Top Tech Companies in London (8,305)
Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk. The company’s AI Trust Platform seamlessly integrates into developer and security workflows to accelerate secure software delivery in the AI Era. Snyk delivers trusted, actionable insights and automated remediation, enabling modern organizations to innovate without limits....
Snyk's Top Stability & Growth Strengths
Resilient & Sustainable Growth: Revenue and ARR continued to rise, with ARR surpassing $300M by 2025 and revenue increasing in 2024. Feedback suggests growth has moderated from earlier hypergrowth into a steadier, efficiency‑focused trajectory while the customer base expanded to 4,500+.
Product Line Growth: Snyk Code reached $100M in ARR and newer offerings such as DAST and AI‑focused products (e.g., Evo) showed strong momentum. These developments indicate the platform is extending beyond its original core into additional security categories.
Market Expansion: Enterprise adoption intensified, with that segment driving a large share of new additions and AI security opening fresh routes to demand. Customer counts grew materially from 2024 into 2025, signaling broader market reach.
Toast is the all-in-one platform built for restaurants of all sizes. Toast provides a single platform of software as a service (SaaS) products and financial technology solutions that give restaurants everything they need to run their business, including point of sale, payments, supplier management, digital ordering and delivery, marketing and loyalty, and team management. By serving as the restaurant operating...
Toast's Top Stability & Growth Strengths
Strong Revenue Growth: Results show sustained low- to mid‑20s year‑over‑year expansion, including roughly 23% in Q2 2026 and 24% for full‑year 2025. Guidance points to continued double‑digit growth in recurring gross profit.
Profitability: Financial disclosures indicate rising GAAP profitability, with Q2 2026 net income increasing to about $154 million and adjusted EBITDA stepping up alongside raised full‑year targets. Profit growth is occurring in tandem with expanding scale across ARR, locations, and GPV.
Strong Market Position & Advantage: Evidence characterizes the company as a leading U.S. restaurant‑focused platform with approximately 180,000 locations, record quarterly net adds, and notable enterprise wins and partnerships. Scale in locations and GPV reinforces competitive positioning within restaurant technology and payments.
CAIS is the leading alternative investment platform for independent financial advisors. The CAIS platform powers the pre-trade, trade, and post-trade lifecycle of alternative investments providing financial advisors and alternative asset managers a single operating system for scale and efficiency. CAIS serves over 2,000 wealth management firms that support more than 50,000 financial advisors who oversee approximately $6 trillion in end-client assets....
CAIS's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is reported as compounding at a strong organic rate over multiple years, indicating sustained expansion. Platform activity also rose materially in early 2026, with transaction volume and total platform assets moving higher.
Investor Backing & Capital Strength: The company secured a sizable mid-2026 financing at a multibillion-dollar valuation, bringing total capital raised to a substantial level. Participation by well-known institutional investors and independent confirmations of the round point to strong external confidence.
Market Expansion: The platform footprint expanded meaningfully since 2025, adding hundreds of new wealth firms and growing access across firms, advisors, and end‑client assets. Usage deepened as well, with existing customers increasing activity and one product area accelerating sharply.
Genius Sports is the layer between what happens on the field and how the world engages with it. Our solutions across the global sports ecosystem are underpinned by our next generation big data and artificial intelligence platform, GeniusIQ. By ingesting and computing multiple real-time data feeds, GeniusIQ powers a wide range of functions and applications across sports performance and officiation, fan engagement,...
Genius Sports's Top Stability & Growth Strengths
Strong Revenue Growth: Reported results show consistent top-line increases through 2025 and into 2026, including a sharp acceleration in Q2 2026. Guidance was raised above $1B for 2026, underscoring momentum.
Strategic Partnerships: Long-term, often exclusive relationships with tier‑one rights holders such as the NFL (through 2029), Football DataCo/Premier League (through 2029) and the NCAA (through 2032) reinforce commercial visibility. These agreements expand distribution and underpin growth across betting and media.
Innovation-Driven Growth: Product advances like GeniusIQ, BetVision, and Second Spectrum tracking are cited as drivers of expanding media and betting solutions. This innovation push aligns with rapid Media segment growth and broader market expansion.
tms unites technology and marketing and sourcing to drive transformational change for the world’s leading brands. With 1200+ employees across 26 countries, we offer an impressive range of solutions — from inspiration and innovation to category management and delivery. Headquartered in Chicago with 10 offices worldwide, we are responsible for some of the world’s most successful and iconic long-term marketing...
tms's Top Stability & Growth Strengths
Strong Hiring & Retention: Available information indicates headcount has moved from more than 900 to about 1,400 alongside active recruitment across marketing, design, engineering, and procurement, signaling ongoing talent expansion. Third‑party and campus postings in 2026 also reference 1,400+ employees across 26–28 countries.
Market Expansion: The organization operates across 26–28 countries with offices spanning North America, Europe, the Middle East, and Asia. This broad international footprint supports delivery across 100+ countries and multi‑market programs.
Strategic Partnerships: Continuing activity with major global clients such as McDonald’s, Starbucks, O2, Sony and others is evidenced by recent 2026 campaigns and long‑tenured relationships. The company also cites 400+ brand partnerships and large‑scale daily reach, indicating depth of commercial ties.
As the trusted choice for digital agencies, SaaS platforms, and web professionals, Duda powers over 1 million websites worldwide. Our platform offers a comprehensive suite of tools that enable users to efficiently create pixel-perfect, feature-rich websites at scale.
Duda, Inc.'s Top Stability & Growth Strengths
Strong Revenue Growth: Third-party estimates indicate revenue/ARR has risen meaningfully in recent cycles, with figures moving from roughly the mid-teens to the $40M–$75M range and directional growth reported from 2023 to 2025. Given the absence of audited disclosures, the clearest signal is the consistent upward trajectory rather than precise amounts.
Market Expansion: Company-reported adoption expanded from about 6,000 customers in 2019 to 23,000+ organizations, alongside growth from ~500,000 websites to 14M+ sites built and independent trackers detecting more active Duda domains. An agency- and partner-led go-to-market with hosts, media companies, and SaaS platforms underscores scaling distribution.
Innovation-Driven Growth: Rapid uptake of new AI capabilities (e.g., 45% of sites using at least one AI feature since 2023) and continued product expansion, including e-commerce via Snipcart and API-driven tooling, indicate product-led growth. Ongoing AI stack releases and professional workflows for agencies support deeper engagement and expansion.
Yext (NYSE: YEXT) is the enterprise agentic marketing platform. Built on the world's most comprehensive structured data platform for local businesses, Yext gives brands and their partners the visibility intelligence to win every moment of discovery – across AI and traditional search. Yext's API-first architecture connects structured data to APIs, MCP servers, and generative interfaces, so partners and developers can...
Yext's Top Stability & Growth Strengths
Profitability: Net income turned from -$27.9M in FY2025 to +$37.9M in FY2026, and adjusted EBITDA rose from $67.0M to $107.3M with margin expansion. Profitability continued into FY2027 with strong quarterly EBITDA performance.
Cost & Operational Efficiency: Operating discipline, restructuring, and reduced expenses are credited with materially improving margins and earnings despite muted top-line trends. The business has shifted from loss-making expansion to efficiency and margin expansion.
Future-Ready Strategy: Product investments and positioning around AI/agentic marketing (e.g., Scout, Corvo AI) and targeted acquisitions (e.g., Hearsay) indicate a pivot toward AI-driven search visibility and regulated-industry use cases. This suggests preparation for evolving demand rather than reliance solely on legacy listings revenue.
Since 2012, Mirakl has been pioneering the platform economy, empowering retail and B2B enterprises with the most advanced, secure and scalable technology to digitize and expand product assortment through marketplace and dropship, improve efficiency in supplier catalog management and payments, personalize shopping experiences, and boost profits through retail media. Mirakl is trusted by Macy’s, Saks, Henry Schein, The Knot, 1800-Flowers, Best...
Mirakl's Top Stability & Growth Strengths
Strong Revenue Growth: ARR increased from $177M in 2024 to $218M in 2025, with reported ARR roughly doubling since 2021. Platform activity also expanded as GMV rose from $11.2B to about $14.6–$15B over the same period.
Profitability: The group was profitable throughout 2025, following earlier profitability in the core Platform business. This progression indicates improving operating leverage alongside continued expansion.
Diversified Revenue Streams: Newer products are contributing incremental revenue, with Mirakl Connect generating about $11.7M ARR in under a year and Mirakl Ads seeing a sharp rise in ad spend in 2025. Customer additions (45 global enterprises in 2025) and launches across marketplace and dropship broaden the commercial base.
As the world’s largest asset manager, BlackRock partners with investors around the globe to help them (and those on whose behalf they invest) plan for life’s most important goals – like retirement, home ownership and their children’s education. Our clients range from governments, foundations and other large institutions to those investing on behalf of individuals, including firefighters, nurses, teachers and...
BlackRock's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue increased year over year in 2025 and accelerated further in early 2026, with adjusted operating income also rising. This points to broad-based top-line momentum beyond a single period.
Strong Market Position & Advantage: The company is characterized as the world’s largest asset manager with record-high assets under management and leading ETF scale. This scale advantage underpins continued client inflows and platform reach.
Diversified Revenue Streams: Growth is coming from multiple engines, including iShares ETFs, active strategies, private markets, and technology services such as Aladdin, alongside newer digital-asset offerings. This breadth reduces reliance on any single product line.
Flywire is a global payments enablement and software company. We combine our proprietary global payments network, next-gen payments platform and vertical-specific software to deliver the most important and complex payments for our clients and their customers.
Flywire's Top Stability & Growth Strengths
Strong Revenue Growth: Recent filings and earnings updates indicate sustained double-digit increases across annual and quarterly revenue, with momentum continuing into 2026. Guidance was raised during the year, reinforcing ongoing top-line expansion across core verticals.
Profitability: Results point to improving earnings quality, including a shift to positive net income on an annual basis and expanding adjusted EBITDA margins. Management also signaled further margin gains in 2026.
Customer Loyalty & Retention: Disclosures highlight a growing client base alongside net dollar-based retention that indicates expansion within existing customers. Wins across education, travel, healthcare, and B2B suggest durable relationships that support recurring growth.
Flatiron Health is a healthtech company dedicated to helping cancer centers thrive and deliver better care for patients today and tomorrow. Through clinical and data science, we translate patient experiences into real-world evidence to improve treatment, inform policy, and advance research. Cancer is smart. Together, we can be smarter. Flatiron Health is an independent affiliate of the Roche Group.
Flatiron Health's Top Stability & Growth Strengths
Market Expansion: International footprint is described as rapidly scaling, with the oncology research network tripling year over year and later noted as nearly 70% ex‑U.S. growth across the UK, Germany, Japan, and new regions like Scotland. Point‑of‑care reach is also portrayed as expanding, with 1,600+ sites of care and increases from earlier baselines.
Product Line Growth: New offerings include the launch of Flatiron Telescope and multiple AI-enabled datasets, alongside expansions of major assets such as the NSCLC Panoramic dataset. Additional capabilities like LLM-based data extraction and new hematology datasets indicate broader, monetizable product breadth.
Strategic Partnerships: Collaborations are highlighted with organizations such as NCCN, Quest Diagnostics, Candid Health, TailorMed, and DeepScribe, as well as a multi‑year partnership alongside the Paradigm transaction. Engagements with 20+ global oncology drug developers and academic institutions reinforce a partnership‑driven operating model.
Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency,...
Klaviyo's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is rising at a double-digit pace, with FY2025 up about 32% to $1.234B and Q1–Q2 2026 growing roughly 28% and 26% year over year, alongside raised FY2026 guidance implying around 24% growth. Larger-account cohorts also expanded materially, reinforcing the top-line trajectory.
Customer Loyalty & Retention: Dollar-based net revenue retention was approximately 109–110%, indicating existing customers are expanding spend on the platform. Higher-value segments grew quickly as well, including customers generating over $50K in ARR rising in the mid-to-high 30% range year over year.
Market Expansion: International revenue is outpacing overall growth, including 42% growth in FY2025 and mid-30% growth in early 2026. Total customers also surpassed 205,000 globally as enterprise and multi-product adoption broadened.
LogicMonitor® is the AI-first hybrid observability platform powering the next generation of digital infrastructure. LogicMonitor delivers complete visibility and actionable intelligence across on-premises, cloud, and edge environments. By anticipating issues before they strike, optimizing resources in real time, and enabling faster, smarter decisions, LogicMonitor helps IT and business leaders protect margins, accelerate innovation, and deliver exceptional digital experiences without compromise....
LogicMonitor's Top Stability & Growth Strengths
Strong Revenue Growth: ARR moved from surpassing $300M in June 2025 to exceeding $400M by May 2026, indicating a substantial year-over-year increase. The company also reported a 36% five-year organic CAGR in 2024, underscoring sustained momentum.
Product Line Growth: Edwin AI recurring revenue is reported to be growing around 200% year over year and contributing about one-third of total bookings. The December 2025 Catchpoint acquisition expanded capabilities into internet performance and digital experience monitoring.
Market Expansion: Larger enterprise accounts grew more than 25% year over year in 2025 and the company cited 700+ enterprise customers by late 2025. More than 30% of new customers came from outside the U.S., indicating ongoing international expansion.
adMarketplace is the leader in next gen search advertising on the open web. For over two decades, adMarketplace has delivered relevant search advertising to consumers who skip the legacy search engine results page. The world's largest search advertisers drive measurably incremental results from adMarketplace's exclusive media opportunities across the internet's leading browsers, shopping apps, and editorial sites. Our mission is to...
adMarketplace's Top Stability & Growth Strengths
Resilient & Sustainable Growth: Long-term growth is characterized by a reported 23% average annual rate over the past decade, with earlier communications noting a triple-digit expansion year in 2021. These multi-year indicators point to momentum that extends beyond a single cycle.
Market Expansion: Geographic reach is widening with new leadership hires across Western Europe and ongoing openings in sales, operations, and business development, explicitly described as expanding the global footprint. Office presence across multiple cities supports an active international scale-up.
Innovation-Driven Growth: Product momentum includes AI-native search monetization, progressing from an Opera AI alpha to a broader AI Discover beta. Leadership additions and stated investment in talent and technology aim to accelerate commercial growth and product innovation.
Rokt is the global leader in ecommerce, unlocking real-time relevance in the moment that matters most - The Transaction Moment. Rokt’s AI Brain and Ecommerce Network powers billions of transactions connecting hundreds of millions of customers, and is trusted to do this by the world’s leading companies including Live Nation, Macy’s, Fanatics, AMC Theatres, PayPal, Uber, Hulu, Staples, Albertsons and...
Rokt's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is described as reaching about $600M with 43% year-over-year growth in 2024, with consistent references to 40%+ growth and independent estimates indicating expansion toward ~$900M annualized in 2025. This pattern is reinforced by multi‑year growth markers such as 330% revenue growth over a recent three‑year period and listings on major fast‑growth rankings.
Strong Market Position & Advantage: Scale indicators include 33,000+ companies (including more than half of leading global ecommerce brands), 165M monthly active users growing 45%+ YoY, and billions of transactions processed (7.5B+ in 2025 and 13B+ projected in 2026). High‑profile enterprise adoption across sectors (e.g., Uber, Live Nation, Macy’s, PayPal) underscores traction at the transaction moment.
Investor Backing & Capital Strength: Valuation stepped up from $2.4B (2022) to $3.5B in a January 2025 secondary transaction, alongside a prior $325M Series E and a $335M secondary, signaling sustained investor confidence. These capital events coincide with disclosures of rapid revenue growth and continued scaling.
Geneva Trading LLC is a leading proprietary trading firm with a history of consistent success in the listed derivatives markets. Over the past 20 years, we’ve grown significant capital, developed proven technology, and maintained an appetite for diversified trading strategies. We foster innovation and look for people who can solve complex problems that drive immediate results. We've built a culture of...
Geneva Trading's Top Stability & Growth Strengths
Market Expansion: Offices in Chicago, Dublin, and a newly opened London location, along with growth into OTC oil trading, indicate ongoing geographic and market expansion. Company materials also describe actively inviting established traders and teams as part of entering new markets.
Strong Hiring & Retention: Hiring spans trading, quantitative research, technology, risk, and operations, supported by structured campus programs and internship pipelines. Recent openings across multiple offices (e.g., OTC Oil Desk Lead, discretionary traders, IT and data roles) point to capability build-out.
Innovation-Driven Growth: Sustained investment is described in ultra‑low‑latency systems, proprietary FPGA capabilities, high‑fidelity data, and a proprietary electronic trading platform. Recent technology hires align with a tech-led growth posture that supports revenue generation.
At monday.com, we help teams get more work done. We are the best AI work platform that empowers teams to automate, build, and scale their impact end-to-end with tools that actually execute the work for you. With over $1B in ARR, 250,000+ customers, and a global team, we’re serious about building a product people love to use and giving our...
monday.com's Top Stability & Growth Strengths
Profitability: Net income reached $118.7 million in 2025 versus $32.4 million in 2024 and a small loss in 2023, alongside record non‑GAAP operating income and margin improvements in 2026. This indicates the company is scaling efficiency while expanding.
Strong Revenue Growth: Revenue rose 27% in 2025 to $1.232 billion and continued to increase 22% year over year in Q2 2026, with management guiding 19%–20% growth for 2026. While the pace has moderated from earlier years, the top line remains firmly upward.
Innovation-Driven Growth: ARR from AI products doubled quarter over quarter in Q2 2026 and represented 17% of net new ARR. The pivot to an AI work platform is contributing discernible incremental demand.
Altana powers agentic trade workflows and public-private collaboration across product value chains — the source of truth for where products come from. With Altana, businesses can prove compliance before goods ship and build more efficient, resilient, and secure supply chains. Logistics providers can automate the full brokerage workflow, and governments can promote economic security, manage borders, and enable the flow...
Altana's Top Stability & Growth Strengths
Investor Backing & Capital Strength: Funding reached a $200M Series C in July 2024 at a $1B valuation with prominent investors. Available evidence suggests substantial capital to scale and strong external confidence.
Market Expansion: Engagements extended across governments and enterprises, including the UK’s £8M three-year program, a CBP contract expansion, and new deployments with General Atomics Aeronautical Systems and Scarbrough Global; by 2026, the company said 8 of the world’s 10 largest logistics providers were customers. These signals indicate continued penetration into large, international accounts and public-sector programs.
Product Line Growth: The offering broadened beyond supply-chain mapping into compliance, procurement, trade-risk management, and customs-automation workflows, including the 2026 Cervo AI acquisition. 2025–2026 materials describe additional use cases and live customer deployments.
Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s...
Citadel Securities's Top Stability & Growth Strengths
Strong Revenue Growth: Reported 2025 trading revenue rose to $12.2B from $9.7B in 2024, and 2026 featured record quarters such as a $7.3B Q2, indicating material topline expansion. EBITDA was also reported higher in 2025, reinforcing financial momentum.
Strong Market Position & Advantage: The company indicates it executes a substantial portion of daily U.S. equity and retail trading volumes and holds a top rank on Tradeweb for U.S. Treasury flows, underscoring entrenched scale. Leadership in listed options and as an NYSE Designated Market Maker further points to durable competitive advantage.
Market Expansion: New initiatives such as launching a High Touch Equities business in late 2025, opening an Amsterdam office in 2026, and operating across 50+ equity and fixed‑income markets signal active expansion. Ongoing hiring—1,800+ employees, dozens of open roles across regions, and the firm’s largest intern class—suggests continued investment in capacity.
Adyen (ADYEN:AMS) is the financial technology platform of choice for leading companies. By providing end-to-end payments capabilities, data-driven insights, and financial products in a single global solution, Adyen helps businesses achieve their ambitions faster. With offices around the world, Adyen works with the likes of Meta, Uber, H&M, eBay, and Microsoft.
Adyen's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is rising at a sustained double‑digit pace across multiple periods, and management increased its constant‑currency growth outlook for 2026 after a strong first half. The company is also described as growing faster than the broader payments market by deepening share of wallet with major global merchants.
Profitability: Operating performance remains robust, with EBITDA expanding faster than revenue in 2025 and margins staying very high into 2026. This points to meaningful operating leverage alongside continued scale.
Product Line Growth: Expansion beyond core online payments is evident, with Unified Commerce and Platforms showing rapid gains and newer areas such as issuing, intelligent money movement, and agentic payments ramping. Recent acquisitions (e.g., loyalty and usage‑based billing) further broaden capabilities and potential revenue streams.







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