Top Tech Companies in London (8,305)
We are Paynest! We are simplifying employee finance. We are reshaping how companies operate and engage with their employees. With flexible, simple, and innovative solutions, we enable each member of your company to focus on their true strengths. We empower leaders by bringing simplicity into their journey, offering an integrated platform of solutions crafted to effortlessly streamline their daily operations:...
Oxfam offers lifesaving support in times of crisis and advocates for economic justice, gender equality, and climate action. We work with more than 4,000 local organizations and allies in over 90 countries. With nearly 80 years of experience, we have learned what it takes to fight inequality and to mobilize people and resources worldwide to make change happen.
Millions of people use Teespring to turn their unique ideas into high-quality products. When you shop on Teespring, you’re supporting one of the independent creators in our community, as well as the causes they care about. Every product you’ll find here is made-to-order with satisfaction and quality guaranteed. That means that you get a custom product that was made for...
We are a geospatial data and imagery analysis intelligence scale up, headquartered in London. We combine cutting edge space and ground technology with human expertise and AI, offering unique solutions which enable our clients to make intelligent business decisions.
Business Talent Group (BTG), a wholly owned subsidiary of Heidrick & Struggles, connects leading companies with independent management consultants, subject matter experts, and executives to solve their biggest business problems. BTG provides just the right on-demand talent needed—on-site or remote, part-time or full-time, individuals or teams, anywhere in the world.
Yole Group is an international market and technology research company focused on semiconductors and emerging technologies. It delivers market, technology, reverse-costing, value-chain, and strategy analysis, along with reverse engineering, photonics performance evaluation, custom consulting, due diligence, and M&A advisory services. Its work helps industrial companies, investors, and R&D organizations understand technology shifts, supply chains, investment opportunities, and manufacturing strategies.
Innovation Broking is an independent commercial insurance broker for SME, mid-market and larger companies in the UK. The business focusses on companies and organisations seeking board-level advice on risk management and insurance solutions. The business was launched in 2015 by Paul Dickson, FCII and Howard Pearson, FCII bringing to bear their extensive experience over many years into an entirely client...
At Golin, we believe now is the time to embrace public relations, not run away from it. Golin is building a new, progressive form of public relations to reach a profoundly diverse global market. Our approach aligns earned-first, data-driven creative with the customer journey, to deliver maximum impact for our clients.
CDNetworks is a global content delivery network (CDN) with a fully integrated cloud security solution, offering unparalleled speed, security and reliability for the almost instant delivery of web content. Optimised for any device, browser and network, we ensure all users have a fast and safe web experience - whether you’re serving B2B or B2C customers, mobile employees or remote offices.
Atarim: Visual Collaboration for Seamless Feedback and Approvals Eliminate feedback bottlenecks and streamline your design workflow with Atarim, the visual collaboration platform that revolutionizes the way feedback is given and received. Atarim's intuitive click-to-comment feature empowers you to provide feedback directly on web pages, eliminating ambiguity and ensuring everyone is on the same page. Key Features: Intuitive Click-to-Comment: Provide feedback directly on web...
Slack has transformed business communication. It’s the leading channel-based messaging platform, used by millions to align their teams, unify their systems, and drive their businesses forward. Only Slack offers a secure, enterprise-grade environment that can scale with the largest companies in the world. It is a new layer of the business technology stack where people can work together more effectively,...
Slack's Top Stability & Growth Strengths
Strong Market Position & Advantage: Analyst assessments place Slack in the Leaders category for team collaboration, emphasizing its channel‑centric model and platform ecosystem. Its extensible App Directory and third‑party integrations are cited as core strengths supporting this position.
Innovation-Driven Growth: Native AI features and the upgraded, agentic Slackbot, together with deeper Salesforce integrations, position Slack as a hub for AI‑assisted workflows. Ongoing product velocity and alignment with Salesforce’s AI roadmap indicate a forward‑leaning innovation agenda.
Strong Revenue Growth: Salesforce’s reporting shows the segment that includes Slack grew year over year through FY2026, with additional commentary pointing to Slack’s role in large deals and pipeline. These signals suggest Slack is contributing positively to Salesforce’s top line within its reporting group.
Hays is a leading global recruitment and workforce solutions company, specializing in connecting skilled professionals with organizations across diverse industries and sectors.
Exact Sciences is changing the way we think about detecting and treating cancer. As a leader in cancer testing, we are committed to providing earlier answers and life-changing treatment guidance.
Sceenic Watch Together white-label solution (SDKs & APIs) power the world’s best co-viewing experiences for media companies, telcos, sport leagues and OTT vendors, inside their own platforms. These include BT Sport, NPO, T-Mobile, FFF, Eurovision Song Contest, ScreenHits and others.
The workplace pension that works better for everyone. We've cancelled ‘complicated’, done away with ‘difficult’ and banished ‘boring’. Our pension experience is one everyone can actually enjoy, helping employees improve their financial wellbeing and businesses grow faster.
More people find jobs on Indeed than anywhere else. Indeed is the #1 job site in the world (Comscore, Total Visits, September 2022) and allows job seekers to search millions of jobs in more than 60 countries and 28 languages. Over 3 million employers use Indeed to find and hire new employees. More than 350 million unique visitors use Indeed...
Indeed's Top Stability & Growth Strengths
Strong Market Position & Advantage: Feedback suggests Indeed remains a category leader with top-tier traffic, broad global reach, and unmatched listing volume that keep it central to job search and hiring. Multiple sources place it alongside or ahead of major platforms, reinforcing durable competitive positioning.
Strong Revenue Growth: Feedback suggests recent updates indicate a return to top-line expansion in the HR Technology segment, with notable momentum in certain regions. Commentary also highlights rising revenue per posting and improved margins contributing to the rebound.
Cost & Operational Efficiency: Feedback suggests margin gains have been supported by restructuring, lower benefit expenses, and tighter integration across assets. Management emphasis on efficiency and monetization indicates disciplined operations amid a cooler hiring backdrop.
At Yonder Data Solutions, our purpose is in our name. We exist to help our clients go further. We are a trusted fieldwork and data collection company. We partner with our clients to provide high-quality data capture and analytics solutions that unlock opportunity and drive business success. We blend state of the art data capture, delivery and visualisation solutions to...
At Timspark, we craft software that turns complex business challenges into competitive advantages. Here's why clients choose us: 1) Innovative Culture We foster skilled teams that resonate with the pace and passion of startups and the strategic needs of enterprises. 2) Engineering Excellence We develop business-centric technology solutions that scale with precision and speed. 3) Quality and Expertise With Timspark by your side, you have a trusted...
Health Catalyst is dedicated to enabling health care organizations to fundamentally improve care by building the most comprehensive and fully integrated suite of healthcare data warehousing and process improvement solutions available. Health Catalyst was formed by a group of healthcare veterans with vast data warehousing and quality improvement experience. Our founders and executives collaborated for nearly a decade to revolutionize clinical...
Health Catalyst's Top Stability & Growth Strengths
Cost & Operational Efficiency: Restructuring actions and a deliberate shift toward higher‑margin technology and applications are improving adjusted profitability and targeting stronger operating leverage. Management cites material annualized savings and contract changes designed to sustain margin gains.
Innovation-Driven Growth: The Ignite platform and AI initiatives (including Ignite Intelligence and Ignite Spark) are characterized as modular, flexible upgrades that shorten sales cycles and expand accessibility. Cloud- and data‑platform partnerships reinforce a modern architecture supporting product momentum.
Strong Brand Reputation: Recognition by respected industry and media organizations (e.g., Newsweek, TIME, Frost & Sullivan) underscores standing as a leading healthcare analytics provider. Workplace accolades and a broad installed base further reinforce credibility and trust.






























