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Top Tech Companies in London (8,305)

AB InBev
27 Offices
171,193 Employees
23 Benefits

We are the world’s leading brewer bringing people together for a better world. For centuries, the experience of sharing a beer has brought people and cultures together. Even in our hyper-connected, always-on world, this simple act is as meaningful today as it was generations ago. We are AB InBev. Committed to driving growth that leads to better living for more people...

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AB InBev
Varian
Healthtech • Biotech
21 Offices
10,000 Employees
39 Benefits

At Varian, a Siemens Healthineers company, we envision a world without fear of cancer. For more than 70 years, we have developed, built and delivered innovative cancer care technologies and solutions for our clinical partners around the globe to help them treat millions of patients each year. With an Intelligent Cancer Care approach, we are harnessing advanced technologies like artificial...

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Varian

Varian's Top Stability & Growth Strengths

Strong Market Position & Advantage: Industry analyses frequently describe external‑beam radiotherapy as a Varian–Elekta near‑duopoly, with Varian often cited at or near the top. Feedback suggests a large installed base, leading software stack, and a broad global service footprint reinforce this position.

Strong Revenue Growth: Company and trade updates state the Varian segment has posted year‑over‑year revenue growth across multiple recent periods within Siemens Healthineers, alongside positive order momentum and a growing backlog. Feedback suggests recent quarterly trends point to continued demand for systems, software, and services.

Strategic Partnerships: Integration with Siemens Healthineers provides access to imaging, diagnostics, and digital platforms, enabling end‑to‑end oncology workflows and cross‑selling advantages. Feedback suggests this parent‑level backing strengthens global reach and execution in tenders.

RedBlue Security
2 Offices
7 Employees

Since its inception, RedBlue Security has been building a global, community-based, high-caliber security recruitment practice modeled around confidentiality, integrity and availability. From Linkedin and other common social media outlets to IRC channels and deep web forums, we abandon the boring job-board trawling for a far more exhilarating, far-reaching and sector relevant search process. We have represented ex-TAO members, Pwn2Own winners, PPP...

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RedBlue Security
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Artificial Intelligence
London
22 Employees

Cutting-edge geospatial intelligence company dedicated to revolutionizing the industry with AI-driven solutions. Founded in 2023.

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Get-Optimal.com
AdTech • Artificial Intelligence • Information Technology • Software • Consulting
London
15 Employees

Inclusive candidate attraction - Automated. Get-Optimal is a global technology company and diversity, equity and inclusion provider whose core product is Job Ad optimisation. Our core technology optimises Job Ads for diversity, inclusion and SEO using Artificial Intelligence and Machine learning tech. We're integrated with Bullhorn and Salesforce. We're are a single point solution designed and built for direct employers...

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Get-Optimal.com
Invocap
Fintech • Payments • Financial Services
London
16 Employees

Invocap is a collaboration of finance and technology professionals, with backgrounds from some of the largest finance and technology institutions in the world. We are passionate about helping small and medium businesses find better ways to finance their growth. Our online tools help us see the real value of your business, by taking into account assets that a traditional bank...

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Invocap
poolside
Artificial Intelligence • Software
2 Offices
135 Employees

Building the world's most capable AI for software development & the applications to unlock the potential of developers

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poolside
Pentair
Industrial • Manufacturing
30 Offices
7,524 Employees
31 Benefits

At Pentair, we help the world sustainably move, improve and enjoy water, life’s most essential resource. From our residential and business water solutions, to industrial water management and everything in between, Pentair is focused on smart, sustainable water solutions that help our planet and people thrive. Pentair had revenue in 2023 of approximately $4.1 billion, and trades under the ticker...

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Pentair
GoodHabitz
Edtech • Software
5 Offices
425 Employees

Tomorrow calls for new skills. At GoodHabitz we are all about empowering people to reach their full potential. That's why we motivate employees, teams and organisations to develop themselves. By making learning available and achievable for everyone, we enable your employees, teams and entire organisation to tackle the challenges of tomorrow. We believe that it's people who drive companies forward. They...

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GoodHabitz
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Vanderlande
Logistics • Other • Software
8 Offices
7,500 Employees
14 Benefits Hiring Now

Vanderlande is the global market leader for future-proof logistic process automation at airports. The company is also a leading supplier of process automation solutions for warehouses and in the parcel market. Vanderlande’s baggage handling systems are capable of moving over 4 billion pieces of baggage around the world per year. Its systems are active in more than 600 airports including...

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Vanderlande

Vanderlande's Top Stability & Growth Strengths

Strong Revenue Growth: Feedback suggests revenue grew strongly year over year in FY2025 across Airports, Warehousing, and Parcel, alongside improved project conversion. Public materials also highlight a rising mix of life‑cycle services and growth supported by major wins and acquisitions.

Strong Market Position & Advantage: Vanderlande is repeatedly described as the global leader in airport baggage‑handling automation with deployments at hundreds of airports and marquee, long‑term references such as Heathrow. It is also consistently cited as a top‑tier competitor in parcel and warehouse automation despite intense rivalry.

Investor Backing & Capital Strength: Ownership by Toyota Industries and alignment within Toyota Automated Logistics provide scale, capital, and complementary capabilities across warehousing, parcel, and airports. Parent‑level emphasis on automation and rising segment sales underscore sustained support for the business.

Footballco
Information Technology • Social Media • Software
5 Offices
1,014 Employees

Nothing But Football. Everything In Football. We are a team of 350+ content creators, writers, strategic thinkers, designers, editors, directors, producers and more. We are experts on and off the pitch. We are the biggest events on the planet. We are culture’s centre of gravity. We are the women’s game. We are the next generation football business. We are Footballco.

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Footballco
Windcave
Fintech • Software • Financial Services
8 Offices
318 Employees
6 Benefits

Established in 1999 in New Zealand, Windcave stands as a high-growth, innovative leader in payment technology. We offer a seamless, global platform catering to diverse clientele including corporate, banking, and SMEs. By consolidating payment needs through a single provider, Windcave streamlines payment processes, ensuring superior experiences for countless global brands. Our services span online, in-store, and unattended environments, boasting features...

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Windcave
Hopin
Software
2 Offices
1,048 Employees
16 Benefits

Hopin now supports virtual, hybrid, and in-person events all on one easy to use platform. Built for you to build any event, Hopin makes planning, producing, and reliving event experiences easier than ever.

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Hopin
Mayar Capital
Financial Services
London
10 Employees

Mayar Capital® aims to generate excess returns over the long term by applying a disciplined value investing strategy across global securities markets. Mayar Capital® provides investment advisory and asset management services to institutions, family offices, and high net-worth individuals globally. Mayar Capital Ltd. is authorised and regulated by the Financial Conduct Authority (number 926424)

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Mayar Capital
Industry Dive
Digital Media • Social Media
4 Offices
442 Employees
27 Benefits

Industry Dive is a leading business journalism company. Nearly 13 million decision-makers across 20+ competitive industries rely on its exclusive insight and analysis delivered through 26 publications. Industry Dive was founded in 2012 to provide business leaders with the information they need to move industries forward. Our team of reporters, editors, designers, and marketers delivers insights and programs that spark...

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Industry Dive
ComeOn Group
Gaming • News + Entertainment • Esports
7 Offices
503 Employees

Founded in 2008, ComeOn Group is a leading global player in the rapidly growing iGaming market. Having launched its first online brand in 2010, ComeOn Group is running a wide range of exciting brands across multiple markets. Operating more than 20 brands on its proprietary platform providing a secure, innovative and entertainment-led player experience across casino and sports betting. ComeOn...

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ComeOn Group
Lockheed Martin
Aerospace • Security • Cybersecurity • Industrial
31 Offices
108,588 Employees
48 Benefits

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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Lockheed Martin

Lockheed Martin's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent rankings place the company at No. 1 globally and it leads major air and missile defense portfolios such as Aegis BMD and PAC‑3, reinforcing competitive advantage. Broad adoption of the F‑35 and leadership across four large segments further underpin its position.

Resilient & Sustainable Growth: A record ~$193.6–$194B backlog provides multi‑year revenue visibility across segments. Multi‑year munitions frameworks and planned PAC‑3 production ramps point to sustained demand.

Strong Revenue Growth: Sales rose 6% in 2025 to $75.0B, with segments like Missiles & Fire Control and Aeronautics expanding and guidance indicating further top‑line growth in 2026. Record F‑35 deliveries and new missile/space milestones contribute to the outlook.

Adia
HR Tech • On-Demand
3 Offices
180 Employees
6 Benefits
Launched in Switzerland back in October 2016, Adia opened an office in Austin in early 2018.

Adia is the leading on-demand staffing platform. We give businesses a better way to find the people they need. Unlike other gig platforms, we hire our workers to Adia as W-2. That means they get to keep their flexible schedule, and still get taxes withheld, benefits, and weekly pay.

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Adia

Adia's Top Stability & Growth Strengths

Investor Backing & Capital Strength: Adia originated within the Adecco Group, and the parent’s scale is described as enabling enterprise relationships and compliance infrastructure that can support the platform.

Market Expansion: The Adia brand remains available in Europe—particularly Switzerland—with active listings noted outside the U.S., indicating continued non‑U.S. market activity.

Future-Ready Strategy: An app‑based, end‑to‑end model for shift posting, matching, contracts, and timesheets positions the platform as a modern alternative to traditional temp agencies.

Entocycle
Biotech • Agriculture
London
39 Employees

The UK's leading provider of insect farms and insect technology • Our mission is to accelerate a global transition to sustainable protein, using insects and technology

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Entocycle
Fujitsu
Cloud • Hardware • Information Technology • Mobile • Software
57 Offices
64,723 Employees
27 Benefits

Fujitsu is the leading Japanese global information and communication technology company, offering a wide range of technology products, solutions and services. We build new possibilities by connecting people, technology and ideas, creating a more sustainable world where anyone can advance their dreams.

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Fujitsu

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