Top Tech Companies in London (7,384)
Zimbra Our Customers & Partners! Zimbra, a Synacor product, is an email and collaboration platform that includes contacts, calendar, tasks, instant messaging, and file sharing, plus add-ons such as videoconferencing, document creation, and file storage. Zimbra powers hundreds of millions of mailboxes in 140+ countries and is offered through more than 500 BSPs and 2000 channel partners. Enterprises, governments, and...
The AI Neuroscience company. We're hiring AI Bio Researcher & ML Researcher Engineers in SF - https://www.primamente.com/join-us/
Integral Ad Science (IAS) is a leading global media measurement and optimization platform that delivers the industry’s most actionable data to drive superior results for the world’s largest advertisers, publishers, and media platforms. IAS’s software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments, while improving return on ad spend for...
Integral Ad Science's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is growing at a sustained double-digit pace, with recent results showing continued expansion and management guiding to further double-digit growth. Although the pace has moderated from earlier years, the trajectory remains firmly positive.
Profitability: Profitability is solid, with high gross margins and improvements in net income and adjusted EBITDA in several recent quarters. Guidance emphasizes profitable growth, indicating focus on earnings quality alongside scale.
Strategic Partnerships: Partnerships with major platforms such as Amazon, TikTok, Meta, Google, Netflix, Spotify, and The Trade Desk embed the company across key digital channels. These integrations and accreditations broaden distribution and support momentum in social, CTV, and retail media.
HTC Corporation (HTC) designs for a better world, connecting people in ways never thought possible. As a global innovator in smart mobile devices, connected technology and virtual reality, HTC has produced award-winning products and industry firsts since its inception in 1997, including the highly acclaimed One and Desire line of smartphones, the HTC Vive virtual reality system and Under...
Maximise Google PMax Performance Upp.ai interprets billions of product and market data points to allow you to successfully deploy more Ad budget across a wider range of products while minimising management overhead. With the introduction of Google Performance Max, the retail digital landscape has changed and advertising teams now need the support of AI and machine learning (ML) to deliver against business...
Mentor Digital is an established, full-service digital agency based in Bristol & London. We are proud to be the largest Umbraco Gold Partner agency in the South West! Recently listed in the South West's top 25 digital agencies by turnover, Mentor's award winning in-house team delivers a market leading range of services including project leadership, web design & development, usability...
We’re on a mission to drive digital innovation as the leader in low-code application development. Our Platform empowers companies to take control of their digital journey by providing the tools, resources, and services necessary for faster and better software development. Our goal is to remain at the forefront of software innovation by fostering a company culture that inspires creativity and collaboration....
Mendix's Top Stability & Growth Strengths
Strong Market Position & Advantage: Analyst recognition repeatedly positions Mendix in the Leaders tier for enterprise low-code platforms, which indicates durable competitive standing in its core segment. Enterprise-grade capabilities (governed full-stack delivery, integration, collaboration) are highlighted as central strengths in recent write-ups.
Innovation-Driven Growth: Product momentum is signaled by major releases such as Mendix 11 and frequent point releases into early 2026, indicating sustained R&D investment. AI-related moves (e.g., integrations like Amazon Bedrock and broader AI initiatives) are framed as demand-aligned roadmap progression.
Strategic Partnerships: Siemens’ continued positioning of Mendix within its Digital Industries Software/Xcelerator narrative supports channel and ecosystem leverage. Ecosystem investment signals (e.g., Siemens acquiring a Mendix partner/ISV) further reinforce partner-led expansion potential.
DS2 (Dynamic Software Solutions) provides full spectrum software engineering and application development, focused on emerging technologies for DoD, federal, and commercial clients. Utilizing agile development practices, DS2 specializes in creating software engineering solutions and integrations in mission planning; 3D modeling and simulation; the TAK capability suite (ATAK, WinTak); and embedded software, mapping, and situational awareness domains
Everest Group is a research firm focused on strategic IT, business services, engineering services, and sourcing. Our research also covers the technologies that power those processes and functions and the related talent trends and strategies. Our clients include leading global companies, service and technology providers, and investors. Clients use our services to guide their journeys to maximize operational and financial...
Institutional Grade Multi Asset, Data, Analytics Platform for Portfolio Managers, Traders and Quants --- Website: https://www.apexe3.com
United BioSource LLC (UBC) is the leading provider of evidence development solutions with expertise in uniting evidence and access. UBC helps biopharma mitigate risk, address product hurdles, and demonstrate safety, efficacy, and value under real-world conditions. Underpinned by our scientific expertise, data and analytics, and innovative technologies, we offer our customers flexible solutions generating the relevant real-world data necessary to...
UBC's Top Stability & Growth Strengths
Strong Market Position & Advantage: UBC is repeatedly described as a leader in specialized biopharma service niches such as evidence development, REMS administration, and pharmacovigilance, supported by its scale (global footprint across multiple countries) and established operating history since the early 2000s.
Innovation-Driven Growth: The company highlights tech-enabled solutions and modernization efforts (e.g., HL7/FHIR interoperability work and pharmacovigilance reporting platform upgrades), signaling continued investment in capabilities that can support durable growth.
Strategic Partnerships: Multiple strategic partnerships and collaborations (e.g., with Datavant and Osmind) are cited as expanding offerings in observational research, REMS workflow integration, and patient access programs, indicating active ecosystem building.
Three UK is a big network for the little or life-changing connections that make life richer. Our brand embodies the strength of our network and how we can provide better connectivity every day for every customer. Three UK was founded in 2003 to challenge the mobile industry, and now covers 99% of the UK outdoor population with its combined 3G...
Built for precision, designed for patients. Sania [sah-nee-ah] is a London based biotech company building therapeutics that transform the lives of people with diseases of dysfunctional neural circuits.
Established in 1960, the Healthcare of Ontario Pension Plan (HOOPP) is a multi-employer defined benefit pension plan for Ontario's hospital and community-based healthcare sector. We serve more than 460,000 members who provide valued healthcare services at more than 670 employers across the province. At HOOPP, we exist to provide a stable and reliable pension for our members that starts in...
Cassini's Margin and Collateral analytics optimize derivatives trading with intelligence-driven analytics, reducing risk and enhancing returns for the buyside and sell side. We facilitate margin calculation, lifetime cost assessment, and seamless integration with OMS, EMS, and Collateral systems for streamlined access to our analytics. Our clients have realized significant benefits, such as boosted cash levels, reduced funding charges, and minimized...
Here at iSmash we believe that when people need help with their technology they should be able to find somewhere that's convenient, quick and provides the highest quality and friendly service at a price that doesn't cause the same worry as a broken phone. We are the trusted chain of repair centres for smartphones, tablets and computers. We distinguish ourselves...
We are focused on digitally transforming our customers with innovative solutions in Salesforce, Software Engineering, Cloud, Integration, Mobility, Testing, and end-to-end managed services. We are spearheading digital transformation with next-generation solutions using Data Analytics, AI/ML and IoT coupled with UX and UI. We help our clients from Early Thinking to Execution, Requirement Definition to SLA-based Fixed Price, Risk, and Reward-based...
Getty Images believes the right image, video or illustration can move the world. We deliver standout visual content to our customers, to power their commerce and ideas, and connect to their audience. For nearly 30 years, we’ve helped creative, business and media customers to define moments and shift perceptions using powerful visuals from gettyimages.com, istockphoto.com and unsplash.com.
Getty Images's Top Stability & Growth Strengths
Strong Market Position & Advantage: Competitive assessments place the company alongside Shutterstock and Adobe as one of the principal global providers of paid stock content, and as the clear UK leader in editorial. Longstanding relationships with major news and sports outlets reinforce this position.
Innovation-Driven Growth: Generative AI tools trained on licensed content and delivered with indemnification position the offering as a risk‑mitigated choice for enterprises. Being a launch partner on NVIDIA’s evolving Edify roadmap signals continued differentiation in safe‑to‑use AI.
Diversified Revenue Streams: A multi‑brand portfolio spanning premium enterprise (Getty Images), SMB/prosumer (iStock), and free‑plus‑subscription (Unsplash) reaches buyers from large media houses to individual creators. Revenue comes from a mix of annual subscriptions and large licensing agreements, creating multiple monetization paths even as deal timing can be lumpy.
T. Rowe Price is an asset management firm focused on delivering global investment management excellence and retirement services that investors can rely on—now, and over the long term. Headquartered in Baltimore, Maryland, we provide an array of mutual funds, subadvisory services, separate account management, recordkeeping, and related services for individuals, advisors, institutions, and retirement plan sponsors. At T. Rowe Price, we...
T. Rowe Price's Top Stability & Growth Strengths
Strong Market Position & Advantage: The firm is positioned as a top-tier provider in retirement target-date solutions and a large global active manager by assets under management, indicating durable franchise strength in its core niches.
Strategic Partnerships: A partnership with Goldman Sachs to develop offerings blending public and private assets signals an attempt to broaden distribution and reinforce competitiveness in retirement and wealth channels.
Product Line Growth: Expansion in ETFs and alternatives, including private credit capabilities via Oak Hill Advisors, indicates active build-out of new product lanes beyond traditional active mutual funds.
















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