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Top Big Data Companies in London (192)

Genesys
Artificial Intelligence • Big Data • Cloud • Machine Learning • Software
52 Offices
6,774 Employees
35 Benefits Hiring Now

Genesys® empowers more than 8,000 organizations worldwide to create the best customer and employee experiences. Genesys Cloud™ is the Agentic Orchestration Platform that securely connects people, systems, data and AI across the enterprise with built-in governance and control. As a result, organizations can drive customer loyalty, growth and retention while increasing operational efficiency and teamwork across human and AI workforces....

Genesys

Genesys's Top Stability & Growth Strengths

Strong Revenue Growth: Observations indicate Genesys Cloud ARR advanced consistently across recent quarters with rising total company revenue and expansion via multiple large enterprise deals, including eight‑figure annual contracts. Feedback suggests high net revenue retention and a growing cohort of million‑dollar ARR customers underpin momentum.

Innovation-Driven Growth: Observations highlight rapid adoption and monetization of Genesys Cloud AI, with AI ARR outpacing the broader platform and strong uptake of Agent Copilot and automation. Frequent delivery of new AI capabilities and features appears to accelerate platform expansion and cross‑sell.

Strong Market Position & Advantage: The company is repeatedly recognized as a Leader by major analyst firms across CCaaS and conversational AI categories. This standing is reinforced by broad global adoption, blue‑chip wins, and continued scale milestones.

Affinity.co
Big Data • Software
3 Offices
299 Employees
31 Benefits Hiring Now

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...

Affinity.co
Eigen Technologies
Artificial Intelligence • Big Data • Analytics
3 Offices
203 Employees
11 Benefits

Eigen is a document intelligence platform that uses natural language processing to enable clients to quickly and precisely extract the data they need from their contracts and paperwork so they can: - Assess and better manage risk - Meet regulatory requirements - Scale-up business operations - Automate costly manual processes Our team of 200+ scientists, engineers, strategists, and financial sector experts are based...

Eigen Technologies
Sensor Tower
AdTech • Big Data • Digital Media • Marketing Tech • Software • Big Data Analytics
6 Offices
400 Employees
28 Benefits
Sensor Tower cultivates responsibly sourced market intelligence.

Sensor Tower cultivates responsibly sourced market intelligence that provides visibility into the trends shaping the global digital economy. Our customers use these insights to help them make better business decisions. Sensor Tower data is frequently cited by top-tier trusted media institutions, including the New York Times, Bloomberg, Reuters, CNBC and more, as well as financial and academic institutions.

Sensor Tower

Sensor Tower's Top Stability & Growth Strengths

Strong Market Position & Advantage: Sensor Tower is repeatedly described as a leading, trusted provider in mobile app intelligence, with broad enterprise adoption and influential benchmark reporting. The acquisitions of major rivals and adjacent capabilities are portrayed as strengthening category leadership and competitive defensibility.

Product Line Growth: The offering is depicted as expanding beyond app-store intelligence into ad intelligence, retail media, and cross-platform gaming/live-ops analytics. Continued platform upgrades and new data products are cited as evidence of an active product cadence and widening use cases.

Market Expansion: Growth is framed through geographic reach (customers across many countries) and scope expansion into new platforms and datasets, including PC/console and generative-AI-related tracking. Strategic investment and post-acquisition dataset unification are presented as steps to broaden coverage and addressable markets.

ZipRecruiter
Big Data • HR Tech • Mobile • Software • Database
8 Offices
1,100 Employees
32 Benefits
We Actively Connect People to Their Next Great Opportunity.

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

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.

Tactic
Big Data • Software • Analytics
London
23 Employees

Generate customer data unique to your business. Improve targeting and GTM efficiency

Tactic
Amazon Web Services (AWS)
Big Data • Cloud • Logistics • On-Demand • Professional Services
11 Offices
130,207 Employees
47 Benefits

Launched in 2006, Amazon Web Services (AWS) began exposing key infrastructure services to businesses in the form of web services -- now widely known as cloud computing. The ultimate benefit of cloud computing, and AWS, is the ability to leverage a new business model and turn capital infrastructure expenses into variable costs. Businesses no longer need to plan and procure...

Amazon Web Services (AWS)

Amazon Web Services (AWS)'s Top Stability & Growth Strengths

Strong Market Position & Advantage: Feedback suggests AWS remains the top global cloud provider by share and analyst recognition, reinforced by broad services and a deep partner ecosystem. Multiple recent assessments highlight continued leadership positioning and ability to execute at scale.

Strong Revenue Growth: Feedback suggests growth reaccelerated through late 2024 and 2025, with recent quarters showing solid year-over-year increases tied to core cloud and generative‑AI demand. Commentary points to ongoing momentum heading into 2026.

Profitability: Feedback suggests AWS generates substantial operating income and remains a key profit engine for Amazon. Recent results indicate strong margins alongside expanding revenue scale.

Health Catalyst
Big Data • Healthtech • Information Technology • Analytics
8 Offices
1,362 Employees
45 Benefits

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

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.

Beauhurst
Big Data • Information Technology • Internet of Things
2 Offices
144 Employees
4 Benefits

Beauhurst provides data on every private company in the UK and Germany, from fundraisings and patents to hiring status and trade data. We track high-growth companies in great detail, using our eight tracking signals. Plus, we monitor the wider startup ecosystem of investors and accelerators. We have four data platforms built specifically for different industries: BeauhurstAdvise, BeauhurstInvest, BeauhurstImpact and BeauhurstSales....

Beauhurst
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LexisNexis Risk Solutions
Big Data • Information Technology • Other • Analytics
30 Offices
4,881 Employees
42 Benefits

LexisNexis Risk Solutions harnesses the power of data and advanced analytics to provide insights that help businesses and governmental entities reduce risk and improve decisions to benefit people around the globe. We provide data and technology solutions for a wide range of industries including insurance, financial services, healthcare and government. Headquartered in metro Atlanta, Georgia, we have offices throughout the...

LexisNexis Risk Solutions

LexisNexis Risk Solutions's Top Stability & Growth Strengths

Strong Market Position & Advantage: Across independent analyst evaluations (Forrester, KuppingerCole, Chartis, Juniper, Liminal, IDC), LNRS is frequently placed in top tiers for identity verification, fraud reduction, KYC/KYB, and AML. This sustained positioning reflects differentiated data breadth, orchestration, and decisioning capabilities at scale.

Strong Revenue Growth: RELX’s Risk segment (which substantially includes LNRS) reported year-over-year increases in revenue and operating profit in 2025, with management indicating continued strength into 2026. Reported results were dampened by currency effects versus underlying performance, suggesting healthy core demand.

Innovation-Driven Growth: The IDVerse acquisition and rapid post-deal releases (including enhanced capabilities and an insurance-focused launch) demonstrate active product investment. Integration across platforms and cross-vertical rollouts expand use cases and cross-sell potential.

Tiger Analytics
Big Data • Analytics • Business Intelligence • Big Data Analytics
5 Offices
5,000 Employees
7 Benefits

Tiger Analytics is a global leader in AI and Analytics, helping Fortune 1000 companies solve their toughest challenges. We offer fullstack AI and analytics services & solutions to empower businesses to achieve real outcomes and value at scale. We are on a mission to push the boundaries of what AI and analytics can do to help enterprises navigate uncertainty and...

Tiger Analytics

Tiger Analytics's Top Stability & Growth Strengths

Strong Market Position & Advantage: Recent independent evaluations repeatedly place the company as a Leader among specialist data/AI consultancies, notably in generative AI, customer analytics, and supply-chain analytics. This indicates a durable competitive edge in specialist segments requiring deep domain and applied data science.

Strategic Partnerships: Hyperscaler and ecosystem momentum is evidenced by recent partner-of-the-year recognition and active collaborations across Google Cloud, Microsoft, Databricks, and Snowflake. These alliances signal delivery maturity and expand go-to-market reach across major data platforms.

Strong Revenue Growth: Multiple growth proxies point to continued expansion, including consecutive high-growth company listings, rising headcount into 2025–2026, and reported revenue increases at the India subsidiary in FY2025. Continued awards, enterprise engagements, and a broad geographic footprint reinforce an ongoing growth trajectory.

Dremio
Big Data • Software
6 Offices
258 Employees
8 Benefits

Dremio is the Data Lake Engine. Created by veterans of open source and big data technologies, and the creators of Apache Arrow, Dremio is a fundamentally new approach to data analytics that helps companies get more value from their data, faster. Dremio makes data engineering teams more productive, and data consumers more self-sufficient. For more information, visit www.dremio.com. Founded in 2015,...

Dremio
Carnot
Artificial Intelligence • Big Data • Software • Automation
3 Offices
10 Employees

Carnot is a developer of a cloud-based data engineering platform designed to automate and optimize data transformation processes, utilizing machine learning and artificial intelligence to streamline data pipelines.

Carnot
Tamr
Artificial Intelligence • Big Data • Machine Learning • Software
2 Offices
62 Employees
32 Benefits
Tamr, the leader in data mastering, uses proven, patented AI to help businesses stay ahead.

Tamr provides the only AI-Native Master Data Management (MDM) solution that delivers real-time master data for every dashboard, application, and person in your business. Tamr accelerates the discovery, enrichment, and maintenance of Golden Records, enabling informed decision-making, improved revenue growth, and better customer experiences. Tamr’s patented, AI-centric approach – with human refinement and oversight – delivers value in days or weeks,...

Tamr
Splunk
Big Data • Information Technology • Security • Software • Big Data Analytics
44 Offices
8,062 Employees
42 Benefits

Splunk Inc. (NASDAQ: SPLK) brings data to every question, decision and action to help #TurnDataIntoDoing. Splunk is the world’s first Data-to-Everything™ Platform designed to remove the barriers between data and action, so that everyone thrives in the Data Age. We’re empowering IT, DevOps and security teams to transform their organizations with data from any source and on any timescale. With more than...

Splunk

Splunk's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst assessments across 2024–2025 consistently place Splunk (a Cisco company) in the Leaders tier for SIEM and Observability, with corroboration from Gartner, Forrester, and IDC. Cisco’s acquisition positions Splunk as a core pillar of a broader security and observability platform, reinforcing its competitive footing.

Strong Revenue Growth: Prior to acquisition, Splunk reported increasing total revenue and ARR with faster growth in cloud metrics. Within Cisco, reported gains in Security and Observability product lines are described as being driven in large part by Splunk’s contribution.

Investor Backing & Capital Strength: Cisco’s completion of the Splunk acquisition in March 2024 provides greater scale, distribution, and resources to the business. Cisco’s disclosures highlight a large recurring revenue base associated with Splunk, underscoring durable financial backing.

ExtraHop
Big Data • Cloud • Security • Software • Cybersecurity
8 Offices
613 Employees
32 Benefits
ExtraHop provides cybersecurity for hybrid and cloud businesses.

ExtraHop secures the hybrid enterprise through network detection and response. ExtraHop provides cloud-native network detection and response for the hybrid enterprise. Our breakthrough approach analyzes all network interactions and applies cloud-scale machine learning for complete visibility, real-time detection, and intelligent response.

ExtraHop
Day30
AdTech • Big Data • Marketing Tech
London
2 Employees
Performance Marketing & Data Science for Subscription Apps

Day30 is a performance marketing consultancy specializing in consumer subscription apps. We help marketing teams navigate signal loss in the post-privacy era, enabling them to optimize campaigns for the metrics that truly matter—CAC, LTV, and Payback Period. Our mission is to make cutting-edge data science techniques accessible to performance marketers. We offer a range of services designed to empower in-house teams,...

Day30
Valerann
Artificial Intelligence • Big Data • Information Technology • Software
2 Offices
34 Employees

We are a global leader in intelligent road traffic management solutions (ITS) and are passionate about redefining modern mobility and roadway operations. We do that through leveraging data and power of AI for enabling actionable, accurate and timely data-driven decision making. We use information from multiple disparate sources and deploy our sophisticated proprietary AI & computer vision algorithms, to extract...

Valerann
ObservePoint
Big Data • Other • Software • Analytics
2 Offices
92 Employees
20 Benefits

ObservePoint brings insights, automation, and compliance to the chaos of customer experience data with their Digital Data Governance solutions: Technology Governance, Privacy Compliance, and Campaign Performance. For organizations to be truly data-driven, they must answer two vital questions: 1) What is this data telling me about our customers? and 2) Can I trust my data? Since its creation, ObservePoint has empowered insights-driven...

ObservePoint
Ready Computing
Big Data • Information Technology • Database • Consulting • Design
2 Offices
186 Employees
4 Benefits
Empowering IT Teams with Innovative Technology Solutions

Ready Computing is a full-service IT firm specializing in the design, development, implementation, and operation of data-centric technology solutions for clients worldwide. We serve as a trusted advisor, solution provider, and services partner to organizations in both the private and public sectors, spanning health and social care, supply chain and logistics, manufacturing, financial services, insurance, and other industries. We are...

Ready Computing

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