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Top Tech Companies in London (7,384)

Onsi
Fintech • Payments • Financial Services
London
200 Employees

Onsi provides an easy way for businesses to reward their workers. Offering competitive benefits across a complex worker group is tricky. People in different demographics and different locations don't want the same benefits - and as a business, trying to meet everyone's needs becomes expensive, time-consuming and complicated. Our platform is designed to help businesses build programmes that drive loyalty...

Onsi
Frescobol Carioca
Fashion • Retail
London
30 Employees

Launched in 2013, Frescobol Carioca had a simple ethos: to share the Rio way of life. Inspired by the spirit of Rio de Janeiro, Frescobol Carioca is built on the principles of its namesake beach game: collaboration, energy and genuine passion. A true cornerstone of Carioca culture in the Cidade Maravilhosa, frescobol represents a quintessentially Brazilian influence for the brand....

Frescobol Carioca
Seismic
Cloud • Sales • Software
13 Offices
1,400 Employees
34 Benefits
We empower thousands of teams to grow and win.

Here at Seismic, we ignite growth for our company, industry, and people. We’re enablement innovators seeking the best, brightest teammates who are mission-driven and empowered by our values. We are the global leader in enablement with employees and offices around the world.. We know it’s easy to find sales clouds and marketing clouds, but enablement clouds? You don’t see those every...

Seismic
AviadoBio
Healthtech • Biotech
London
50 Employees

At AviadoBio our mission is to potentially transform the lives of people living with neurodegenerative disorders by developing and delivering transformative gene therapies for diseases including frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS). The Company’s technology is based on pioneering research from King’s College London and the UK Dementia Research Institute.

AviadoBio
Paymentology
Cloud • Fintech • Payments • Financial Services
4 Offices
340 Employees
Hiring Now

Paymentology is the leading next-gen cloud-native global issuer-processor. We provide digital banks, retail banks, fintechs and telcos the technology, team and experience to easily issue and process any type of physical or virtual card; debit, prepaid, credit and more. Anywhere in the world, rapidly and at scale. Our superior multi-cloud platform offering both shared and dedicated processing instances, vast global...

Paymentology
Bakkavor
Food • Retail
22 Offices
4,945 Employees
6 Benefits

Bakkavor Group is a leading provider in the fresh prepared food market, specialising in developing private label products for top global grocery retailers and well-known international foodservice operators. In the UK, our customers include some of the UK’s best known grocery retailers including Tesco, Marks & Spencer, Sainsbury’s, Waitrose, Asda and Morrisons, who sell our products to consumers under their...

Bakkavor
Data Intensity
Information Technology
4 Offices
449 Employees
22 Benefits

Data Intensity is recognized as an Oracle Strategic Managed Services Provider partner. We manage complex Oracle workloads on any platform and any cloud with the right combination of strategy, expertise, and services. Our proprietary Safe-Switch methodology and Total Cost of Ownership Transformation Assessment create the foundation for data-driven IT business transformations. If your business relies on Oracle, we are your...

Data Intensity
WorkWave
Software
8 Offices
286 Employees
34 Benefits

WorkWave empowers service-oriented companies to reach their full potential through scalable, cloud-based software solutions that support every stage of their business life-cycle. At WorkWave, we think about business the way you do. We know that for service-oriented companies, there are many steps of your business journey - from signing new customers, delivering service in the field, to invoicing, and everything in...

WorkWave
Lokr
Information Technology
London
17 Employees

Lokr is the first all-in-one, multi-chain token locking and escrow platform with built-in privacy functionality. Its products — Vault, Swapr, Bridgr and Mintr — help build trust within the DeFi space by removing the human element and focusing on governance through code, with a seamless, omnichannel digital experience platform.

Lokr
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BVNK
Fintech • Payments • Financial Services
5 Offices
320 Employees
Hiring Now

BVNK is a next-generation payments platform for businesses. We bridge traditional and digital finance to make payments borderless, fast, and secure. Using the BVNK platform, businesses can send and receive payments anywhere in the world in seconds, 24/7. Newsweek's 25th Most Loved Workplace globally

BVNK
Puresport
Fitness • Healthtech
London
31 Employees

The UK's leading wellness brands. We create revolutionary, world-first natural products

Puresport
EBC Financial Group
Fintech • Software • Financial Services
London
88 Employees

EBC Financial Group is a comprehensive financial services group established in the global financial centre of London, a highly regarded financial centre for global financial investment, asset management and financial consulting. The company has offices in London, Hong Kong, Tokyo, Sydney, Singapore, Bangkok and continues to establish offices globally. The group of companies provide professional, individual and institutional investors with...

EBC Financial Group
Female Invest
Fintech • Payments • Financial Services
London
49 Employees

Female Invest is on a mission to close the financial gender gap. By creating a safe space and a trusted source for knowledge, we’re democratizing investing for everyone globally. Our edtech platform has paying members in 100+ countries and our book 'Girls Just Wanna Have Funds' is a global bestseller

Female Invest
Workbounce
Software • Industrial
London
9 Employees

Accelerate sales with AI powered enablement. Get instant answers to deal blocking questions. Connect all of your documents and resources with AI powered search and support to give your reps knowledge superpowers

Workbounce
Normal Computing
Artificial Intelligence • Machine Learning • Software • Semiconductor
4 Offices
51 Employees
46 Benefits
AI for our most pressing crises in silicon.

Normal is rethinking semiconductors from the ground up. The infrastructure powering AI models was never designed with today’s scale, complexity, or energy demands in mind. Today's general-purpose architectures underutilize the physical potential of the hardware itself. By aligning hardware design with the intrinsic properties of physical systems, we can transform efficiency. We believe that exploring the limits of new and custom silicon,...

Normal Computing
Concorde Technology Group
Cloud • Information Technology • Software • Cybersecurity
4 Offices
55 Employees

Concorde Technology Group is one of the UK’s leading Managed IT Services providers, specialising in Infrastructure Solutions, IT support, Cybersecurity, Communications and Cloud Solutions Established in 1985, we are committed to making IT work for our customers and offer technical excellence and reliability as standard. As a national company with a localised quality, we benefit from a loyal customer base...

Concorde Technology Group
VDX.tv
AdTech
23 Offices
403 Employees
24 Benefits

VDX.tv is a global, TV/video advertising technology company that helps brands magnify the magic of their TV ads by connecting the TV with a household member's personal devices and allowing consumers to interact with their TV ads on their phones and other devices. Our solutions are specifically designed to address the unique challenges in each industry vertical. Our mid-funnel video...

VDX.tv
Heartflow
Healthtech
6 Offices
650 Employees
21 Benefits
Transforming Cardiovascular Care Through Innovation

Heartflow is the global leader in AI-driven coronary artery disease (CAD) management, transforming how CAD — the world’s leading cause of death — is diagnosed and treated. Our advanced technology generates personalized, precision 3D heart models from a single CT scan, providing clinicians with the clarity and confidence to deliver earlier, more effective treatments — transforming CAD into a disease...

Heartflow
Epsilon
AdTech • Digital Media • Marketing Tech
30 Offices
8,000 Employees
43 Benefits
Marketing built on proof, not promises.

When you’re one of us, you get to run with the best. For decades, we’ve been helping marketers from the world’s top brands personalize experiences for millions of people with our cutting-edge technology, solutions and services. Epsilon’s best-in-class identity gives brands a clear, privacy-safe view of their customers, which they can use across our suite of digital media, messaging and...

Epsilon

Epsilon's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst evaluations place Epsilon as a Leader in Forrester’s Loyalty Platforms (Q4 2025) and IDC recognizes its clean‑room technology, signaling strength in loyalty and identity‑led activation. CORE ID and its role in retail media (e.g., CitrusAd powered by Epsilon and the John Lewis Partnership expansion) reinforce differentiated positioning.

Investor Backing & Capital Strength: As part of Publicis Groupe, Epsilon benefits from a scaled, growing parent that is actively investing in data and identity, including the definitive agreement to acquire LiveRamp (~$2.17B EV). Group filings and communications emphasize Epsilon’s centrality to an integrated media‑and‑data go‑to‑market.

Strong Revenue Growth: Epsilon finished 2023 at +9.6% organic growth, with management later calling out “almost +10%” for combined media and Epsilon activities in Q3 2024. The broader group reported +5.6% organic growth in 2025 and raised 2026 guidance to +4.5%–+5.0%, providing a supportive growth backdrop for Epsilon’s capabilities.

Pupil
Artificial Intelligence • Computer Vision • Information Technology • Machine Learning • Software
London
200 Employees

Pupil is a spatial data company. We capture and publish 3D digital twins of real estate on a global scale. Through its technology, Pupil is creating a universal measurement standard that is guaranteed for accuracy to 99%. It is transforming industries by digitising the world’s interiors with new levels of accuracy and consistency, bringing transparency to real estate markets worldwide....

Pupil

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