Top Tech Companies in London (8,303)
Man Group is a global active investment management firm, which runs $127 billion* of client capital in liquid and private markets, managed by investment specialists based around the world. Headquartered in London, the firm has 15 international offices and operates across multiple jurisdictions. Our business has five specialist investment engines, which represent the range of our capabilities: Man AHL, Man...
Zensar is a leading experience, engineering, and technology solutions company. We conceptualize, build, and manage digital products for Forbes Global 2000 clients across the hi-tech engineering, banking and financial services, insurance, manufacturing and consumer services verticals. With proven excellence across five core areas, including experience services, advanced engineering services, data engineering and analytics, foundation services, and application services, our solutions...
Zensar Technologies's Top Stability & Growth Strengths
Profitability: Margins and cash are described as healthy, with recent disclosures citing solid EBITDA and PAT alongside a sizable net cash balance. These signals point to operational discipline and provide flexibility to execute on growth and large‑deal ramps.
Future-Ready Strategy: The company is actively advancing an AI‑native agenda, including broad workforce certifications and a modular AI platform, and reported multiple AI‑led wins. These moves, along with investments like a new European delivery center, indicate preparation for next‑wave demand.
Strong Market Position & Advantage: Independent assessments highlight leadership in select niches (e.g., insurance and BFSI specialists) and momentum as a Star Performer in adjacent subsegments such as payments. This specialist positioning suggests competitive advantage where domain depth and platform expertise matter.
ActiveViam is a fast-growing financial data analytics solution provider. Built for and trusted by leading financial institutions, ActiveViam delivers active intelligence for complex financial analytics. It combines unrivaled technology, continuous innovation and exceptional people to unlock the power of real-time and granular data at scale. Designed as a high performance semantic layer, ActiveViam’s flagship product Atoti, allows clients to implement built-in front...
We power people's progress. At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalized learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact. So far, 90,000 tutors have delivered over 20 million lessons to learners in more than 175...
Preply's Top Stability & Growth Strengths
Profitability: Improving profitability is indicated by the company stating it became EBITDA-positive over the last 12 months, with independent coverage echoing this milestone.
Investor Backing & Capital Strength: Investor backing appears strong given the $150 million Series D at a $1.2 billion valuation, described as fuel to accelerate hiring and AI capabilities for the next growth phase.
Market Expansion: Market expansion is reflected in the platform’s reported global reach, connecting 100,000+ tutors to learners across 180 countries in 90+ languages, alongside adding 40+ languages since Series C.
PlanRadar is an award-winning digital SaaS platform for documentation, task management and communication in construction and real estate projects. We operate across the globe, currently in over 75 markets. We service all markets across real estate and construction, adding value to every person involved in the building lifecycle, from contractors and engineers to property managers and owners. Our platform digitises...
IAG Loyalty is part of International Airlines Group (IAG). We were founded as Airmiles in 1988 and became Avios in 2011, now we’re IAGL and we have over 30 years’ experience in loyalty. We manage the British Airways Executive Club, Iberia Plus, Vueling Club, and the Aer Lingus AerClub, and we have an impressive range of retail, travel and financial...
Intapp powers connected firms. Trusted by 1,600 of the world’s top private capital, investment banking, legal, accounting, and consulting firms, Intapp offers end-to-end, cloud-based connected firm management software built for the unique needs of partner-led firms. Intapp helps enhance collaboration, unleash collective knowledge, transform decision-making, and fuel success. Our products and services span the entire relationship lifecycle — from strategy...
Intapp's Top Stability & Growth Strengths
Strong Market Position & Advantage: Evidence indicates Intapp is broadly viewed as a category leader within its target verticals, supported by deep penetration across top law, accounting, private capital, and investment banking firms. DealCloud is widely deployed for purpose‑built deal and relationship management and frequently cited by large firms.
Strong Revenue Growth: Recent filings report year‑over‑year increases in SaaS revenue and cloud ARR, indicating expanding adoption and wallet share among existing clients. Quarterly updates and guidance point to continued momentum into fiscal 2026.
Customer Loyalty & Retention: Cloud net revenue retention remains elevated, signaling strong expansion within the installed base. Reported results and public client wins suggest steady cross‑sell and upsell across modules in core verticals.
We Help Our Clients Change The World, One Leadership Team At A Time®. Heidrick & Struggles International, Inc., (Nasdaq:HSII) serves the executive talent and leadership needs of the world's top organizations as the premier provider of leadership consulting, culture shaping and senior-level executive search services. Heidrick & Struggles pioneered the profession of executive search more than 60 years ago. Today, the...
Heidrick & Struggles's Top Stability & Growth Strengths
Strong Revenue Growth: Company disclosures indicate steady year-over-year growth in 2024 and accelerating gains through the first three quarters of 2025. Management cited broad-based momentum across Executive Search, On‑Demand Talent, and Consulting.
Diversified Revenue Streams: The business has expanded beyond executive search into leadership consulting and on‑demand/interim talent, with each line contributing to recent growth. This mix supports capacity to serve end‑to‑end leadership needs and reduces reliance on a single offering.
Strong Market Position & Advantage: Independent rankings and industry references consistently place the firm in the top tier alongside other global leaders. Thought leadership and recurring inclusion in major lists reinforce access to high‑stakes board and C‑suite mandates.
SailGP, officially the Rolex SailGP Championship, is an annual international sailing competition featuring national teams racing identical high-performance F50 foiling catamarans. Recognized as the world’s most exciting racing on water, the series combines cutting-edge sailing technology with environmental sustainability initiatives. Through its Impact League, SailGP demonstrates how sport can inspire positive global change while showcasing elite athleticism in iconic waterfront...
iDeals provides a comprehensive Virtual Data Room (VDR) solution that simplifies secure confidential document sharing and corporate deal management during M&A and other transactions. The company was founded in 2008 on the principles of service excellence and technological innovation. Our mission is to deliver an exceptional customer experience. iDeals has won the trust of a million business users. We have...
Millennium is a global alternative investment management firm, founded in 1989, which manages $54.9 billion in assets. We seek to pursue a diverse array of investment strategies across industry sectors, asset classes, and geographies. Our four primary strategies are RV Fundamental Equity, Equities Arbitrage, Fixed Income Strategies, and Quantitative Strategies. Millennium was founded on the belief that innovation and results come...
Millennium's Top Stability & Growth Strengths
Strong Market Position & Advantage: The firm is consistently described as a top-tier multi‑manager platform with durable net gains and mid‑teens 2024 performance. Scale of $83B+ AUM, 330+ teams, and a broad global footprint reinforces a defensible competitive position.
Investor Backing & Capital Strength: A recent 15% minority‑stake sale at an implied multi‑billion valuation and ongoing fundraising indicate ample access to capital for platform investment. Rising AUM and allocation capacity suggest strong external confidence and balance‑sheet flexibility.
Resilient & Sustainable Growth: Multi‑year gains and a diversified pod structure have produced steady, risk‑managed compounding with positive momentum into early 2026. Expanding AUM, teams, and locations point to ongoing scaling supported by centralized risk controls.
Exiger is revolutionizing the way corporations, government agencies and banks manage risk through its combination of technology-enabled and SaaS solutions. In recognition of the growing volume and complexity of data and regulation, Exiger is committed to creating a more sustainable risk and compliance environment through its holistic and innovative approach to problem solving. Exiger’s mission to make the world a...
Opus 2 provides game-changing, cloud based legal technology and services that enable law firms to build the connected digital practices of tomorrow, today. Our solutions allow firms to transform at a pace that fits their business needs, to streamline and connect the different stakeholders end-to-end and deliver greater efficiency, collaboration and insight. Powered by Opus 2, law firms worldwide are...
Schonfeld Strategic Advisors is a global multi-manager platform that invests its capital with Internal and Partner portfolio managers, primarily on an exclusive or semi-exclusive basis, across quantitative, fundamental equity and tactical trading strategies. We have created a unique structure to provide global portfolio managers with autonomy, flexibility and support to best enable them to maximize the value of their businesses. Over...
We help companies with their biggest challenges – market strategies, regulatory reviews, competition inquiries. And we help governments design innovative policies and regulatory systems. Economics is (nearly) everywhere and the economist’s toolkit is large. Clients are surprised at the breadth of our work. Not just the costs of supply, movements in demand, pricing and competitive dynamics. But we are also experts...
Founded in Paris in 2014, LEDGER is a global platform for digital assets and Web3. Ledger is already the world leader in Critical Digital Asset security and utility. With more than 6M devices sold to consumers in 200 countries and 10+ languages, 100+ financial institutions and brands as customers, 20% of the world’s crypto assets are secured, plus services supporting...
CA agnostic Certificate Lifecycle Management for the modern enterprise. Secure your human and machine identities at scale.
Sectigo's Top Stability & Growth Strengths
Strong Market Position & Advantage: Market position is portrayed as industry-leading in SSL/TLS and automated CLM, with repeated external recognition (e.g., G2 leader status) and one of the largest commercial CA footprints. The company is described as serving hundreds of thousands of customers, including a significant share of the Fortune 500, and having issued hundreds of millions to over a billion certificates.
Strong Revenue Growth: Revenue momentum is characterized by more than 20% year-over-year organic ARR growth in recent periods alongside repeated double-digit enterprise sales gains. Scale-up moves such as acquiring Entrust’s public certificate business, which reportedly doubled the enterprise footprint, reinforce the trajectory.
Investor Backing & Capital Strength: Capital support is underscored by the $900M acquisition by GI Partners aimed at accelerating organic growth, product innovation, and global expansion. Continued investment in M&A and international offices signals access to resources that enable expansion.
Socially Powerful is a global social-first marketing agency that helps brands compete for attention across Instagram, TikTok, YouTube, and other platforms. It delivers end-to-end influencer campaigns, paid social advertising, social strategy, content production, community management, and social commerce. The agency serves enterprise, consumer, e-commerce, B2B, and purpose-led organizations, combining creative storytelling, cultural insight, and proprietary technology to produce measurable growth.
Outreach is the number one sales engagement platform. Using advanced machine learning and AI to automate and prioritize customer touchpoints, Outreach dramatically increases sales reps' effectiveness and ability to drive smarter, more insightful engagement with their customers. We're on a mission to make every customer-facing rep wildly productive.
Outreach's Top Stability & Growth Strengths
Strong Market Position & Advantage: Analyst placements repeatedly position Outreach in the top tier of its category, including being named a Leader in Gartner’s 2025 Magic Quadrant for Revenue Action Orchestration Platforms and a Leader in Forrester’s Q3 2024 Wave for Revenue Orchestration Platforms. Market-scale indicators are also cited, including large customer counts and substantial ARR estimates, supporting a view of enterprise-grade maturity and defensibility.
Innovation-Driven Growth: Product direction is consistently framed around an AI-led platform evolution, including a reimagined “AI Revenue Workflow Platform” and next-gen AI agents announced around 2025, alongside ongoing release notes into early 2026. Usage/activity metrics are also highlighted as rising, suggesting that product investment is translating into increased platform engagement.
Cost & Operational Efficiency: Multiple workforce reductions in 2023–2024 are described alongside a shift toward efficiency and profitability focus, indicating deliberate operating-model tightening. A CEO transition to a product/technology leader is framed as part of a strategic reset consistent with a more disciplined growth phase.
Can you inspire people to lead healthier lives, every day? Our mission is to help more people in more places live healthier lives. Whether you work in our gyms or in our Central Support function, we are all passionate about the positive difference that fitness can make in people’s lives. Since our launch in 2009 we have grown to become...
