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Top Tech Companies in London (8,304)

QSC
Appliances • Manufacturing
8 Offices
1,122 Employees
27 Benefits

Founded over five decades ago, QSC, LLC is a globally-recognized leader in the design, engineering and manufacturing of award-winning solutions and services. QSC, LLC includes two business divisions: Q-SYS is a cloud-manageable audio, video and control (AV&C) Platform built around a modern, standards-based IT architecture. With established solutions across Corporate, Education, Hospitality, Venues & Events, Cinema, Government, Healthcare, and Transportation,...

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QSC
Zycus
Software
10 Offices
1,337 Employees
10 Benefits

Zycus is a pioneer in Cognitive Procurement software and has been a trusted partner of choice for large global enterprises for two decades. Zycus has been consistently recognized by Gartner, Forrester, and other analysts for its Source to Pay integrated suite. Zycus powers its S2P software with the revolutionary Merlin AI Suite. Merlin AI takes over the tactical tasks and...

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Zycus
Global X ETFs
Cryptocurrency • NFT
4 Offices
217 Employees
8 Benefits

Global X ETFs was founded in 2008. For more than a decade, our mission has been empowering investors with unexplored and intelligent solutions. Our product lineup features a wide range of ETFs, spanning disruptive technology, equity income, commodities, hard-to-access emerging markets, and more. Or simply put, we strive to offer investors something beyond ordinary. Global X is a member of...

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Global X ETFs
farillio
HR Tech • Information Technology • Legal Tech
London
17 Employees

Farillio is THE trusted everyday small business companion, providing affordable access to business-friendly tools, critical knowledge and core materials that small businesses need to survive and grow. Our solutions, written with experienced small businesses and signed off by experts, include how-to-do-it videos, up-to-date self-serve guides, dynamic legal templates, and comprehensive, pre-populated workflow tools covering all the key areas needed to...

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farillio
Gridlogic
Software
3 Offices
72 Employees

Gridlogic has emerged as one of India’s rapidly growing groups with operations in 3 countries. Gridlogic, though young, is by no means short of expertise. It employs people worldwide and is well respected in India for its aggressive approach, strong values and inspiring business ethics. Gridlogic enjoys significant presence - its portfolio currently includes companies in the Software Development, Hospitality,...

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Gridlogic
GlobeDX
Blockchain • Fintech • Software • Financial Services • Cryptocurrency
London
11 Employees

Globe is enabling safe, liquid, global cryptocurrency markets We are working to solve the problems of endless exchange overloads, internal market makers trading against their own customers, poor institutional access, low product innovation and other issues troubling existing futures exchanges We are traders from hedge funds, banks and high frequency trading firms building a third generation of infrastructure Globe is...

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GlobeDX
Vodafone
Hardware • Mobile • Software
10 Offices
135,000 Employees
15 Benefits

At Vodafone, we are known for our technology, but the truth is, it is humanity that drives our business forward. With the global pandemic raising so many questions for tech brands, it has highlighted the leading role that we need to play. We believe that, when working together, humanity and technology can find the answers and create a better future for...

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Vodafone
FullCircl
Financial Services
London
79 Employees

FullCircl is a Customer Lifecycle Intelligence (CLI) platform that helps companies in regulated industries do better business, faster. Industry specific solutions address critical business challenges, enabling clients to efficiently win the right customers, rapidly assess risk to accelerate onboarding, and keep them for a lifetime by anticipating needs and delivering proactive account management. Through its applications, proprietary 'graph' technology, intelligent...

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FullCircl
SAM Labs
Edtech
2 Offices
33 Employees
16 Benefits

SAM Labs offer innovative courses to teach STEAM and Coding with confidence. Our easy-to-use solution, developed for specialist and generalist teachers alike, enable students to conduct experiments, solve problems and design prototypes. Our kits include practical curriculum-aligned courses (Grades K-8), Bluetooth connected hardware blocks and interactive software - ready-made to master computational thinking. Join our vibrant community of practice at...

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SAM Labs
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TechnologyOne
Information Technology • Software
12 Offices
1,200 Employees
13 Benefits

TechnologyOne (ASX:TNE) is Australia's largest enterprise Software as a Service (SaaS) company and one of Australia's top 200 ASX-listed companies, with offices across six countries. Our enterprise SaaS solution transforms business and makes life simple for our customers by providing powerful, deeply integrated enterprise software that is incredibly easy to use. Over 1,200 leading corporations, government departments and statutory authorities...

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TechnologyOne
Sirona Medical
Artificial Intelligence • Computer Vision • Software
Harlow
83 Employees
Hiring Now

Sirona Medical Inc. is addressing the needs of today’s radiology practices with a novel cloud-native platform that unifies radiology IT applications – worklist, viewer, reporter, and AI – onto a single, streamlined Workspace. Sirona’s radiology operating system (RadOS) puts radiologists in the driver’s seat with AI-powered solutions that simplify their workflow and amplify their work product. Based in San Francisco,...

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Sirona Medical
The Wall Street Journal
Digital Media • News + Entertainment • Professional Services
12 Offices

The Wall Street Journal is an American daily newspaper providing extensive coverage of business and finance news, operating on a subscription model. It aims to be the definitive source of news and information through the lens of business, finance, economics, and money.

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The Wall Street Journal
AFFIX
Digital Media • Gaming
London
14 Employees

Independent competitive gaming E-Platform for online multiplayer PvP gamers. The aim is to further the e-sports ecosystem by offering players of all levels the chance to compete in a competitive environment with their favourite games in exchange to monthly membership fee.

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AFFIX
Marsh McLennan
Fintech • HR Tech • Insurance • Consulting
35 Offices
78,000 Employees
37 Benefits Hiring Now

Marsh McLennan (NYSE: MMC) brings together nearly 78,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries. Marsh enables enterprise worldwide by helping clients manage risks, transforming uncertainty into opportunity. Guy Carpenter helps clients grow profitably with reinsurance broking expertise, advisory services, and advanced analytics. Mercer helps organizations advance...

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Marsh McLennan

Marsh McLennan's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue expanded across 2024–2025, including double-digit reported growth in 2025 alongside continued underlying growth, with quarterly updates showing consistent momentum.

Diversified Revenue Streams: The business mix spans insurance broking, reinsurance, human capital, and strategy consulting, which helps smooth performance across insurance pricing cycles and broader macro conditions.

Healthy Cash Flow: Cash generation strengthened versus the prior year alongside margin progress, and the company returned significant capital through share repurchases, indicating strong cash conversion and financial flexibility.

Mango Logistics Group
London

Mango Logistics is a sustainable bespoke logistics provider (3PL) that specialises in courier and warehousing solutions. Operating from the heart of London, Mango Logistics operates both large and micro-warehouses and a 100% owned electric fleet providing a true sustainable last mile delivery for B2B and B2C clients. Mango Logistics' services include cross docking, forward stock location, same-day, next day and...

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Mango Logistics Group
Gardenia Technologies
Fintech • Machine Learning • Analytics
London
17 Employees

Gardenia Technologies is an ISO27001 certified financial technology company that, through a proprietary-built enterprise-grade system of intelligence (platform, software and algorithms), delivers much needed, high ROI services to corporates, helping expedite Digital Transformations and Change Initiatives to increase free-cash flow, improve profitability and at the same time reduce and report on their climate-related risks.

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Gardenia Technologies
Sojern
AdTech • Digital Media • Machine Learning • Marketing Tech • Software • Travel • Hospitality
6 Offices
396 Employees
39 Benefits
Sojern is the #1 travel marketing platform built to help travel marketers.

Sojern is built on more than a decade of expertise analyzing the complete traveler path to purchase. We drive travelers from dream to destination by activating multi-channel branding and performance solutions on the Sojern Traveler Platform for more than 10,000 travel companies around the globe.

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Sojern

Sojern's Top Stability & Growth Strengths

Strong Revenue Growth: Available disclosures indicate revenue rose from $149.3M in 2022 to $165.7M in 2023 and $172.2M in 2024, showing steady top-line expansion. The 2025 acquisition by RateGain is framed around Sojern’s scale and continued growth potential.

Strong Market Position & Advantage: The company is repeatedly characterized as a leading travel/hospitality marketing platform and now sits within RateGain, with the combined platform serving roughly 13,000 customers worldwide. Ongoing publication of widely referenced research and destination marketing involvement signal category visibility.

Strategic Partnerships: Recent integrations and partnerships (e.g., Cloudbeds, PubMatic) and marquee wins (e.g., Ascott) expand distribution and activation routes and support performance. RateGain highlights cross-sell and AI-led campaign performance synergies tied to Sojern.

CSC Commodities
Financial Services
London
33 Employees

CSC Commodities is a proprietary trading company and liquidity provider, focusing on fuel oil and distillates swaps and options trading. We have established relationships with a wide range of counterparts and are always actively trading and are a key provider of values and prices at a minimum cost. CSC Commodities is a young and entrepreneurial company. The ambition is to...

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CSC Commodities
Stacker (stacker.com)
Information Technology • Software
London
94 Employees
2 Benefits Hiring Now

Stacker is the first content distribution platform built for earned reach. We enable the scalable distribution of vetted, brand stories to a network of news outlets. Brands build trust and authority by reaching new audiences through their editorial content, while publishers unlock a library of original stories to engage readers at no cost. Stacker's platform eliminates the cost and rigidity...

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Stacker (stacker.com)
Gripped
AdTech • Marketing Tech • Professional Services • SEO
London
35 Employees

Gripped is a digital first sales & marketing agency for B2B SaaS, technology & IT companies. We help founders, sales leaders, and marketing teams to earn the trust of prospects and customers. From strategy to execution we’ll build market presence, turn the right strangers into leads, and enable you to close more deals in a digital-first world. Using a combination of...

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Gripped

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