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Top Tech Companies in London (7,385)

Millennium
Financial Services
15 Offices
3,759 Employees
20 Benefits Hiring Now

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

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.

Boku
Payments • Financial Services
5 Offices
513 Employees
31 Benefits Hiring Now

Boku Inc. (BOKU.L) is the leading global provider of local mobile-first payments solutions. Global brands including Amazon, DAZN, Meta, Google, Microsoft, Netflix, Sony, Spotify, and Tencent rely on Boku to reach millions of new paying consumers who do not use credit cards with our purpose-built payment network of more than 250 local payment methods that reach 7 billion accounts across...

Boku
UnlikelyAI
Artificial Intelligence • Information Technology • Software • Automation
London
43 Employees
1 Benefits Hiring Now

UnlikelyAI is a deep tech startup working to create a world where highly intelligent automated systems enable humanity to flourish and benefit us all. We are pioneering transformative technology aimed at making Artificial Intelligence more accurate, trustworthy and safe. We are combining the fantastic opportunities created using LLMs with the trust, accuracy and explainability of symbolic/algorithmic methods, which together we...

UnlikelyAI
Nintex
Cloud • Software
9 Offices
475 Employees
34 Benefits Hiring Now

Nintex is the world’s leader in process management and automation. Our no-code workflow automation platform aims to improve the way people work by streamlining simple to sophisticated business processes. Nintex boasts more than 10,000 enterprise clients and an extensive global partner network across 90 countries.

Nintex
Ozone
Digital Media • Marketing Tech
London
112 Employees
6 Benefits Hiring Now

Ozone powers the premium web – a digital display marketplace for advertisers, delivering high attention solutions with platform scale reach across the UK. As a platform built for brands by the UK’s leading premium publishers, we offer our content partners the tools, services and expertise to take greater control of their highly valued inventory and data assets. We bring advertisers...

Ozone
Spotify
Music
9 Offices
9,574 Employees
36 Benefits Hiring Now

Spotify transformed music listening forever when it launched in Sweden in 2008. Discover, manage and share over 50m tracks for free, or upgrade to Spotify Premium to access exclusive features including offline mode, improved sound quality, and an ad-free music listening experience.

Spotify

Spotify's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue and margins show strong acceleration, with Q4 2025 revenue around €4.5B (+13% y/y constant currency) alongside record gross margin (33.1%) and operating income of €701M. Full-year 2025 commentary points to double‑digit revenue growth with meaningfully higher operating income and cash generation, and Q1 2026 guidance implies continued expansion.

Healthy Cash Flow: Free cash flow is described as materially stronger, with 2025 FCF cited at ~€2.9B, giving more capacity to invest while still scaling the user base. Management also highlighted meaningfully higher cash generation for full-year 2025, reinforcing balance-sheet resilience.

Strong Market Position & Advantage: Scale leadership is reinforced by very large and growing MAUs (751M in Q4 2025) and Premium subscribers (290M), plus independent tracking that places Spotify at roughly one‑third of global music subscribers. Spotify’s role in royalties distribution and label deals also positions it as a norm‑setter in pricing, payout models, and discovery tooling.

Financial Ombudsman Service
Fintech • Payments • Financial Services
2 Offices
2,463 Employees
17 Benefits Hiring Now

We’ve been sorting out complaints between financial businesses and their customers since we were set up by Parliament in 2001. Our service is free for consumers, and every year well over 1 million people contact us with queries and complaints about all kinds of financial products and services, for example: o bank accounts, payments and cards o payment protection insurance (PPI) o home, car, travel and...

Financial Ombudsman Service
Airbnb
Real Estate • Travel • PropTech
22 Offices
14,622 Employees
38 Benefits Hiring Now

Airbnb is a community based on connection and belonging—a community that was born in 2008 when two hosts welcomed three guests to their San Francisco home, and has since grown to 4 million hosts who have welcomed over 800 million guest arrivals to about 100,000 cities in almost every country and region across the globe. Hosts on Airbnb are everyday...

Airbnb

Airbnb's Top Stability & Growth Strengths

Strong Revenue Growth: Recent results show full-year 2025 revenue rose to about $12.2B with Q4 2025 revenue up roughly 12% alongside GBV growth of about 12% for the year and about 16% in Q4. Management’s 2026 outlook calls for at least low double‑digit revenue growth with Q1 2026 guided to approximately 14–16%.

Strong Market Position & Advantage: The company is characterized as a category leader in dedicated short‑term rentals, with brand strength and scale evidenced by hundreds of millions of Nights & Experiences and expanding GBV. Commentary notes Airbnb remains the largest dedicated home‑sharing marketplace even as leadership is contested on broader OTA metrics.

Market Expansion: Late‑2025 momentum was highlighted in Brazil and Japan, with India among the fastest‑growing origin markets and expansion markets growing faster than core. Geographic breadth helped deliver the fastest quarterly GBV growth in over two years exiting 2025.

UBDS Digital
Cloud • Digital Media • Information Technology • Software
4 Offices
120 Employees
15 Benefits Hiring Now

UBDS Digital, a brand on a mission to deliver unparalleled client value, unmatched employee experience, and to make a meaningful difference in society. We understand your needs deeply and are laser focused on outcomes, never compromising on quality or security. We are your visionary partner, taking on complex work, creating smarter solutions, with innovative technologies, for the best results and...

UBDS Digital
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AppsFlyer
AdTech • Marketing Tech
15 Offices
1,625 Employees
31 Benefits Hiring Now

AppsFlyer helps brands make good choices for their business and their customers through innovative, privacy-preserving measurement, analytics, fraud protection, and engagement technologies. Built on the idea that brands can increase customer privacy while providing exceptional experiences, AppsFlyer empowers thousands of creators and 8,000+ technology partners to create better, more meaningful customer relationships. To learn more, visit www.appsflyer.com.

AppsFlyer

AppsFlyer's Top Stability & Growth Strengths

Strong Market Position & Advantage: The company is positioned as a top-tier mobile measurement partner with broad cross-platform SDK penetration and pervasive ecosystem usage, indicating durable market adoption. It also runs a long-standing industry benchmark index and maintains extensive integrations, reinforcing centrality in the measurement ecosystem.

Profitability: The company is described as reaching profitability in 2024 and exceeding internal revenue/ARR/EBITDA goals, suggesting improved operating performance at scale. Reported cash-flow positivity over multiple years further supports stability through market cycles.

Product Line Growth: The acquisition of devtodev and continued releases spanning privacy-aligned measurement, incrementality, and broader platform coverage indicate ongoing expansion beyond core attribution. Continued publication of large-scale benchmark reports based on extensive install/conversion datasets also signals sustained platform usage and product relevance.

Sofar Sounds
Events • Music
2 Offices
860 Employees
16 Benefits Hiring Now

Sofar Sounds reimagines the live event experience through curated, secret performances in more than 400 cities around the world. Cofounded in London in 2009 by Rafe Offer and Rocky Start, Sofar brings guests and artists together in unique locations, without the distractions that plague other live events. Sofar shows begin as a secret: guests sign on for three unnamed performances at...

Sofar Sounds
Kambi Group plc
Gaming • Information Technology • Software • Sports
7 Offices
1,044 Employees
9 Benefits Hiring Now

Kambi Group plc is a leading B2B provider of premium sports betting technology and services to licensed gaming operators, offering an end-to-end solution from front-end user interface to risk management, built on in-house developed software.

Kambi Group plc
Fulwell 73 Productions
Digital Media • News + Entertainment
London
150 Employees
Hiring Now

Fulwell 73 is proud to operate across a range of television genres. We are dedicated to making cutting edge, fun and entertaining shows. We are currently developing new shows for a number of broadcasters, working alongside some of the leading talent, producers, directors and production companies in the UK

Fulwell 73 Productions
King & Spalding
Legal Tech
24 Offices
2,940 Employees
35 Benefits Hiring Now

King & Spalding is an international law firm that represents a broad array of clients, including half of the Fortune Global 100, with 1,300 lawyers in 24 offices in the United States, Europe, the Middle East and Asia. The firm has handled matters in over 160 countries on six continents and consistently earns recognition for the results it obtains, uncompromising...

King & Spalding
AKQA
Agency
29 Offices
2,068 Employees
34 Benefits Hiring Now

AKQA is the frontier agency, uniting imagination, design, craft and technology to create new forms of value. For more than three decades, we've helped brands imagine what’s next and make what matters, from pioneering digital to defining the next era of AI. Operating across 19 countries and 30 locations, we work with organisations to build intelligent systems, digital products, connected...

AKQA

AKQA's Top Stability & Growth Strengths

Strong Brand Reputation: Feedback suggests AKQA is widely recognized as a leader, with sustained awards and influential work reinforcing its standing. Consistent accolades from major industry programs support a durable reputation.

Strong Market Position & Advantage: Feedback suggests independent analyst leadership and long-term industry authority position the company at the forefront of global marketing and customer experience design. This external validation indicates a durable competitive edge.

Future-Ready Strategy: Feedback suggests AKQA is integrating creativity, strategy, technology, and AI under a new global structure to deliver innovation at scale. These moves indicate preparation to guide clients through complex transformations with greater agility and depth.

nCino, Inc.
Cloud • Fintech • Software
10 Offices
1,263 Employees
32 Benefits Hiring Now

Ncino is a cloud-based bank operating solution for the financial services industry. nCino (NASDAQ: NCNO) is the worldwide leader in cloud banking. The nCino Bank Operating System® empowers financial institutions with scalable technology to help them achieve revenue growth, greater efficiency, cost savings and regulatory compliance. In a digital-first world, nCino's single digital platform enhances the employee and client experience to...

nCino, Inc.

nCino, Inc.'s Top Stability & Growth Strengths

Profitability: Reported GAAP profitability with rising operating performance and improved free cash flow signal a strengthening earnings profile. Management guidance points to further free cash flow growth.

Strong Market Position & Advantage: Independent analyst recognition in commercial loan origination and a large global customer base with marquee banks underscore leadership in core lending and onboarding workflows. Ongoing platform expansion through acquisitions and AI capabilities reinforces competitive positioning.

Customer Loyalty & Retention: Healthy contract value retention and record gross bookings indicate expansion within the installed base. Growth in contracted value suggests durable land‑and‑expand dynamics.

Barrows
AdTech • Marketing Tech • Software
4 Offices
603 Employees
18 Benefits Hiring Now

The retail experience company. We harness the energy of our people, the quality of our products, and the spirit of our organization to create transformative retail experiences around the world. Our team of analysts, designers, makers and experts specialise in retail experience design, connecting physical and digital stores, category transformation, shopper marketing and display design. As the retail landscape evolves, our continued mission is to move...

Barrows
Topdeck Travel
4 Offices
152 Employees
10 Benefits Hiring Now

We are Topdeck. We’re the travel-enthusiast fairy godmother you never had. We’re your hassle-free ticket to discovering more destinations. Your exit from the daily grind into life changing experiences. A chance to uncover extraordinary with a bunch of curious, like-minded people – with the freedom to delve deeper. We’re passionate about travel and refuse to sacrifice on quality or value. We are...

Topdeck Travel
Apollo (apollounderwriting.com)
London
288 Employees
Hiring Now

Apollo was launched in 2009 to provide clients and brokers with an agile and entrepreneurial insurance partner. The Apollo name recognised the success of one of its founding investors, Neil Armstrong, who in 1969 was the first person to walk on the moon. We are an innovative, integrated insurance group offering insurance products across property, casualty, marine, energy and transportation, specialty,...

Apollo (apollounderwriting.com)
Tembo (tembomoney.com)
Financial Services
London
58 Employees
4 Benefits Hiring Now

Tembo is on a mission to make homeownership happen for a new generation of buyers. Its innovative mortgage products are helping generation rent onto the property ladder faster and for less. Tembo is authorised and regulated by the Financial Conduct Authority under the registration number 952652. YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR...

Tembo (tembomoney.com)

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