Top Tech Companies in London (8,305)
LGBT Great is an LGBT+ membership community for the financial services industry that provides insights, visibility, and outreach initiatives to help organizations attract, retain, and nurture LGBTQ+ talent.
Neko Health is a Swedish health-tech company co-founded in 2018 by Hjalmar Nilsonne and Daniel Ek. Neko's vision is to create a healthcare system that can help people stay healthy through preventive measures and early detection. This requires completely reimagining the patient's experience and incorporating the latest advances in sensors and AI. Neko has developed a new medical scanning technology...
Neko Health's Top Stability & Growth Strengths
Investor Backing & Capital Strength: Large rounds ($260M Series B in January 2025; $700M Series C on July 15, 2026) and a near-$7B valuation indicate substantial resources to fund expansion and R&D. High-profile participation and momentum tied to the U.S. launch underscore balance-sheet strength.
Market Expansion: Operations have extended from Sweden into multiple U.K. sites (e.g., London, Manchester, Birmingham) with the first U.S. clinic opening in New York on September 24, 2026 and additional U.S. locations signaled (e.g., Washington, D.C.). Large waitlists (e.g., 25,000+ in NYC; 350,000+ globally) and 100,000+ completed scans by mid-2026 point to broadening reach.
Innovation-Driven Growth: A proprietary, multimodal non‑MRI stack (e.g., Derma‑2, Echo‑2, Spectrum‑2) is being iterated with second‑generation hardware, added metrics like body composition, and wearable integrations. FDA 510(k) clearances for some components in 2026 and EU MDR classifications support ongoing product evolution for new markets.
Systemiq is a certified B Corp and system change company dedicated to designing and building a better economy. They orchestrate system change across five key areas: energy, nature and food, materials, urban areas, and finance. By combining specialist advisory services, coalition building, and investment, Systemiq aims to catalyze disruptive economic systems and unlock opportunities that benefit business, society, and the...
Carl Friedrik is a London-based premium travel-goods brand founded by Swedish brothers Niklas and Mattis Oppermann. It designs and sells refined luggage, bags, and accessories, emphasizing quality, durability, premium materials, and considered design. The company presents its collection online and is expanding physical retail, positioning its products as elegant, functional companions for journeys while serving an established international customer base...
At Costello Medical, we enjoy building lasting partnerships in the healthcare sector by providing an exceptional service. Our vision is to be a community of the very best people, constantly challenging ourselves to make meaningful and outstanding contributions to improving healthcare. Our experts support the healthcare sector in the analysis, interpretation, and communication of clinical and health economic data; our service...
Lottie is a free service that helps families and retirees find the UK's best care homes and retirement living communities. Launched in August 2021 by two brothers, Will and Chris Donnelly, Lottie is on a mission to elevate later life for everybody
Ashfield Advisory is a business unit that provides integrated advisory and consulting services to the healthcare industry, leveraging an ecosystem of specialized businesses for insight, strategy, and action.
Callsign is pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other in the real world. Positive identification of genuine users delivers privacy, safety and minimal friction whilst ensuring that bad actors are blocked. Through a simple Swipe or Type, users can be personally recognized to a 99.999% accuracy, delivering the highest fidelity AI based...
OMG UK delivers transformational experiences for consumers, clients and talent. Powered by the Omni marketing orchestration system, OMG connects best-in-class capabilities that enable our full-service media agencies OMD, MG OMD, PHD and Hearts & Science to deliver more relevant and actionable consumer experiences, more productive and proactive client experiences, and more collaborative and rewarding talent experiences. We are enormously proud of...
Omnicom Media Group UK's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent rankings and awards place OMG/OMD at or near the top globally and across EMEA, with UK agencies taking major honors. This broad recognition and scale underpin competitive strength in the UK market.
Resilient & Sustainable Growth: UK results show a generally positive trajectory across recent periods, with rebounds following softer quarters. Media-led momentum at the parent level supports continued growth for OMG UK.
Strategic Partnerships: The OmniGOV unit remains the UK government’s sole media-buying supplier under the current framework, with recent call-offs reinforcing stable activity. This longstanding remit provides a steady anchor for UK billings.
FNZ is committed to opening up wealth so that everyone, everywhere can invest in their future on their terms. We know the foundation to do that already exists in the wealth management industry, but complexity holds firms back. We created wealth’s growth platform to help. We provide a global, end-to-end wealth management platform that integrates modern technology with business and...
FNZ Group's Top Stability & Growth Strengths
Strong Market Position & Advantage: FNZ is positioned as a top-tier wealth-technology platform provider, particularly in the UK and across parts of Europe and APAC, with a large installed base and influence over adviser-platform infrastructure.
Investor Backing & Capital Strength: Recent large equity raises and a debt refinancing extending maturities are presented as strengthening the balance sheet and providing funding capacity for continued expansion and investment.
Strategic Partnerships: A multi-year partnership with Microsoft focused on AI and cloud is highlighted as a catalyst for accelerating product delivery and modernization initiatives.
Envoy’s workplace platform has redefined how companies welcome visitors, improve the onsite experience, book desks, and meeting rooms, manage deliveries, and access accurate and unified workplace data in 16,000 locations around the globe by designing products that solve common workplace problems. Envoy provides a simple way to manage your complex safety, security, and compliance needs across all your workplace locations—wherever you...
Envoy's Top Stability & Growth Strengths
Strong Market Position & Advantage: Envoy is broadly seen as a leader in visitor management, with consistent category recognition and widespread adoption across many workplaces. This positioning provides advantage when buyers prioritize front‑of‑house security and visitor workflows.
Product Line Growth: The platform has expanded from lobby sign‑in into desks/rooms, deliveries, emergency notifications, and workplace analytics. This breadth supports consolidation plays and deeper account expansion.
Strategic Partnerships: Deep integrations with access control and security ecosystems, along with co‑branded offerings, extend distribution and strengthen fit for security‑centric buyers. Partnerships with device and workplace technology vendors further embed the platform in enterprise stacks.
Radley Yeldar is an award-winning, independent London and Birmingham-based creative consultancy with more than 200 communications specialists. We’ve been working with organisations of all shapes and sizes for over 30 years to help create a world that believes in business. How do we do this? By combining a powerful mix of strategic and communication services including: brand positioning; purpose, vision and values;...
Relentless protection. Resilient world. Mimecast (NASDAQ: MIME) was born in 2003 with a focus on delivering relentless protection. Each day, we take on cyber disruption for our tens of thousands of customers around the globe; always putting them first, and never giving up on tackling their biggest security challenges together. We are the company that built an intentional and scalable design...
Mimecast's Top Stability & Growth Strengths
Strong Market Position & Advantage: Mimecast is positioned as a leader in email security platforms, supported by repeated Gartner Magic Quadrant Leader placements and a large global customer footprint. The scale of threat processing and breadth of security, archiving, and continuity capabilities reinforce competitive advantage in its core market.
Strong Revenue Growth: Revenue is described as increasing year-over-year through fiscal 2025, with references to record new and expansion revenue gains. Projected net income growth into 2026 is presented as an additional indicator of strengthening financial momentum.
Product Line Growth: The platform is expanding beyond email security into human risk management, insider risk, and collaboration security via acquisitions such as Elevate Security, Code42, and Aware. Ongoing launches like Cloud Integrated Email Security and expanded modules (e.g., DMARC tools, add-ons for archiving/continuity) indicate continued portfolio broadening.
Tyk is a leading API Management Platform. The internet started by connecting mainframes, by the end of the 20th century 600m desktop and laptop computers exchanged email and web-traffic. Today around 15 billion “things” are connected to the internet, growing at a rate of a billion per year. Tyk are committed to enabling interconnectivity between systems and devices Tyk is an open...
We set out to build the world’s most trusted consulting firm – creating lasting impact for clients and pioneering a positive, people-first way of working. We work with everyone from FTSE 100 names to bright new start-ups, in every sector. You’ll find us collaborating shoulder-to-shoulder with our clients, from the big picture right down to the detail: helping them define...
Geomiq is the UK’s leading Digital Manufacturing Marketplace. An innovative B2B MaaS (Manufacturing as a Service) platform and Artificial Intelligence (AI) powered systems that connect buyers and sellers with unprecedented efficiency. Conventional manufacturing is infamously challenging for companies both big and small. We’re tackling that head on by making reliable manufacturing methods instantly available to engineers all over the world...
OneDome is an award winning next generation property marketplace (One stop shop housing ecosystem). The platform enables home movers to conduct an end to end property transaction via a single interface. Home movers could search for properties, engage, communicate and transact with an estate agent, conveyancer (lawyer) and mortgage broker via the platform. OneDome platform makes transactions faster and more...
Humaans is a next generation HRIS supporting globally distributed organisations. Powered by a flexible data model, deep integrations, fast APIs, and enriched by AI, Humaans removes manual work, reduces compliance risk and enhances your employee experience.
Humaans's Top Stability & Growth Strengths
Investor Backing & Capital Strength: Recent seed and Series A rounds with well-known investors are described as providing a multi‑year capital base to fund product and go‑to‑market expansion. These signals support the company’s ability to invest through its current product push.
Product Line Growth: The launch of an agentic AI platform alongside ongoing feature releases and integrations indicates an expanding product surface and ambition beyond core HRIS. This cadence suggests the capacity to broaden addressable use cases and deepen value.
Market Expansion: Open roles for “Founding US” go‑to‑market positions and listed locations in London, New York, and San Francisco point to an active push into the U.S. alongside European strength. Event presence and new customer stories further reflect ongoing go‑to‑market motion.
FX Digital is a London-based Connected TV-first and OTT app technology company, helping your brand reach millions of new customers by building and launching premium quality CTV applications across Smart TVs, Set-Top-Boxes and gaming consoles. Our experienced team of developers, designers, UX/UI specialists, quality assurers and strategists provide the knowledge and expertise you need to create high-performance applications that are ready...
