Top Big Data Companies in London (192)
Gravity's mission is to make streaming data easy from over 100 sources while only paying for what you use. Gravity removes the reliance on engineering teams to deliver streaming pipelines with a simple interface to get streaming up and running in minutes from databases, event data and APIs. Everyone in the data team can now build with simple point and click...
LōD is a grid-aware energy optimization platform designed for data centers to seamlessly and safely add flexibility to their operations. Our state-of-the-art, AI-powered analytics solution helps operators optimize performance, reduce energy costs, ensure compliance, and unlock new revenue through demand response and grid balancing programs.
Dynata is the world’s largest first-party data platform for insights, activation and measurement. With a reach that encompasses over 62 million consumers and business professionals globally, and an extensive library of individual profile attributes collected through surveys, Dynata is the cornerstone for precise, trustworthy quality data. The company has built innovative data services and solutions around its robust first-party data...
Dynata's Top Stability & Growth Strengths
Strong Market Position & Advantage: The company is repeatedly characterized as a top-tier, scale leader in global first-party panels and large-scale fieldwork, appearing among major industry rankings and serving thousands of clients worldwide. Its panel reach and ability to deliver fast, multi-market incidence-finding are highlighted as clear execution advantages.
Investor Backing & Capital Strength: After a court-approved restructuring, the company emerged with reduced leverage and fresh financing to support its roadmap. These actions are framed as stabilizing the balance sheet and extending runway for long-term programs.
Future-Ready Strategy: Management articulated a multi-year transformation with investments in product, quality certifications, and go-to-market leadership. New offerings and integrations (e.g., activation workflows and AI-driven quality features) indicate continued movement toward higher-value use cases.
ZipRecruiter is a leading online employment marketplace. Powered by AI-driven smart matching technology, the company actively connects millions of all-sized businesses and job seekers through innovative mobile, web, and email services, as well as partnerships with the best job boards on the web. We're growing rapidly in pursuit of this mission, and we're always looking for talented people to join...
ZipRecruiter's Top Stability & Growth Strengths
Innovation-Driven Growth: The platform is positioned around AI-driven matching and new features, with performance-based revenue improving late in 2025 alongside marketplace enhancements. Product extensions such as workplace ratings and other AI-led initiatives are framed as levers to improve engagement and monetization.
Cost & Operational Efficiency: Adjusted EBITDA remained positive despite a soft hiring cycle, and margins improved in Q4 with guidance for further margin expansion in 2026. This points to cost discipline and the ability to generate operating leverage even when revenue is uneven.
Strong Brand Reputation: The company is described as highly rated in app and satisfaction contexts, reinforcing a strong product experience and recognition among its core employer segment. Brand awareness among U.S. employers is characterized as strong, supporting demand generation in SMB hiring.
Celebal Technologies is a premier software services company in the field of Data Science, Big Data and Enterprise Cloud. Celebal Technologies helps you to discover the competitive advantage by employing intelligent data solutions using cutting-edge technology solutions that can bring massive value to your organization. The core offerings are around "Data to Intelligence", wherein we leverage data to extract intelligence...
Develop Beyond. Empowering people and businesses through tech, talent, and innovative solutions. Digital. Design. Data Analytics and AI/ML
Thales is a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust, which is vital to the development of our societies. The company provides solutions, services and products that help its customers – businesses, organisations and states – in...
Thales's Top Stability & Growth Strengths
Strong Revenue Growth: Sales increased in 2025 versus 2024, with early 2026 also showing higher sales and management guiding to further organic growth in 2026.
Profitability: Adjusted EBIT rose and margins improved in 2025, indicating strengthening operating performance alongside growth.
Resilient & Sustainable Growth: Record order intake and an order book above €53 billion provide multi‑year visibility, and a book‑to‑bill above 1 with reaffirmed 2026 targets supports continued expansion.
Affinity’s patented technology structures and analyzes millions of data points across emails, calendars, and third-party sources to offer users the tools they need to automatically manage their most valuable relationships, prioritize important connections, and discover untapped opportunities. Affinity uses artificial intelligence to analyze relationship strength and illuminate the best paths to warm introductions. The platform also offers a holistic view...
LVNDR is a fully remote digital health service providing holistic healthcare for LGBTQ+ people to access care remotely including text/video consultations, testing, medication and support. We empower users to take control of their health with greater access to tailored services and features designed to fit their needs
Our mission is defeat trafficking networks. We are an intelligence-driven counter-human trafficking organization. As callous as it sounds, we believe most traffickers exploit people for one reason: because it makes money. In order to defeat them, we start by learning how their business works–how it’s organized, how it operates, and what drives profit. By analyzing a trafficker’s business, we can identify...
Bitwise accelerates Data Modernization for AI Readiness with automated ETL, Data and BI migration solutions. Visit www.bitwiseglobal.com/en-us/ to see how we use our 28+ years of enterprise data warehouse experience and automation tools to achieve faster time-to-value of analytics and AI initiatives. We are the industry’s most experienced and dedicated team of data professionals, focusing on Data Warehousing, Data Integration, AI/ML...
Atos is a global leader in digital transformation with 110,000 employees and annual revenue of € 12 billion. European number one in Cybersecurity, Cloud and High-Performance Computing, the Group provides tailored end-to-end solutions for all industries in 73 countries. Pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos operates under...
SG Analytics leverages AI, analytics, research, and technology to deliver valuable, relevant, and reliable insights. Its offerings include data analytics, AI-powered solutions, Technology Services, Generative AI Solutions, and AI-driven data services. Established in 2007, SG Analytics is a Great Place to Work® (GPTW) certified company with a team of over 1600 employees. SG Analytics's offices are in New York, London,...
Craft illuminates the path to global supply chain resilience. We empower businesses to strengthen their supplier networks and supply chains with the industry's most trusted and comprehensive data fabric and advanced risk mitigation engine. Our easy-to-use platform provides 360-degree visibility to quickly explore and evaluate supplier networks, AI-driven insights to detect and mitigate disruptions, and collaborative tools to optimize supply...
About HAVI HAVI is a global, privately owned company that connects people with ideas, data with insights, supply with demand, restaurants with deliveries, and ultimately, people with the products they love. Whether we are sourcing, storing, or delivering products, we bring unmatched category expertise and unrivaled operational excellence, combined with powerful digital analytics and insights. Founded in 1974, HAVI employs more than 10,000...
HAVI's Top Stability & Growth Strengths
Strong Market Position & Advantage: Within quick-service/foodservice supply chains, HAVI is widely regarded as a leader, anchored by a uniquely integrated global role with McDonald’s in packaging data, tracking, and compliance. Its dedicated foodservice footprint serving 300+ brands with multi‑temperature logistics and millions of deliveries reinforces a defensible position in this niche.
Strategic Partnerships: Anchor relationships with McDonald’s, a cold‑chain joint venture with SF Holding in China, and collaboration with Kinaxis for advanced planning illustrate a partnership‑driven model that compounds capability and reach. Recognition for its MyHFM platform further signals ecosystem strength beyond traditional 3PL execution.
Market Expansion: Recent openings and upgrades—such as the Lisbon TechHUB, a new Madrid distribution center, and a larger “future‑ready” site in Hungary—point to continued build‑out of capacity and geography. Local hiring plans in Poland and additional European investments align with a scaling network.
Signol is a software platform that draws on insights from behavioral economics to encourage employees to make more efficient decisions. Signol provides personalized feedback through multiple communication channels, as well as data analysis for managers. In aviation, Signol aims to use behavioral "nudges" and incentives to reduce pollution and fuel waste and cut operating costs. We see a world where...
Flexera delivers SaaS-based IT management solutions that enable enterprises to accelerate digital transformation and multiply the value of their technology investments. We help organizations inform their IT with definitive visibility into complex hybrid IT ecosystems, providing unparalleled IT insights that allow them to seize technology opportunities. And we help them transform their IT with tools that deliver actionable intelligence across...
Flexera's Top Stability & Growth Strengths
Market Expansion: Multi‑year acquisitions—Snow Software (2024), NetApp’s Spot FinOps portfolio (2025), and ProsperOps plus Chaos Genius (2026)—broaden coverage across ITAM, SaaS, FinOps, and AI/data‑cloud cost optimization. Ongoing 2026 Flexera One releases, including a ProsperOps+ FinOps suite, reinforce expansion into Kubernetes/container and AI cost domains.
Strong Market Position & Advantage: Leader placements in Gartner’s 2025–2026 SaaS Management Platforms MQ and 2024–2025 Cloud Financial Management Tools MQ indicate competitive strength across core segments. Company materials and State of the Cloud/ITAM reports further underscore presence with large enterprises.
Innovation-Driven Growth: Continuous 2026 feature updates to Flexera One and the launch of AI Cost Management signal active product investment. Agentic/AI capabilities added via ProsperOps and Chaos Genius enhance automation in cloud and data‑cloud optimization.
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.
Graylog specialises in delivering top-notch Threat Detection, Investigation, & Response (TDIR) solutions, backed by our latest addition, the Graylog API security platform. As a renowned centralised log management (CLM) and Security Information Event Management (SIEM) provider, we offer unparalleled fast and efficient log analysis capabilities in critical areas such as security, compliance, operations, and DevOps. Our enterprise solution enables organisations...
Vidi Corp is a leading provider of data analytics solutions that specialises in data visualisation, business intelligence and advanced analytics. Having delivered over 1,000 projects to more than 600 clients, the company has built a strong reputation as a reliable partner for organisations aiming to maximise the value of their data. Through its BI consulting services, Vidi Corp supports seamless data...







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