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Top Tech Companies in London (8,305)

Project Partners
Consulting
London
79 Employees

We are a team of specialists, delivering successful change by building dependable relationships and empowering teams. We are always looking to build our community of partners so that we can continue to offer the best resources and deliver successful outcomes. Through our breadth and depth of specialist experience, we offer expertise across a wide range of sectors with bespoke packages...

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Project Partners
Medpace
Biotech • Pharmaceutical
7 Offices
4,515 Employees
28 Benefits

Medpace is a scientifically-driven, global, full-service clinical contract research organization (CRO) providing Phase I-IV clinical development services to the biotechnology, pharmaceutical and medical device industries. Medpace’s mission is to accelerate the global development of safe and effective medical therapeutics through its high-science and disciplined operating approach that leverages local regulatory and deep therapeutic expertise across all major areas including oncology,...

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Medpace
Optimizely
Enterprise Web • Software
18 Offices
400 Employees
40 Benefits
Out Experiment, Outperform. Win your customer at every digital experience.

Optimizely is the world’s leading experimentation platform, allowing businesses to dramatically drive up the value of their digital products, commerce and campaigns through its best in class software. By replacing digital guesswork with evidence-based results, Optimizely enables product and marketing professionals to accelerate innovation.

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Optimizely

Optimizely's Top Stability & Growth Strengths

Strong Revenue Growth: ARR surpassed $400M in May 2024 after four consecutive quarters of double‑digit growth, alongside rising multi‑product adoption. Subsequent momentum is illustrated by a 42% quarter‑over‑quarter ARR increase for the Opal AI platform with expanding usage metrics.

Innovation-Driven Growth: An active cadence of AI‑focused launches (such as Opal and a full AEO platform) and the acquisition of warehouse‑native analytics provider NetSpring indicate ongoing product expansion tied to measurable adoption. Partnerships and frequent 2026 updates suggest a deliberate push to widen capabilities and accelerate expansion within accounts.

Strong Market Position & Advantage: Leader placements in Gartner and Forrester evaluations across DXP and related categories point to sustained competitive strength. Analyst narratives highlight experimentation‑led personalization within a unified suite, aligning with consolidation trends in martech stacks.

Intuitive.Cloud
Artificial Intelligence • Information Technology • Machine Learning • Software • Database
3 Offices
255 Employees

Intuitive.Cloud is one of the fastest-growing (INC 5000, CRN) Cloud & SDx solutions and services providers supporting enterprise customers on a global scale. Intuitive is an "Engineering Company" delivering measurable value and key business outcomes. Intuitive Superpowers: - DataOps, ML/MLOps, AI/GenAI - Cloud Native, App Modernization, AppSec/DevSecOps - Cloud Migration & Transformation - Cloud FinOps - Cybersecurity (App/Data/Infra) & GRC - SDx & Digital Workspace We have achieved many...

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Intuitive.Cloud
Holibob
Information Technology • Marketing Tech
4 Offices
51 Employees

We’ve taken the complexity out of accessing, organising, and marketing the world’s most exceptional things to do. Our core aim is to deepen customer relationships and build new, sustainable lines of business for our partners using curated collections of instantly bookable things to do. We enable our B2B travel partners to access an incremental revenue stream, whilst improving their customers...

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Holibob
WeWork India
Co-Working Space or Incubator • Real Estate
82 Offices
752 Employees

WeWork India is a premium flexible-workspace operator launched in 2017. It provides customized and curated solutions for varied office-space needs, serving businesses through a network of operational centers. The company has expanded across eight Indian cities—Chennai, New Delhi, Gurugram, Noida, Mumbai, Bengaluru, Pune, and Hyderabad—with 79 operational centers spanning 9.1 million square feet, helping shape India’s flexible-workspace sector.

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WeWork India
Shadow Robot
Robotics
2 Offices
30 Employees

Shadow applied robotics technology to solve real-world problems for people. We're best known for designing and manufacturing state-of-art anthropomorphic robot hands like the Shadow Dextrous Hand which is sold globally and is used by clients in cutting edge research and industry. We have a a wealth of experience in design, development and production of robots, though, so in between designing and fabricating...

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Shadow Robot
Envisionit Deep AI
Artificial Intelligence • Healthtech • Machine Learning
London
11 Employees

Envisionit Deep AI™ is an innovative medical technology company using Artificial Intelligence to transform medical imaging diagnosis. Trained and validated by radiologists for medical practitioners, our products detect and highlight abnormalities across diagnostic medical images

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Envisionit Deep AI
WSD
Artificial Intelligence • Information Technology • Software • Industrial • Automation
London
317 Employees

WSD (www.wsd.com) is an innovative technology company, backed by leading U.K. mid-market private equity firm Bowmark Capital. Specializing in comprehensive SaaS-based solutions for the structured products and OTC derivatives markets, our cutting-edge platform and related services streamline document generation for legal, marketing, and investor communications while offering workflow automation, data and lifecycle management, and seamless integration with industry platforms and...

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WSD
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BankBI
Information Technology • Software • Analytics
Bracknell
14 Employees

Our vision is a world where CFOs and CEOs in banks, credit unions and microfinance networks can use accurate, up-to-date information to run their businesses. Our mission is to alleviate the pressure on finance professionals by removing some of the laborious, manual work from their day and provide access to information that helps them work more effectively, whenever and wherever...

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BankBI
Clothes Doctor
eCommerce • Fashion • Wearables
London
21 Employees

We think every new garment should be a friend for life, not a one hit wonder. With our range of natural, plastic-free and gorgeously scented laundry and clothing care products, and our team of rock star seamstresses, we give you the tools you need to join the slow fashion movement and take pleasure in your laundry day

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Clothes Doctor
Heap
Software • Analytics
3 Offices
388 Employees
26 Benefits

Heap is a digital insights platform that enables fast-moving digital teams to understand and improve digital experiences. We believe that every person deserves a great digital experience and every builder should have the toolkit to create them. Heap’s complete dataset, natively integrated data science, and qualitative analytics enable you to quickly pinpoint the most valuable insights and act with confidence.

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Heap
Oritain
Pharmaceutical
8 Offices
188 Employees
2 Benefits

Sustainability isn’t just about tackling climate change, it represents a growing conscience around our actions and the impact they have on people, animals and planet. The personal, professional and governmental move to sustainable practice is driven by a desire to change our impact on the world, but we can’t do this without knowing the certainty of our actions. Transparency...

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Oritain
Mumsnet
Social Impact
London
144 Employees

The UK’s no.1 platform for parents. Mumsnet is a social sharing platform that’s home to a highly engaged, organic community of 10 million parents. Our scale and our engagement levels are testament to the value we provide to parents who come here to share, learn and grow together as a community. We are, quite simply, a place for parents to...

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Mumsnet
Brandwatch
Information Technology • Software
9 Offices
1,102 Employees
29 Benefits

Understand and engage with your customers at the speed of social. Bringing together consumer intelligence and social media management, we help you do just that. React to the trends that matter, collaborate on data-driven content, shield your brand from threats and manage all of your social media channels with ease. Consumer Intelligence: Understand your consumers, your brand, and your market....

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Brandwatch
Equinox
Fitness • Healthtech
45 Offices
200 Employees

Equinox Group is a high growth collective of the world’s most influential, experiential, and differentiated lifestyle brands that includes Equinox Fitness Clubs, Blink Fitness, Pure Yoga, SoulCycle, Equinox Hotels and Equinox Media. Equinox was built on the notion that fitness can empower a life well-lived and foster a strong community of high-performance individuals. Throughout its 30-year history, Equinox continues to...

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Equinox
Bullieverse
Gaming • Software
London
22 Employees

Bullieverse is a Web3 Native Entertainment brand with omnichannel experiences like Gaming, AR/VR, and dope art. It's an ever-expanding ecosystem where community members can play games built on Unreal Engine alone, with friends, or against others in PvP to win incredible prizes and NFT rewards

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Bullieverse
Ventrata
Software • Travel
London
43 Employees

Ventrata is trusted by attractions and tour operators around the world, to help them grow and manage all the sales channels from a single platform. We offer 24/7 email, chat and telephone support and configure our solution for every client so that our technology is a perfect fit for your business.

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Ventrata
IPC Systems
Fintech
10 Offices
1,125 Employees

IPC is a dedicated Fintech company focused on providing our clients with connectivity, security and flexible solutions to reach financial markets everywhere since 1973. IPC has over 7,000 customers around the globe. From our award-winning communications platforms to our suite of compliance and network connectivity solutions, we focus on solving business challenges and meeting changing regulatory requirements, so our clients can: ▶...

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IPC Systems

IPC Systems's Top Stability & Growth Strengths

Strong Market Position & Advantage: IPC Systems is described as a recognized leader in trading communications and trading desk technology, supported by a long operating history and a large global footprint. Its specialized turret and trader-voice offerings are portrayed as mission-critical for financial-market participants, reinforcing defensibility in its niche.

Innovation-Driven Growth: Product and platform evolution is emphasized through continued launches and a transition toward SaaS and cloud-powered communications. Specific momentum indicators include large seat-count subscription deals and integration of new capabilities into core platforms.

Market Expansion: Geographic and footprint expansion is highlighted through new flagship offices in London and New York and network build-outs across multiple regions. The acquisition of Intracom Systems is positioned as expanding reach beyond front-office trading into broader enterprise communications use cases.

Voltalia
Energy • Renewable Energy
23 Offices
1,512 Employees

Voltalia is an international player in the renewable energy sector. The Group produces and sells electricity from its wind, solar, hydraulic, biomass and storage facilities. It has 2.7 GW of capacity in operation and under construction and a portfolio of projects under development with a total capacity of 16.1 GW. Voltalia is also a service provider and supports its renewable energy customers...

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Voltalia

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