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Top Tech Companies in London (8,305)

Prokarium
Biotech
London
24 Employees

Prokarium is pioneering the field of microbial immunotherapy. Our pipeline is designed to unlock the next level of immuno-oncology by building on the most recent advances in cancer immunology. Prokarium’s lead program is focused on transforming the treatment paradigm in bladder cancer by orchestrating immune-driven, long-lasting antitumor effects.

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Prokarium
Marquee TV
News + Entertainment
London
17 Employees

Marquee TV is the leading global streamer for dance, opera, music and theatre. Based in London and available around the world, Marquee TV offers subscribers the richest curation of the world's greatest artists in their finest performances, from cutting-edge to the classics. Launched to critical acclaim in 2019 (‘Culture addicts put away your passports, Marquee TV is here’ – New...

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Marquee TV
Koch Industries
Hardware • Energy
13 Offices
31,000 Employees
25 Benefits

Based in Wichita, Kansas, Koch Industries is one of the largest private companies in America. A diverse set of businesses and industries across the world, we work together to keep improving and exploring new ways to make life even better. With 122,000 global employees and locations in nearly every U.S. state and 60 countries, Koch companies offer abundant opportunities to improve...

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Koch Industries
Managed Service Provider
Information Technology
Sevenoaks
21 Employees
We are a managed IT services provider offering cloud, cybersecurity, monitoring and IT support.

We are a trusted IT partner delivering reliable technology management and support for modern businesses. Our focus is on maintaining secure, efficient, and scalable IT environments through proactive monitoring, cloud solutions, cybersecurity, and infrastructure support. By simplifying complex systems and ensuring smooth day-to-day operations, we help organizations improve productivity, reduce downtime, and adapt confidently to evolving digital demands.

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Managed Service Provider
SIME Diagnostics
Artificial Intelligence • Biotech
London
33 Employees

SIME is a clinical AI company applying medical excellence, proprietary AI and data ingenuity to deliver rapid respiratory intensive care diagnostics for acute unmet needs. Our clinically proven technology enables early intervention in life-threatening diseases - improving outcomes and reducing costs.

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SIME Diagnostics
Tietoevry
Information Technology • Consulting
43 Offices
15,123 Employees
18 Benefits

In a rapidly changing world, technology is everything. It's in the fabric of society. In every part of every business. At the very heart of human evolution. It’s a great power that comes with great responsibility. At Tietoevry, we believe it’s time to shift perspective. It’s not about what technology can do anymore — but what it should. So that the...

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Tietoevry
Flexiant
Cloud • Information Technology • Software • Automation
London
200 Employees

Flexiant provides cloud orchestration software focused solely to the global service provider market. Flexiant Cloud Orchestrator is a cloud management software suite that arms service providers with a customizable platform to help them turn innovative ideas into revenue generating services quickly and easily. With Flexiant, service providers can generate more revenue and accelerate growth, compete more effectively and lead the...

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Flexiant
The Round
Digital Media • Gaming
London
9 Employees

Experience the power of The Round, a innovative new tool for real-time spatial streaming, enabling developers and immersive studios to deliver high quality, infinitely scalable real-time animations on demand across all XR projects and games. Join us in shaping the future of Spatial Computing with a seamless blend of technology, creativity, and excitement!

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The Round
ghSMART
Information Technology • Business Intelligence • Consulting
15 Offices
219 Employees
24 Benefits Hiring Now

ghSMART is always hiring A-Players, for more information on current openings visit ghsmart.com/careers. Since our founding in 1995, our mission has always been to use our expertise in business and human behavior to help CEOs, boards, and investors build valuable organizations. Because we work with those who share our belief that leadership is the ultimate lever for positive change and value...

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ghSMART
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Evonik
3D Printing • Chemical
120 Offices
13,812 Employees
36 Benefits Hiring Now

Evonik is one of the world’s leading specialty chemicals companies. While we don’t produce electric cars, aircraft, medications or 3D printers, Evonik is part and parcel of these and many other end products. That’s because we contribute the small things that make a big difference. We make electric car batteries perform better, aircraft greener, medications more effective and 3D printers...

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Evonik

Evonik's Top Stability & Growth Strengths

Strong Market Position & Advantage: Feedback suggests Evonik holds leading positions in PA12, silicas, methionine, and active oxygens, underpinned by large integrated capacities and recent expansions. Its consistent standing among sizable specialty players reinforces durable competitive footing even as leadership is selective by niche.

Cost & Operational Efficiency: Feedback suggests multiyear efficiency programs, footprint optimization, and a reorganization into two core segments are lifting margin resilience and execution control. Meeting guidance and maintaining disciplined capital allocation indicate sustained cost rigor.

Future-Ready Strategy: Feedback suggests management is pivoting toward higher‑margin specialties and sustainability‑advantaged Next Generation solutions, with capacity additions and portfolio streamlining aligned to targeted growth vectors. The spin‑out of infrastructure services and planned divestments sharpen strategic focus and capital deployment.

VTS
Productivity • Real Estate • Software • PropTech • Big Data Analytics
5 Offices
200 Employees
39 Benefits
We are changing the way that Commercial Real Estate operates on a day to day basis. Join us!

VTS is the commercial real estate industry’s leading technology platform that transforms how strategic decisions are made and executed across the asset lifecycle. In 2013, VTS revolutionized the commercial real estate industry’s leasing operations with what is now VTS Lease. Today, the VTS Platform is the largest first-party data source in the industry and delivers data insights and solutions for...

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VTS

VTS's Top Stability & Growth Strengths

Strong Market Position & Advantage: VTS is positioned as a category leader in landlord-side leasing and asset-management workflows, with the platform described as an industry standard used broadly across major portfolios. Its scale is reinforced by claims of a very large global footprint (billions of square feet) and deep penetration in Class A office, plus adoption by marquee owners and brokerages.

Innovation-Driven Growth: Product momentum is tied to the launch of VTS AI in 2025, which is repeatedly cited as a key catalyst behind “record growth” and ongoing workflow improvements. Continued releases through 2025–2026 and AI-focused role postings indicate sustained investment in AI/data capabilities as a growth lever.

Investor Backing & Capital Strength: The company is described as having substantial funding support, including a large Series E round and strategic participation, indicating access to capital to fund product expansion and go-to-market efforts. References to valuation and funding earmarked for innovation and expansion reinforce capital strength.

Global Relay
Information Technology
7 Offices
964 Employees
14 Benefits

Global Relay is a leading provider of compliant electronic communications archiving, messaging, supervision, information governance, and eDiscovery. Our 20,000+ customers in 90 countries include highly regulated organizations and other corporate firms, including financial services, insurance, technology, energy (oil and gas), legal, government and healthcare. Global Relay preserves more than 60 data types within a unified, highly-secure cloud repository. Data types include: email,...

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Global Relay
CINCHONA
eCommerce • Retail
London
24 Employees

Cinchona acquires, incubates and develops great ecommerce brands. We are backed by leading investors and our team has deep expertise in ecommerce, technology, and M&A. We are building an ecosystem of e-commerce entrepreneurs. For entrepreneurs, by entrepreneurs.

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CINCHONA
Scout Clinical
2 Offices
72 Employees
15 Benefits

Scout Clinical’s mission is to make it easier for patients to participate in clinical trials. From travel arrangements and payment management to regulatory review and special services, we do it all.

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Scout Clinical
Hadean
Information Technology • Consulting
London
96 Employees

We deliver transformative AI-powered spatial computing applications for immersive web experiences that seamlessly bridge physical and virtual worlds. Our solutions cater to the commercial, enterprise, gaming, and government sectors. To date, our technology has been embraced by Microsoft, Minecraft, Epic Games, Sony, YOURE, Pixelynx and The Francis Crick Institute. Hadean is also a trusted partner for defence and aerospace leaders...

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Hadean
TrustFlight Group
Aerospace • Professional Services • Software
7 Offices
253 Employees
8 Benefits
TrustFlight drives safer, smarter aviation through integrated software and professional services.

TrustFlight helps organizations run safer, more efficient operations in one of the most complex and highly regulated industries in the world: aviation. Since our inception, TrustFlight has grown into a global provider of software and expert services focused on safety management, compliance, and risk reduction. In simple terms, TrustFlight builds technology that helps aviation teams stay on top of the details...

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TrustFlight Group
Medbelle
Healthtech
London
63 Employees

Welcome to Medbelle. Raising the standard of healthcare and making it accessible to all. By combining patient-centric care with technology that ensures the patient experience is organised, personalised and seamless

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Medbelle
Bristlecone
Information Technology • Consulting
5 Offices
3,058 Employees

Bristlecone is the industry’s largest pure-play supply chain service provider. As the trusted partner for AI-first supply chain transformations, we specialize in empowering customers with tech-enabled solutions for planning, sourcing, and fulfillment. Through our consulting, platforms, and supply chain build and enablement expertise, we help Global 2000 organizations in the life sciences, retail, consumer goods, manufacturing, and high-tech industries drive...

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Bristlecone

Bristlecone's Top Stability & Growth Strengths

Strong Revenue Growth: Management statements and trade-press reporting indicate notable year-over-year revenue expansion alongside plans to scale through acquisitions. Hiring signals and measured headcount growth further suggest momentum in building delivery and go-to-market capacity.

Strategic Partnerships: Evidence shows deep, long-standing alignment with SAP (including SAP Gold Partner status) and Kinaxis (including VAR and authorized training designations), reinforcing strong positioning in leading planning ecosystems. Frequent participation in SAP, Kinaxis, and related partner events indicates active pipeline development through the ecosystem.

Future-Ready Strategy: Signals point to an AI-first, consulting-led approach with an explicit push to add productized offerings (e.g., Trace.ai) and pursue acquisitions. Leadership moves are framed around accelerating this scale-up strategy.

BMW Group
Automotive • Manufacturing
29 Offices
51,000 Employees
9 Benefits

With its four brands BMW, MINI, Rolls-Royce and BMW Motorrad, the BMW Group is the world’s leading premium manufacturer of automobiles and motorcycles and also provides premium financial and mobility services. The BMW Group production network comprises over 30 production sites worldwide; the company has a global sales network in more than 140 countries. In 2023, the BMW Group sold over...

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BMW Group
RINA
Professional Services
144 Offices
6,638 Employees
13 Benefits

We are 5,600+ around the world. We at RINA provide expert solutions for engineering, testing, inspection and certification across diverse markets. In 2000, we inherited a legacy from one of the world's first ship classification registers (Registro Italiano Navale) and turned it into a “business-to-society" company that helps clients stay ahead of changes and grow sustainably. We engage in partnering with...

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RINA

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