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Top Tech Companies in London (7,385)

Greendeck
eCommerce • Fashion • Information Technology • Analytics • Consulting
London
15 Employees

Are you operating in a highly competitive market? Worried about losing sales to your competitors? Get the complete data on other retailers/brands in your country to ensure that you offer the right products at the right price. We help online brands and retailers with price and promotion optimisation and competitor monitoring. How? -> Track your competitor’s products, prices and promotions...

Greendeck
ZipRecruiter
Big Data • HR Tech • Mobile • Software • Database
8 Offices
1,100 Employees
32 Benefits
We Actively Connect People to Their Next Great Opportunity.

ZipRecruiter is a leading online employment marketplace. Powered by AI-driven smart matching technology, the company actively connects millions of all-sized businesses and job seekers through innovative mobile, web, and email services, as well as partnerships with the best job boards on the web. We're growing rapidly in pursuit of this mission, and we're always looking for talented people to join...

ZipRecruiter

ZipRecruiter's Top Stability & Growth Strengths

Innovation-Driven Growth: The platform is positioned around AI-driven matching and new features, with performance-based revenue improving late in 2025 alongside marketplace enhancements. Product extensions such as workplace ratings and other AI-led initiatives are framed as levers to improve engagement and monetization.

Cost & Operational Efficiency: Adjusted EBITDA remained positive despite a soft hiring cycle, and margins improved in Q4 with guidance for further margin expansion in 2026. This points to cost discipline and the ability to generate operating leverage even when revenue is uneven.

Strong Brand Reputation: The company is described as highly rated in app and satisfaction contexts, reinforcing a strong product experience and recognition among its core employer segment. Brand awareness among U.S. employers is characterized as strong, supporting demand generation in SMB hiring.

Setmixer
Social Media
London
12 Employees

Setmixer records all performances automatically and autonomously, and best of all. When the artist leaves the stage, the moment is gone, forever. Don't let that happen to yours. Our unique recorder is permanently connected to the mixing desk of our partner venues to record every performance, in full 32-channel multitrack studio quality

Setmixer
Projective Group
Analytics • Financial Services
6 Offices
700 Employees

Established in 2006, Projective Group is a leading Financial Services change specialist. We are recognised within the industry as a complete solutions provider, partnering with clients in Financial Services to provide resolutions that are both holistic and pragmatic. We have evolved to become a trusted partner for companies that want to thrive and prosper in an ever-changing Financial Services landscape.

Projective Group
Whatfix
Software
7 Offices
1,100 Employees
5 Benefits

Whatfix is a data-driven digital adoption platform (DAP) that enables organizations and users to maximize the benefits of software. Whatfix acts as an interactive overlay on top of any application to guide users with real-time guidance, self-help support, and user feedback. With product analytics and AI, Whatfix enables scalable success with technology, maximizing productivity, and leveraging data-driven insights for better...

Whatfix
Marqeta
Fintech • Payments • Security • Software • Financial Services
5 Offices
900 Employees
79 Benefits
Work that powers possibilities

Marqeta enables payment possibilities for the world's innovators. Our open API card issuing platform provides unprecedented flexibility and control for industry-leading companies such as Block, Coinbase, Klarna, Affirm and Uber, to issue cards, authorize transactions, and manage payment operations in real-time.

Marqeta
LCP
Analytics • Financial Services
6 Offices
1,204 Employees
18 Benefits

At LCP, our experts provide clear, concise advice focused on your needs. We use innovative technology to give you real time insight and control. Our experts work in pensions, investment, insurance, energy and business analytics.

LCP
Foolproof
Software • Design
2 Offices
185 Employees

We’re Foolproof. We craft products, build brands and transform technologies. Part of Zensar, a global technology company. We employ a team working from Studios in the UK, India, South Africa, APAC and North America with specialist partners around the world.

Foolproof
Trident Trust
Fintech • Software • Financial Services
7 Offices
1,068 Employees
5 Benefits

Founded in 1978, Trident Trust is a leading independent corporate, fiduciary and fund administrator, employing over 1,100 staff across a global footprint that spans Africa, the Americas, Asia, the Caribbean, Europe and the Middle East. Financial institutions, professional advisors, asset managers, family offices and international businesses turn to us for the provision of independent corporate, trust and fund administration services, relying...

Trident Trust
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ShipServ
Information Technology • Software
3 Offices
205 Employees

ShipServ: Simple, secure and sustainable trade for the blue economy. The ShipServ trading network is the most extensive, adopted and in-depth integrated online platform built for the maritime industry. ShipServ connects professional buyers and suppliers, simply and securely, to drive business opportunities and sustainable growth. ShipServ Trade interconnects buying and selling processes - it is transparent through smart data processes; it is accessible...

ShipServ
Quality Clouds
Cloud • Edtech • Software
London
62 Employees

Quality Clouds is the leading provider of quality control management software that global organizations depend on to streamline development, manage risk, and achieve full transparency over their SaaS platform development initiatives Built as a continuous improvement tool for SaaS platforms, Quality Clouds help organizations achieve greater control of and visibility over their SaaS production and pre-production environments. Quality Clouds continuously analyses...

Quality Clouds
Sliide
Information Technology
London
110 Employees

Sliide provides a suite of mobile services that help companies get more from the mobile economy. The suite, powered by its Accessware personalization technology, provides users with easy access to news, search, rewards and other essential services, complementing what's included with a device’s operating system. Sliide is distributed through carriers and device manufacturers, allowing partners to differentiate their offering, increase...

Sliide
Zenrock
Blockchain • Software • Cryptocurrency • Cybersecurity
London
21 Employees

Zenrock is the bedrock security infrastructure that will support an omnichain future.

Zenrock
Ondato
Fintech • Insurance • Financial Services
London
77 Employees

Ondato is a tech company that streamlines KYC and AML-related processes using cutting-edge AI solutions tools that cover the full spectrum of compliance challenges, from new client onboarding to a comprehensive database for ongoing client monitoring. As a global leader in the identification industry, Ondato provides the fastest digital ID verification services to next-generation businesses and society.

Ondato
Milestone AV Technologies
Hardware • Other
16 Offices
501 Employees
30 Benefits

Milestone AV Technologies is a leading designer and manufacturer of branded audiovisual products including flat panel mounting solutions, projector mounts, screens, equipment racks and AV furniture for both the consumer and commercial AV markets. Milestone’s innovative products, sold principally under the Chief, Da-Lite, Sanus and Vaddio brand names, are sold through numerous channels, including Pro AV dealers, regional home theater...

Milestone AV Technologies
UXBERT Labs
Digital Media • eCommerce • Software
4 Offices
130 Employees

We believe the Experience Matters. We love to create simple products that people love to use through scientific usability, cognitive psychology, consumer behavior and business intelligence analytics. Headquartered in Riyadh, UXBERT Labs is Saudi Arabia's first Customer and User Experience, Digital Innovation and Experience design lab. The only innovation lab in the region focusing on on scientifically proven ecommerce and...

UXBERT Labs
Odqa Renewable Energy Technologies
Energy • Renewable Energy
London
18 Employees

Odqa is an engineering spin-out from Oxford Thermofluids Institute - a world-renowned jet engine research centre. We are transferring our jet engine knowledgebase into solar thermal receivers enabling high temperature solar thermal plants. We produce carbon-free hot air stream from sunlight to produce many world`s first applications and drive the innovation to fight climate change

Odqa Renewable Energy Technologies
The Very Group
eCommerce • Fashion • Payments • Retail
6 Offices
2,217 Employees

The Very Group is a multi-brand online retailer and financial services provider operating digital platforms Very.co.uk and Littlewoods.com, offering home, fashion, and family products.

The Very Group
Nexl
Legal Tech • Software
3 Offices
70 Employees

Nexl is a collaboration cloud for modern law firms. At Nexl, we combine CRM, Who-Knows-Who, Email Marketing, Collaboration, and more — all in one platform.

Nexl
Cielo Talent
HR Tech
13 Offices
2,307 Employees
34 Benefits

Talent is the currency of now. Cielo is the world’s leading Talent Acquisition Partner, helping companies across the globe stay ahead in the race for talent with fresh TA strategies & RPO solutions. Don’t just take it from us: clients and analysts regularly recognize us as a Leader on: HRO Today’s RPO Baker’s Dozen list, Everest Group’s RPO PEAK Matrix,...

Cielo Talent

Cielo Talent's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst matrices and industry rankings consistently place Cielo among global leaders, including top-tier placements in 2024–2026. Recurring recognition across Everest Group, HRO Today, and NelsonHall signals durable competitive standing in RPO and enterprise talent acquisition.

Market Expansion: Recent moves point to expanding geographic reach and program scope, including a new Seoul office and multi-region RPO wins such as Energizer. Additional program expansions (e.g., The Standard) and strong positions in regions like EMEA indicate a broader operating footprint.

Innovation-Driven Growth: Ongoing investment in AI-enabled solutions and governance (e.g., TalentCloud enhancements, Agentic AI, AI readiness tool, ISO 42001) indicates a technology-forward growth agenda. Launch cadence through 2025–2026 supports modernized delivery and differentiation.

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