Top Tech Companies in London (8,305)
Reimagine the employee experience with Unily. Increase employee productivity and accelerate organizational velocity with the #1 AI-powered enterprise Employee Experience Platform. Unily’s comprehensive platform is redefining employee experiences for the modern workplace, equipping enterprises with the tools to maximize organizational velocity, while enabling better alignment, engagement, and empowerment across distributed teams.
Sparta Commodities is a market-leading provider of real-time, AI-powered market intelligence and analytics for commodity traders, specializing in oil and gas. The platform delivers forward-looking insights, including pricing trends, arbitrage signals, and freight intelligence, empowering trading desks to transition from fragmented data and spreadsheets to high-conviction decisions within a unified, collaborative workspace.
Better Collective is a digital sports media group operating a House of Brands of digital sports media, sports betting media and esports & gaming communities. We are on a mission to excite sports fans through engaging content and foster passionate communities worldwide. Incorporated in Denmark in 2004, Better Collective remains under the direct management of its founders, Jesper and Christian. Since...
Better Collective's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue rose 9% year over year in Q2 2026, with Q1 also returning to growth (5% reported, 9% in constant currencies). North America drove momentum alongside revenue-share agreements, talent-led media, and prediction markets.
Profitability: EBITDA grew 20% in Q2 2026 and the EBITDA margin expanded to 30%, indicating operating leverage rather than merely higher top-line. Improved earnings quality is visible alongside rising new depositing customers.
Strong Market Position & Advantage: A large and expanding audience (over 450 million monthly visits) and a portfolio of leading brands in sports-betting media support competitive standing, with indications of leadership in selected markets. Independent commentary and market-specific data (e.g., Brazil) reinforce this position.
Insight* is one of Europe’s largest investment managers** responsible for £626.2bn/€757.3bn*** in assets under management (AUM) across fixed income, risk management strategies including liability-driven investment (LDI) and currency risk management, absolute return and multi-asset capabilities. Based in London, Insight is a specialist asset manager with a global network of operations in the UK, Ireland, Germany, US, Japan and Australia. Our...
ThinkMarkets is a premium multi-asset online brokerage. We offer quick and easy access to a wide range of markets including Forex, CFDs on equities, Cryptocurrencies, Commodities, Indices and more. We bring together people from different backgrounds with impressive skillsets, and together they make us even more than the sum of our parts.
Longshot Systems is a small startup producing high throughput, low latency trading software and tools for use in sports betting markets. Our core systems handle thousands of trading signals per second, all of which must be processed and potentially acted upon with minimal latency. We have similar challenges to high frequency trading shops, but in the sports betting world.
As top 10 fastest growing UK accounting and advisory firm, we’ve been there, as a trusted partner, helping businesses and individuals meet challenges and seize opportunities across generations. In a world that is constantly evolving we help our clients thrive by simplifying the complex, illuminating new paths, and shaping solutions that really make a difference. Since 1881, we’ve been a trusted partner,...
.png){kind=logo}
At Relativity, we build innovative and comprehensive tools for making sense of unstructured data. When more people can find the facts in mountains of documents, emails, and texts, more legal and data-centric matters can be resolved equitably. Join us in our mission to help our customers organize data, discover the truth, and act on it. Relativity makes software to help users...
Relativity's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent analyst placement as a Leader and entrenched use among major firms and government indicate durable positioning across end-to-end e-discovery. RelativityOne’s scale and expanding AI capabilities reinforce suitability for large, complex matters.
Strategic Partnerships: Expanded alliances with firms like PwC, Alvarez & Marsal, CDS, Lineal, and Array signal increased channel capacity and go-to-market momentum around RelativityOne and aiR. Partner activity is positioned to accelerate adoption and broaden reach.
Market Expansion: Announced APAC build-out (including a new Singapore entity) and government-ready offerings point to growing geographic and sector coverage. New hosting locations and regional hiring indicate a deepening international presence.
Melotech is revolutionizing media and entertainment. We create art through technology for humans to enjoy. In just 18 months, our work has been heard, watched and loved for over 2 billion minutes worldwide.
Planet provides integrated software, payment and technology solutions for its customers in the Hospitality and Retail sectors and worldwide via a network of global Financial Services Partners. Founded over 35 years ago, we have evolved our services, delivering an innovative digital commerce platform that puts customer experience first. With headquarters in London and around 3,000 expert employees located across six...
Adaptive was founded in 2012 when four industry experts recognised that real-time technology is fundamentally changing businesses within the financial, capital and commodities markets. These systems are complex and need the very best people and IP to successfully deliver them.
.jpeg)
Jellyfish is a new kind of marketing performance company for the platform world, where success demands a creative, multi-platform mindset. We help brands thrive, by navigating, connecting, and harnessing the platforms that drive growth. We’re more than the same logo over every door. Our unique global structure combines platform understanding with tech, media, creativity, and data expertise. We make amazing...
Jellyfish (jellyfish.com)'s Top Stability & Growth Strengths
Strategic Partnerships: Long‑standing Google Marketing Platform/Google Cloud relationships are reinforced by repeated Google Cloud Training Partner of the Year recognition and regional GMP Partner of the Year wins, alongside Amazon Ads DSP reseller status and participation in Walmart Connect’s partner network. A joint initiative with Google Cloud to bring newer AI models and partner case studies further underline depth in the Google ecosystem.
Innovation-Driven Growth: AI‑enabled production and new AI‑led offerings (such as an AI‑powered media in‑housing platform and agent solutions) appear alongside expanded training credentials and multiple innovation awards. These moves indicate ongoing investment in platform‑native, data/AI‑driven execution.
Strong Market Position & Advantage: The company is portrayed as a major player and credible leader in digital‑first, platform‑centric marketing with global reach under The Brandtech Group, supported by blue‑chip partnerships and recognized work. Leadership signals are strongest around Google/Amazon‑centric enablement and training where repeated recognitions are documented.
Swap builds infrastructure to enable global commerce, from our real time tax and duty API, our Universal Catalog to power agentic shopping, our new agentic commerce platform and our full global services network. The Future of Commerce Starts Here. ? swap-commerce.com
Acrisure is a global Fintech leader that combines the best of humans and high tech to offer multiple financial products and services to millions of businesses and individual clients. We connect clients to solutions that help them protect and grow what matters, including Insurance, Reinsurance, Cyber Services, Mortgage Origination and more. Acrisure employs over 16,000 entrepreneurial colleagues in 21 countries...
Carta develops purpose-built software that transforms traditional accounting into a powerful growth engine. Carta’s world-class fund administration platform supports nearly 7,000 funds and SPVs, and represents nearly $130B in assets under management in venture capital and private equity. Trusted by more than 40,000 companies, Carta also helps private businesses in over 160 countries manage their cap tables, valuations, taxes, equity programs, compensation,...
Carta's Top Stability & Growth Strengths
Strong Market Position & Advantage: Carta is repeatedly characterized as the default system of record for many U.S. VC-backed startups, supported by a large installed base and ecosystem familiarity that increases switching costs. Its widely cited private-markets reporting further reinforces a leadership position and ongoing top-of-funnel visibility.
Strong Revenue Growth: Independent estimates indicate recurring revenue continued to grow through 2024, with multiple references to surpassing a higher recurring-revenue scale in 2025. Platform activity data showing improved fundraising volume into 2025 also supports continued expansion in the core business lines tied to equity activity.
Product Line Growth: Expansion beyond cap tables into fund administration and adjacent private-markets workflows is described as a key growth vector, adding recurring software and services revenue. Management commentary about M&A and building a broader private-markets stack signals continued product broadening to support growth.
Ontario Teachers' Pension Plan (OTPP) is a provider of single-profession pension plans. Its primary activities involve managing pensions and investing plan assets on behalf of both working and retired teachers. The organization maintains a diverse investment portfolio across various asset classes, including equities, infrastructure, natural resources, capital markets, and real estate, with a global presence and a commitment to innovation...
Chubb is the world’s largest publicly traded property and casualty insurance company. With operations in 54 countries and territories, Chubb provides commercial and personal property and casualty insurance, personal accident and supplemental health insurance, reinsurance and life insurance to a diverse group of clients. As an underwriting company, we assess, assume and manage risk with insight and discipline. We service...
Chubb's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue has been climbing across annual, trailing-twelve-month, and quarterly views, with net premiums and top-line metrics showing ongoing increases across multiple periods. International and consumer lines are described as delivering double-digit gains that add to the overall expansion.
Profitability: Core operating income has advanced to record levels, supported by strong underwriting and record net investment income. Net income and per-share earnings trends are portrayed as rising over multi-year periods, indicating durable profit momentum.
Strong Market Position & Advantage: The company is characterized as the world’s largest publicly traded P&C insurer with leading positions in U.S. commercial lines and high‑net‑worth personal lines. Consistently top‑tier financial strength ratings and recognized underwriting discipline reinforce its global competitive standing.
Index Exchange is a global advertising supply-side platform enabling media owners to maximize the value of their content on any screen. As a trusted partner and ally, we connect leading experience makers with the world’s largest brands to ensure a quality experience for consumers. We’re a proud industry pioneer with over 20 years of experience accelerating the ad technology evolution....
Index Exchange's Top Stability & Growth Strengths
Strong Market Position & Advantage: Multiple Pixalate market-share reports rank Index Exchange No. 1 among SSPs on the U.S. open web across consecutive quarters, indicating consistent leadership in that segment. Industry recognition (e.g., Frost & Sullivan’s 2025 innovation recognition) reinforces its stature as a leading independent SSP.
Innovation-Driven Growth: Rapid adoption of Index Marketplaces and the launch of a Data Vendor Ecosystem point to expanding sell-side decisioning and data activation use cases. New capabilities such as Transparent Dynamic Take Rates and show-level reporting with Gracenote signal ongoing product innovation aligned to buyer and publisher needs.
Strategic Partnerships: New integrations and collaborations (e.g., with Samba TV, Dstillery, FreeWheel, Gracenote, Mozilla, Spectrum Reach) indicate deepening ecosystem ties across data and CTV. Case studies with publishers such as The Guardian and Freestar suggest partner outcomes tied to Index’s products.
Before Bynder, first-generation digital asset management systems run by IT departments were too slow and difficult to use. Bynder launched in 2013 as the first pure SaaS DAM, and it was quickly recognized for its intuitive user experience. Today, thousands of brand and creative teams around the world use the powerful and easy-to-use platform to provide the right, on-brand assets...
