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Top Tech Companies in London (8,305)

Sitero
Information Technology • Software • Biotech
3 Offices
362 Employees

Sitero is a next-generation, site-focused clinical research organization (CRO) for life sciences and institutional research organizations that helps get treatments to market safer and faster through tech-forward services that streamline research. Accelerate your clinical trial, drive compliance and safety, and unlock innovation with access to powerful technology and world-class services. Sitero combines the expertise of a tenured team with a...

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Sitero
Touchlight
Healthtech • Biotech
London
200 Employees

At Touchlight we are revolutionising DNA. Our Company and technology is built on the conviction that DNA is fundamental to the future of medicine. By moving away from today's restrictive biological approaches, we have made DNA simple. Our unique dbDNA™ (or "doggybone" DNA) vector is optimised for use in advanced genetic medicines, being safer and more efficacious than conventional plasmid DNA....

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Touchlight
Wholegrain Digital
AdTech • Web3
London
25 Employees

Wholegrain Digital was founded in 2007 on principles of good design for good businesses. We work with clients including Oxfam, M&S, Unicef, Lenovo and Ecover. We went into business with the aim of using good design and web technology to help positive organisations thrive and to set an example in how business can be used as a force for good....

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Wholegrain Digital
Secureframe
Software • Cybersecurity • Automation
7 Offices
104 Employees
16 Benefits

Secureframe is the leading, all-in-one compliance automation platform that helps companies achieve and maintain compliance with the most rigorous frameworks including CMMC, FedRAMP 20x, SOC 2, ISO 27001, and HIPAA.

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Secureframe
RVU
Consumer Web • Marketing Tech
4 Offices
652 Employees
11 Benefits

You know us better than you think! Our mission is to empower people to make confident decisions. With our unique set of brands we have the best of both worlds; the excitement of a startup and the strength of well established, trusted household names. Uswitch.com is the UK’s top comparison website for home services switching, helping consumers save money on...

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RVU
Nestify
Real Estate • Travel • Hospitality
London
62 Employees

Unlock the potential of your home with our premium short, mid, long term management solution. We handle everything for you including marketing your property, guest relations 24/7, housekeeping and much more.

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Nestify
Tipalti
Fintech • Payments • Software
9 Offices
1,100 Employees
23 Benefits
Tipalti provides a modern, holistic, powerful payables solution that scales with your changing business needs

Tipalti is the only global payables automation solution to streamline all phases of the AP and payment management workflow in one holistic cloud platform. Tipalti makes it painless for accounts payable departments to manage their entire supplier payments operation. The solution addresses everything from supplier onboarding and vetting, to tax and regulatory compliance, invoice processing, payments to suppliers anywhere in...

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Tipalti
Zinc
eCommerce • Software
2 Offices
10 Employees

Zinc builds a programmable commerce layer for the internet through an API that gives developers access to millions of products across online retailers. Its infrastructure supports product search, automated purchasing, shipment tracking, and returns through one integration, covering retailers such as Amazon, Walmart, Target, Best Buy, and Alibaba. The platform serves use cases including procurement, corporate gifting, dropshipping, rewards redemption,...

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Zinc
SS&C Black Diamond Wealth Solutions
Fintech • Information Technology • Software • Financial Services
43 Offices

SS&C Black Diamond Wealth Solutions is the premier suite of technology and services built to simplify operations, strengthen client relationships, and support the long-term growth of wealth management firms.

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SS&C Black Diamond Wealth Solutions
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Blackhawk Network
eCommerce • Payments
14 Offices
2,265 Employees
24 Benefits

Blackhawk Network delivers branded payment solutions through the prepaid products, technologies and network that connect brands and people. We collaborate with our partners to innovate, translating market trends in branded payments to increase reach, loyalty and revenue. Serving 28 countries, we reliably execute security-minded solutions worldwide. Join us as we shape the future of global branded payments.

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Blackhawk Network

Blackhawk Network's Top Stability & Growth Strengths

Strong Market Position & Advantage: Blackhawk is widely characterized as a leader in branded payments and third‑party gift card distribution, operating across 28 countries with over 400,000 consumer touchpoints and handling annual volumes above $35 billion. Market share indicators and entrenched retail distribution reinforce a durable competitive position.

Strong Revenue Growth: Revenue increased from 2023 to 2024 and preliminary 2025 adjusted operating revenue growth was cited near high single digits, with expectations for additional mid‑single‑digit gains into 2026. Growth contributions span Global Commerce and Global Incentives, aided by a rising digital mix.

Innovation-Driven Growth: Expansion into digital and B2B incentives (including the Tango Card acquisition) and launches like the stored value platform and Digital Wallet API signal a technology-forward roadmap. Digital products approaching a majority of sales volume and new channels (e.g., social commerce) support margin expansion and scalability.

Hero (gohero.io)
3 Offices
9 Employees

The ability to accurately identify and monitor Health Risk has never been more important. Cardiorespiratory Fitness is the single largest attributable factor to human mortality. Measuring VO2 Max provides the greatest indicator of an individual’s health risk. HERO has made it possible to accurately measure VO2 Max in 2 minutes without the need for a laboratory test or equipment. — Proudly...

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Hero (gohero.io)
Smart Communications (smartcommunications.com)
4 Offices
408 Employees

Smart Communications provides the platform that leading organizations trust to deliver personalized, consistent, and compliant conversations across all touchpoints and channels. The Conversation Cloud™️ consists of SmartCOMM™️ for enterprise-scale customer communications, SmartIQ™️ for digital forms transformation, and SmartDX™️ for trade documentation. Over 650 enterprise organizations across the globe rely on Smart Communications to simplify and automate complex processes and deliver...

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Smart Communications (smartcommunications.com)
The Law Debenture Group
Professional Services • Financial Services
9 Offices
254 Employees
3 Benefits

Established for over 125 years, Law Debenture today provides a wider range of services than ever before including corporate and pension trusts, process agent services, treasury management, corporate services including for special purpose vehicles, structured finance administration and whistleblowing services. Services available worldwide from offices in London, Sunderland, New York, Delaware, Hong Kong, the Channel Islands and the Cayman Islands.

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The Law Debenture Group
PayStream
Fintech • Financial Services
2 Offices
323 Employees

PayStream is a market leading business providing a range of payroll, umbrella, tax, software and accountancy services for recruitment agencies, contractors and other businesses. Managed by a team of experienced accountancy professionals, PayStream is supported by over 300 employees all with a passion for providing the very best service in the sector. All of our operations and people are based in...

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PayStream
SPOR Group
Hardware • Information Technology • Professional Services
London
36 Employees

SPOR Group is a UK-based professional audio-visual and digital workplace solutions provider with headquarters in London. It designs, builds, supplies, integrates, and supports corporate office AV environments, helping organizations plan or upgrade meeting and collaboration spaces. Its services include proactive AV management, monitoring, ongoing support, and the SPORTrack platform, serving businesses seeking reliable, predictable workplace technology for modern, connected corporate...

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SPOR Group
Dogma Alares
Machine Learning • Consulting
2 Offices
32 Employees

In a fast changing world where fortunes are gained and lost faster than ever, transforming your business with technology and analytics are key. Often corporate culture slows down or even prevents such moves. Breaking certain commonly held beliefs or dogmas is needed. Yet time is scarce and solutions are numerous as well as often interrelated. The Roman army had small troops on...

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Dogma Alares
IN-VR
Energy
London
49 Employees

IN-VR is the leading global Energy investment platform that serves both Nations and the Energy industry alike.With 12 offices across the world, IN-VR works closely with the three pillars of the energy industry: Governments, Investors & Service Companies to democratise investment opportunities.Our services include:Government and industry strategic consultancy, Block Promotion (Roadshows, Conferences, Marketing),Investment outreach for the Energy Industry and Strategic...

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IN-VR
Chartmetric
Music • Software • Analytics
5 Offices
56 Employees
11 Benefits
We are the music industry's leading data analytics platform, and we can't wait to see what you create.

Chartmetric helps the music industry make smarter and faster music business decisions by providing reliable data, beautiful visuals, in-depth insights, innovative features, and rockstar customer support. Access market-level data from more than 20 music streaming and social media sources — plus, the power of data science … all in one place. We are the music industry's leading data analytics platform, and...

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Chartmetric
Mind Candy
Information Technology • News + Entertainment • Software
London
25 Employees

Mind Candy's vision is to create worlds that fire the imagination. We imagine, build and breathe life into digital experiences that bring joy to the lives of families all over the world. If you are looking for an exciting next step on your adventure and think Mind Candy could be a place where you'd flourish - we'd love to hear...

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Mind Candy
Aubay
Information Technology
7 Offices
4,164 Employees
Anticiper l'innovation

Present in 7 countries in Europe, Aubay has more than 7800 employees and has generated revenues of € 513,5 million in 2022, with year on year growth consistently. From consulting and all types of technological projects, we provide our expertise in transformation and modernization of information systems. We operate and add value in specific markets : banking, finance, insurance, industry, networks,...

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Aubay

Aubay's Top Stability & Growth Strengths

Strong Revenue Growth: Results indicate record revenue in 2025 and a strong start to 2026, with momentum building after a slower 2024. Feedback suggests both reported and underlying growth improved recently, supported by new accounts and scope additions.

Market Expansion: The company operates across seven European countries and has added capacity and clients through acquisitions, while targeting further growth in Italy and Spain. Evidence points to increased hiring and an expanded office footprint to support demand.

Strong Market Position & Advantage: The firm is consistently characterized as a major European player and a leading mid-tier specialist with credibility in regulated sectors such as banking, insurance, telecoms, and public services. Its pan-European delivery and role as a pure player in application services underpin competitive relevance with large enterprises.

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