Top Tech Companies in London (8,305)
Connecting You Across the UK and Worldwide Our team of accredited engineers and consultants cover a broad range of technologies, enabling us to deliver innovative solutions. Our commitment to exceptional service is backed by our methodical approach to systems design and implementation, which is centred around your business needs and priorities. By delivering market leading integrated solutions to companies throughout the UK and internationally, we have...
We are one of the world's largest law firms with significant depth and range of resources across five continents. As a single, fully integrated, global partnership, we pride ourselves on our approachable, collegiate and team based way of working. We always strive to exceed the expectations of our clients, which include corporates from all the commercial and industrial sectors, governments, regulators,...
Founded in 2001, Fintricity have been at the forefront of big data, technology and digital transformation for over 15 years. Entrepreneurs at heart, we take a business-first approach to match the right blend of solutions and technologies to solve our clients’ specific business and IT challenges. Our practical, agile approach, combined with the breadth and depth of expertise across the...
Digiterre is a software and data engineering consultancy that enables technological and organisational transformation for many of the world’s leading organisations. We envisage, design and deliver software and data engineering solutions that users want, need and love to use. Our key insight after 20 years of solving enterprise-level, technology-related challenges, is that much of the technology that organisations have implemented in...
Rothesay is the UK's largest pensions insurance specialist, purpose-built to protect pension schemes and their members’ pensions. With over £47 billion of assets under management, we secure the pensions of more than 825,000 people and pay out, on average, approximately £200 million in pension payments each month. Rothesay is dedicated to providing excellence in customer service alongside prudent underwriting, a conservative...
The International Rescue Committee is a global humanitarian organization that provides emergency relief, health care, and support to refugees and people affected by conflict and disaster.
Grimshaw is a global design practice engaged in architecture, master planning, and industrial design. The firm's mission is to deliver lasting, meaningful design that brings value and joy to clients and users. They aspire to design net zero carbon ready buildings by the end of 2025 and deliver socially and environmentally regenerative buildings by 2030.
Cint is a global provider of research technology. Our platform enables brands, researchers, academics, or anyone with a question, to connect with a global network of over 239 million high-quality and engaged respondents. Panel providers, mobile gaming apps, loyalty associations, or anyone with an online community, partner with Cint to monetise their userbase through surveys that complement the user experience....
Verisk is a leading data analytics provider serving customers in insurance, energy and specialized markets, and financial services. Our team of nearly 9,000 helps customers make crucial decisions every day about risk—with greater precision, efficiency, and discipline.
Verisk's Top Stability & Growth Strengths
Strong Market Position & Advantage: Verisk is repeatedly characterized as a category leader and the backbone of U.S. P&C insurance data and analytics, reinforced by ISO’s designated statistical‑agent role and widespread adoption of ISO forms and advisory loss costs embedded in core systems. Penetration with top carriers and co‑leadership in catastrophe modeling underpin durable competitive advantage.
Resilient & Sustainable Growth: Results and guidance indicate steady mid‑single‑ to high‑single‑digit organic growth with margin expansion, supported by a predominantly recurring revenue base. Management reaffirmed 2026 guidance and reiterated medium‑term OCC growth and margin targets.
Investor Backing & Capital Strength: A large accelerated share repurchase and ongoing dividend increases highlight strong cash generation and balance‑sheet capacity. Commitments to return a high proportion of free cash flow while maintaining guidance signal confidence from management and alignment with investors.
Authentic Brands Group (ABG) is a brand development, marketing and entertainment company, which owns a portfolio of global media, entertainment and lifestyle brands. Headquartered in New York City, ABG elevates and builds the long-term value of more than 50 consumer brands and properties by partnering with best-in-class manufacturers, wholesalers and retailers. Its brands have a global retail footprint across the...
The Third Floor, Inc. is a global visualization studio specializing in pre-visualization and virtual production for next-generation media content. They support the production of films, television, video games, and virtual reality projects, collaborating with industry leaders such as Disney, Netflix, and Marvel Studios. The company focuses on blending artistry with storytelling and technical innovation to support the creative process from...
From digital capacity building to counter-messaging campaigns, we use data-proven techniques to ensure our clients respond to online harms effectively.
BCM One is a leading global provider of NextGen Communications and Managed Services for IT leaders and channel resellers. Trusted by millions daily to power business communications. BCM One streamlines the complexity of enterprise voice solutions and managed network services for mid-to-enterprise businesses worldwide. Our specialty is servicing multi-site locations globally -- aggregating managed connectivity solutions and streamlining enterprise voice...
Optro (formerly AuditBoard) helps enterprises transform risk into opportunity, redefining GRC through an agentic system of action. More than 50% of the Fortune 500 trust Optro to elevate audit, risk, and compliance in addressing a new era of risk. Optro is top-rated by customers on G2 and was named a Leader in the 2025 Gartner® Magic Quadrant™ for Governance, Risk...
Optro's Top Stability & Growth Strengths
Strong Revenue Growth: Recent ARR milestones and record bookings are cited, indicating accelerating top-line momentum within a short timeframe.
Strong Market Position & Advantage: Multiple analyst designations as a Leader and broad large‑enterprise adoption point to durable competitive standing.
Innovation-Driven Growth: A rebrand centered on AI, rapid AI capability launches, and acquisitions (e.g., FairNow, Midship) signal an innovation engine driving expansion.
Fried, Frank, Harris, Shriver & Jacobson LLP advises the world's leading corporations, investment funds and financial institutions on their most critical legal needs and business opportunities. The firm's more than 650 lawyers are based in North America, the UK and Europe.
We are a multinational company founded in 2006 with the goal of delivering quality and value to customers, thereby assisting them in their Digital Transformation process. We have been involved in more than 2,400 projects, contributing passion and reliability while deploying disruptive advances such as: Artificial Intelligence, Big Data, IoT, Virtual/Augmented Reality, Cloud Computing, Blockchain and even Robotic-based software services. Our...
McDermott is a premier, fully-integrated provider of engineering and construction solutions to the energy industry. Our customers trust our technology-driven approach to design and build infrastructure solutions to responsibly transport and transform oil and gas into the products the world needs today. From concept to commissioning, our expertise and comprehensive solutions deliver certainty, innovation and added value to energy projects...
McDermott International's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue increased from roughly $8.2 billion in 2024 to about $10.0 billion in 2025. Momentum continued into 2026 with multi‑billion‑dollar quarterly sales and improving earnings metrics.
Strong Market Position & Advantage: The company regularly secures large, complex EPCI awards with national oil companies, including ADNOC’s “mega” Umm Shaif package and major Middle East/LNG programs. A broad global footprint, specialized marine assets, and extensive fabrication capacity underpin competitiveness across key regions.
Strategic Partnerships: Long‑term agreements and frameworks with anchor clients—such as renewed/expanded LTAs and a PMC LTA with Aramco—signal preferred‑supplier status. These relationships support a healthy awards pipeline and multi‑year backlog visibility.
Old Mission is a global, multi-asset market maker. We specialize in dynamically valuing individual securities and complicated derivatives at the speed of modern markets. We price thousands of financial instruments globally and have traded trillions of dollars of securities using our proprietary systems and models, both on and off exchange. Our market making platform enables us to work with the...
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Artsy envisions a future where everyone is moved by art every day. To get there, we’re expanding the art market to support more artists and art around the world. As the leading marketplace to discover, buy, and sell fine art, Artsy believes that the process of buying art should be as brilliant as art itself. That’s why we’re dedicated to...
