Top Tech Companies in London (8,305)
Tata Communications is a digital ecosystem enabler that powers today’s fast-growing digital economy. We enable the digital transformation of enterprises globally, including 300 of the Fortune 500. We carry around 30% of the world’s internet routes and connects businesses to 60% of the world’s cloud giants. We have been a part of the rich heritage of the internet in...
Highview Power is the leading provider of long duration energy storage able to be deployed at grid-scale today. Its technology provides flexible, responsive, and dependable energy storage solutions that help reshape renewables for our always on world. This will reduce reliance on gas, stabilise energy costs and deliver energy security, to enable a vibrant clean energy economy for us all
At Pentair, we help the world sustainably move, improve and enjoy water, life’s most essential resource. From our residential and business water solutions, to industrial water management and everything in between, Pentair is focused on smart, sustainable water solutions that help our planet and people thrive. Pentair had revenue in 2023 of approximately $4.1 billion, and trades under the ticker...
VolksByte is a German-based Software Company. We have a strong global footprint, and now we're looking to include a strong presence in Bangladesh. We want to blend German engineering precision with Bangladeshi talent to provide world-class services. We’re also working on a highly committed product which will change the industry.
Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your...
Visa Inc,'s Top Stability & Growth Strengths
Strong Market Position & Advantage: Evidence shows Visa holds a clear leadership position with unmatched global reach, network scale, and acceptance, supporting resilient competitive advantages. Independent benchmarks and company disclosures consistently place it at or near the top in usage and cross‑border capabilities.
Strong Revenue Growth: Recent quarters and fiscal years reflect double‑digit expansion in revenue and earnings, underpinned by rising payments volume, processed transactions, and robust cross‑border activity. Management guidance and reported results indicate continued momentum into the latest fiscal periods.
Diversified Revenue Streams: Value‑added services and money‑movement products (e.g., risk solutions, identity, Visa Direct) are growing faster than core network fees and contributing a larger share of revenue. This mix shift broadens growth drivers beyond consumer card spending and supports durability.
Volteras is a high-growth startup specialising in electric vehicle software. Our mission is to organise and leverage data to accelerate the transition to a greener and smarter future. Come build a clean energy future with us
PremFina ("PremFina Limited") is a UK-based alternative finance company. Not only are we the newest provider on the block, we’re also different. Whether it’s our funding or self-financing, we let brokers choose how to finance their customers’ premiums. With PremFina, brokers can enhance their brand and customer journey with our white-labelled system, complete with branded documentation via our Software-as-a-Service (SaaS)....
Topgolf Entertainment Group is a technology-enabled global sports and entertainment community that connects people in meaningful ways through the experiences we create, the innovation we champion, and the good that we do. What started as a simple idea to enhance the game of golf has grown into a movement where people from all walks of life connect at the intersection...
Ito World solves transportation challenges across the globe for millions of travellers every day by delivering real-time transit data feeds to journey planners and a platform for transit authorities and operators. Our mission is to deliver data that is as close to the real-life experience of the traveller as possible. With offices in London and Cambridge, we serve clients from...
Cennox is a multi-skilled business. Working across diverse industries, including financial services, hotels, restaurants, retail, transport & airports. We support the world’s leading brands, delivering products and solutions across multiple service channels. With offices and representation in 13 Countries and customers in over 100, Cennox is a leading brand for ATM Related Services.
Gold Care Homes is a family-owned and operated care provider established in 1999. It runs care homes across England, supporting nearly 3,000 residents with residential, dementia, nursing, palliative, respite and short-stay services. The organisation creates tailored care plans around individual needs and preferences, with a mission to enhance residents’ lives through compassionate support, comfort, independence and meaningful daily experiences.
Possibility. We seek better ways to manage risk and define more effective paths to the right outcome. We go beyond risk to rewards for our clients, our company, our colleagues, and the communities in which we serve. Marsh, a business of Marsh McLennan (NYSE: MMC), is the world’s top insurance broker and risk advisor. Marsh McLennan is a global leader in...
Marsh's Top Stability & Growth Strengths
Strong Revenue Growth: Reported and underlying revenue increased across 2024 and into 2025, with steady mid‑single‑digit organic gains supplemented by acquisitions and double‑digit reported growth in several quarters. Feedback suggests the brokerage unit saw broad‑based geographic contributions alongside margin expansion at the consolidated level.
Strong Market Position & Advantage: Industry rankings consistently place the firm as the world’s largest insurance broker by revenue, including holding the top U.S. position, reinforcing scale advantages and market access. Feedback suggests this leadership has been maintained despite consolidation and shifting share at the margins.
Future-Ready Strategy: Management is unifying the brand as “Marsh” and centralizing data/AI and operations through a new Business & Client Services unit to accelerate growth and efficiency. Feedback suggests ongoing investments in a firm‑wide brand and operating model are designed to enable longer‑term, tech‑enabled growth.
When it comes to running a successful business in the UK, making smart choices about your service providers is key. From accepting card payments to keeping the lights on and staying connected online, every detail matters. That’s where comparing your options becomes incredibly important. Whether you're a small local shop or a growing enterprise, finding the right solutions for payment...
With $8.5B in digital ad revenue and $40B in global TV ad revenue flowing through the systems, Operative plays a crucial role in helping the world’s top media companies and publishers manage and advance their advertising businesses and increase revenue by helping them transition from ratings-based to outcome-based selling with modern order management system. The platforms are built on modern...
Operative's Top Stability & Growth Strengths
Strong Market Position & Advantage: Feedback suggests Operative is widely viewed as a leader in enterprise ad order/revenue management for large media owners, with hundreds of top-tier clients across many countries and marquee broadcasters named. Trade coverage and customer rosters indicate deep penetration at the high end of the market.
Product Line Growth: Recent launches and updates (e.g., AOS Services Platform, AOS for digital media, AOS Insights) point to an expanding, modular product suite addressing converged linear, streaming, and digital workflows. These rollouts signal sustained investment in core monetization capabilities.
Strategic Partnerships: The company has broadened platform reach through partnerships such as running AOS on Oracle Cloud Infrastructure and adding AI-driven observability via GraySwan. Such alliances support scalability, ecosystem integration, and enterprise adoption.
All the health information we need is within us. Just below the skin. SAVA is redefining the way people interact with their health by developing the most advanced biosensing technology science has to offer, capable of accessing bodily information in a painless, real-time and affordable way.
KeyNest offers an integrated solution for all your key management problems. KeyNest Office is a unique key management system that tracks keys in and out of business premises, so you’ll never lose keys again. We can help anyone with a large number of keys in their office, including Sales & Letting agents, Property or Facilities Management, Short-term Rentals, and Car...
KorumLegal | Top Ranked ALSP for APAC and beyond. Reshaping Legal Solutions Together. KorumLegal is a leading alternative legal services provider (ALSP) with a proven track record of delivering flexible, modern legal solutions across Asia Pacific and beyond. For the third year running, we’ve been recognised as a Band 1 ALSP by Chambers & Partners for our exceptional delivery, innovation, and regional...
Thirdfort is on a mission to protect society from fraud and money laundering. Thirdfort combines KYC, AML and payment fraud technology for beautifully secure verification. Now professionals working in law, property, and finance can onboard their clients in minutes, not weeks. Powered by Open Banking and transaction specific data, Thirdfort rapidly informs professionals of any risks associated with verifying their...
Deer Designer is a global design agency and subscription service providing startups and small businesses with a dedicated design team for all their graphic design needs for a flat monthly fee. They offer high-quality, unlimited designs across digital and print media, websites, and branding, enabling businesses to scale their creative work without the overhead of hiring full-time designers.
