europe. It has a unique combination of a strong financial industry, technology, and expertise in quantum finance, quantum security, and AI.

• It is Europe’s largest tech hub and home to more than 40,000 tech companies.
• London attracts over £1 billion in venture capital a year.
• It has a multicultural population and provides strong international links.

Professionals enjoy high pay, global reach, and quantum research across industries..

What networking opportunities exist for quantum professionals in London?

The diverse network of quantum events and conferences creates a vibrant quantum community.

• With over 400 members, the London Quantum Computing Meetup community is quite active.
• Workshops are regularly held at the Quantum Engineering Centre at Imperial College London.
• Bringing together industry practitioners and academics, the annual QuantumTech London conferences are an important highlight.
• Symposiums on quantum finance are organized by banks and other financial institutions.
• Entrepreneur First and other startup accelerator programs promote cross-fertilization between quantum technology and startups.

This mix of academic, industrial, and startup events makes London ideal for collaboration and career growth.

How does London’s quantum job market compare to Cambridge?

London offers broader and more commercial opportunities; while Cambridge focuses more on fundamental research and hardware development.

• Cambridge opens 2x more positions than the number of positions in London.
• Although the cost of living is higher, the average salary is 15-20% more.
• In scientific R&D and quantum hardware, Cambridge excels while in finance, AI, cybersecurity, and business development London is dominant.

Together, they form the UK’s most powerful quantum corridor, balancing innovation with real-world application.