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Top Tech Companies in London (8,302)

10x Banking
Cloud • Fintech • Software • Financial Services
2 Offices
367 Employees

So far, true core banking transformation has been held back by the compromise between fast-to-market but inflexible "configuration" neo cores on one hand, and flexible but highly complex and costly "framework" neo cores on the other. The 10x Banking platform offers the best of both worlds, driving a generational leap forward in core banking technology; the world’s first “meta core”....

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10x Banking
Telent Technology Services
Information Technology
5 Offices
2,605 Employees

Telent is a leading technology company and specialist in the design, build, operation, and maintenance of the UK’s critical digital infrastructure, drawing on decades of experience in mission critical communications and technology. With a strong focus on the public sector, key customer areas include transport, emergency services, network providers and the public sector. Our expertise, accreditations and knowledge make us a...

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Telent Technology Services
Fulcrum Digital Inc.
Information Technology
11 Offices
942 Employees
15 Benefits

Fulcrum Digital is a leading IT services and business platform company. We partner with global companies from diverse industries, including banking and financial services, insurance, higher education, food services, retail, manufacturing, and eCommerce. With expertise in digital transformation, machine learning, and emerging technologies, we offer a consulting-led, integrated suite of enterprise-grade software products, services, and solutions. Founded in 1999, Fulcrum...

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Fulcrum Digital Inc.
Compunnel Inc.
Edtech • Information Technology • Consulting
16 Offices
2,269 Employees
11 Benefits

Founded in 1994, Compunnel Inc. is a leading provider of bespoke workforce management, IT consulting, and e-learning solutions tailored to transform your business for the digital age. Ranked by SIA amongst the Largest Staffing Firms in the US, we offer the whole gamut of workforce solutions including contingent staffing, full-time hiring, payroll, and SOW services. Never satisfied with the status...

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Compunnel Inc.

Compunnel Inc.'s Top Stability & Growth Strengths

Strong Market Position & Advantage: Meaningful national scale is indicated by SIA placements cited by the company, including #57 among the largest U.S. staffing firms (2024) improving to #48 (2025) and a strong #18 position in U.S. IT staffing (2024). Segment strength is reinforced by additional category recognition such as appearing on SIA’s largest direct-hire firms list, supporting a “strong mid-market leader” profile in IT-focused talent solutions.

Resilient & Sustainable Growth: Momentum is suggested by year-over-year improvement in reported SIA ranks from 2023 to 2025 and repeated multi-year growth recognitions such as multiple Inc. 5000 appearances. Additional external recognition like USPAACC’s Fast 100 listing is presented as corroboration of sustained growth rather than a single-period spike.

Diversified Revenue Streams: A broader service mix beyond staffing is emphasized through references to digital/AI, cloud, cybersecurity, and learning solutions alongside IT staffing and direct hire. Vertical and channel extensions (e.g., enterprise and public-sector programs, MSP/VMS participation) suggest multiple pathways to revenue and demand smoothing across cycles.

Prospective
Artificial Intelligence • Software
London
15 Employees

Prospective’s operations platform (FlowOS) enables vehicles, infrastructure and digital devices to connect, coordinate and synchronise autonomously. Our technology enables fleets to automatically adjust their scheduling, dispatch and navigation to deliver better coordinated, more responsive services using fewer resources.

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Prospective
opinov8
Cloud • Software • Database
4 Offices
144 Employees

Opinov8 is a trusted provider of custom software development and cloud and data services. Our team of experts has helped businesses across a range of industries to achieve their digital goals and stay ahead of the curve. We specialize in developing software solutions tailored to the unique needs of each client, whether it's a web or mobile application or an...

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opinov8
Plusgrade
Information Technology • Consulting
8 Offices
693 Employees
16 Benefits

Plusgrade powers the global travel industry with its portfolio of leading ancillary revenue solutions. Over 200 airline, hospitality, cruise, passenger rail, and financial services companies trust Plusgrade to create new, meaningful revenue streams through incredible customer experiences. As an ancillary revenue powerhouse, Plusgrade has generated billions of dollars in new revenue opportunities across its platform for its partners while creating...

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Plusgrade
Transformation Lead
Information Technology • Software • Consulting
3 Offices
6 Employees

Transformation Lead is a Global Consulting Firm headquartered in Atlanta, GA that helps organizations adapt to the rapid technological advancements of the modern age. Our consultants work with enterprise-level corporations, governments, and nonprofits to implement operational solutions that allow our clients to streamline processes, increase efficiency, and stay competitive in their respective industries. Our solutions are focused on driving business value...

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Transformation Lead
Logz.io
Cloud • Information Technology • Software
4 Offices
221 Employees
37 Benefits

Logz.io helps cloud-native businesses monitor and secure their environment with comprehensive open source tools. Our platform turns observability from a high-cost, low-value burden to a high-value, cost-efficient enabler of better business outcomes by combining and extending familiar, powerful and relevant Open Source capabilities across Logs, Metrics and Traces - complemented by security monitoring in the form of cloud-based SIEM.

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Logz.io
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Blackhawk Network
eCommerce • Payments
14 Offices
2,265 Employees
24 Benefits

Blackhawk Network delivers branded payment solutions through the prepaid products, technologies and network that connect brands and people. We collaborate with our partners to innovate, translating market trends in branded payments to increase reach, loyalty and revenue. Serving 28 countries, we reliably execute security-minded solutions worldwide. Join us as we shape the future of global branded payments.

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Blackhawk Network

Blackhawk Network's Top Stability & Growth Strengths

Strong Market Position & Advantage: Blackhawk is widely characterized as a leader in branded payments and third‑party gift card distribution, operating across 28 countries with over 400,000 consumer touchpoints and handling annual volumes above $35 billion. Market share indicators and entrenched retail distribution reinforce a durable competitive position.

Strong Revenue Growth: Revenue increased from 2023 to 2024 and preliminary 2025 adjusted operating revenue growth was cited near high single digits, with expectations for additional mid‑single‑digit gains into 2026. Growth contributions span Global Commerce and Global Incentives, aided by a rising digital mix.

Innovation-Driven Growth: Expansion into digital and B2B incentives (including the Tango Card acquisition) and launches like the stored value platform and Digital Wallet API signal a technology-forward roadmap. Digital products approaching a majority of sales volume and new channels (e.g., social commerce) support margin expansion and scalability.

Refinitiv
Artificial Intelligence • Machine Learning
London
7,131 Employees

Refinitiv, an LSEG (London Stock Exchange Group) business, is one of the world’s largest providers of financial markets data and infrastructure. With $6.25 billion in revenue, over 40,000 customers and 400,000 end users across 190 countries, Refinitiv is powering participants across the global financial marketplace. We provide information, insights, and technology that enable customers to execute critical investing, trading and...

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Refinitiv
Odysea Limited
Leyton
47 Employees

Odysea Limited is a UK food and beverage company bringing authentic Greek and Mediterranean specialties to consumers. Founded by Panos Manuelides, the business began with premium Greek olives sold from a Portobello Road stall and developed into a supplier and retailer of Greek foods and fine Mediterranean ingredients, including products such as olives, honey, and other pantry staples. Its mission...

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Odysea Limited
GT Nexus
Software
22 Offices
960 Employees

The Infor GT Nexus Commerce Network is a cloud-based collaboration platform that helps over 25,000 companies move $500 billion in goods across the world's largest global supply chains. With over 100,000 people using our platform, the network is an engaged community of manufacturers, retailers, logistics providers, carriers, suppliers, and banks who collaborate to solve the enormously inefficient problems that sit...

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GT Nexus
ZND
Fintech • Internet of Things
London
A groundbreaking platform where managing your digital assets is simple and rewarding.

Navigating the digital finances space is now made easy through our ecosystem of AI-powered services built for humans, not bots. We bring an easy-to-use platform designed for anyone who wants to manage, explore and get the most out of their digital assets in a secure and intuitive environment.

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ZND
OSTTRA
Fintech • Payments • Financial Services
London
977 Employees
2 Benefits

Welcome to the home of MarkitServ, Traiana, TriOptima and Reset. OSTTRA brings together the expertise, processes and networks to solve the post-trade challenges of the global financial markets. We strengthen the post-trade infrastructure and ecosystem with robust and progressive end-to-end solutions and unrivaled connectivity. We sit at the heart of post-trade and the centre of the post-trade community for over...

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OSTTRA
McGill and Partners
3 Offices
535 Employees
1 Benefits

Launched in 2019, McGill and Partners is a new boutique risk solutions business created by some of the most well-regarded leaders in the insurance and reinsurance industry. We believe that an open, aligned and progressive insurance market benefits everyone. Our role as brokers is to create specialist transactions to manage risk, while delivering economic flexibility and stability for our clients. Our vision...

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McGill and Partners
Sharkmob
Gaming • Software
2 Offices
457 Employees

Sharkmob is a game development company with studios located in Malmö, (Sweden) and London (UK). We are currently working on one major project: Exoborne – a Sharkmob original game created in Malmö, is a tactical, open-world extraction shooter set in a United States torn apart by apocalyptic forces of nature. Our first game Bloodhunt - a battle royale set in the...

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Sharkmob
Twitter
Software
21 Offices
1,171 Employees
36 Benefits

Life’s not about a job, it’s about purpose. We believe real change starts with conversation. Here, your voice matters. Come as you are and together we’ll do what’s right (not what’s easy) to serve the public conversation.

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Twitter
Hippo
Software • Design
5 Offices
440 Employees

At Hippo, we design with empathy and build for impact. We do this by combining data-informed evidence, human-centred design and software engineering. We're a digital services partner who is genuinely invested in helping our clients thrive as modern organisations. Our delivery methodology is truly agile, from concept to reality, supporting innovation and continuous improvement to achieve your desired outcomes. We firmly...

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Hippo
Rathbones Group
Financial Services
22 Offices
1,902 Employees
20 Benefits

Rathbones provides individual investment and wealth management services for private clients, charities, trustees and professional partners. We have been trusted for generations to manage and preserve our clients’ wealth. Our tradition of investing and acting responsibly has been with us from the beginning and continues to lead us forward. Our ambition is to be recognised as the UK’s most responsible...

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Rathbones Group

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