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Top Tech Companies in London (8,302)

Global Banking School Limited
Edtech • Professional Services • Financial Services
4 Offices

Global Banking School (GBS) is a private British higher education provider founded in 2010, specializing in vocational and degree-level programs in fields such as business, finance, and health and social care.

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Global Banking School Limited
OSSTEC
3D Printing • Healthtech • Manufacturing
London
9 Employees

Osteoarthritis causes chronic pain for 33% of the population and is treated with joint replacement. 1.3M knee replacements are performed globally every year - 450,000 of them are in young patients with high risk of failure and revision surgery. These patients experience poorer outcomes so surgeons are reluctant to treat them. OSSTEC has developed an additive manufacturing bone healing technology, currently...

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OSSTEC
assembly
eCommerce
17 Offices
455 Employees
23 Benefits

Assembly is a global e-commerce software and data platform powering Helium 10, Pacvue, and Refersion. Headquartered in Los Angeles, Assembly empowers users to make more money, form better decisions, and take better actions through superior products, tools and community. Assembly serves millions of brands, merchants and users spanning 125 countries – providing them with the business technology they need to...

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assembly
Langland
AdTech • Marketing Tech
2 Offices
298 Employees

Welcome to Langland. We bring a different perspective on health. Experts in the disciplines of Clinical Trial Experience, Medical Strategy & Education, Public Relations & Engagement, and Advertising we work together to help people, businesses and brands think further.

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Langland
Rentify
Real Estate
London
16 Employees

Rentify is a letting agent built for the 21st century. It helps landlords to let and manage their properties by giving them a fixed yield, using Rentify’s Property Specialists without the hassle and expense of an old-fashioned agent. Rentify's landords successfully leverage our unmatched property knowledge. This means better rents, great tenants and substantial savings in letting fees. Rentify emphasises...

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Rentify
DNV
Aerospace • Professional Services • Transportation • Energy
25 Offices
15,001 Employees
25 Benefits

We are the independent expert in assurance and risk management. Driven by our purpose, to safeguard life, property, and the environment, we empower our customers and their stakeholders with facts and reliable insights so that critical decisions can be made with confidence.

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DNV
Vega
London
24 Employees

Vega is the comprehensive wealth-building platform for modern high-net-worth individuals and their advisors. With a mission to bridge the gap between the institutional and private wealth management worlds, Vega delivers a full-stack offering, providing access to managed investment products covering the entire portfolio allocation spectrum, complemented by sophisticated liquidity and financial planning solutions.

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Vega
Red Deer Global
Legal Tech
London
1 Employees

End-to-end UK Visa advisory from case analysis, application to after-landing services

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Red Deer Global
Niantic
Gaming • Software • Virtual Reality
10 Offices
802 Employees
29 Benefits

Niantic is the world’s leading AR technology company, sparking creative and engaging journeys in the real world. Our products inspire outdoor exploration, exercise, and meaningful social interaction. Originally formed at Google in 2011, we became an independent company in 2015 with a strong group of investors including Nintendo, The Pokémon Company, and Alsop Louie Partners. Our current titles include pioneering global-control...

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Niantic
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Clari
Software
5 Offices
670 Employees
41 Benefits
Clari's market-leading Revenue Platform helps go-to-market teams of every size and stripe take control of their revenue.

Clari's market-leading Revenue Platform helps go-to-market teams of every size and stripe take control of their entire sales process and revenue operation. With Clari’s Revenue Platform, all revenue-critical employees now have an enterprise system to run revenue. Forecasting, pipeline management, conversation intelligence, deal execution, coaching, and buyer collaboration (to name a few) are a maze of challenges made simple with...

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Clari

Clari's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst evaluations name Clari a Leader in its category, including Forrester’s 2024 Wave and Gartner’s inaugural 2025 Magic Quadrant. The December 2025 merger with Salesloft is described as further cementing this leadership position.

Market Expansion: The Clari–Salesloft merger closed in December 2025 and is framed as a step‑function increase in scale, serving thousands more organizations. Company communications project the combined entity to manage roughly $10T in revenue under management.

Innovation-Driven Growth: The companies outlined a Predictive/Autonomous Revenue System vision and highlighted new AI agents and Revenue Cadences. Clari is repeatedly cited as strong in forecasting, pipeline visibility, and end‑to‑end revenue orchestration.

Enterprai
Fintech • Software • Financial Services
London
15 Employees

Enterprai is the first deep tech company to organize, clean, and extract informative signals from post trade data for Interest Rates Derivatives, Inflation Swaps and Foreign Exchange Derivatives which in result allow for being better informed. Enterprai engineers new and novel features from the raw data, and show how they can complement trading signals and improve understanding of market risk...

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Enterprai
Aventur
Fintech • Payments • Financial Services
London
19 Employees

Aventur is an award-winning, high growth FinTech business bringing an unprecedented approach to managing personal finance. Launched in early 2021 we’ve already been trusted with over £150m of client investment, makes us one of the fastest-growing FinTechs in the UK. With over 40 years of industry experience, our team includes some well-respected experts in the industry, and we are on...

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Aventur
GoForma
Financial Services
Award-winning accountants in London providing expert accounting services for businesses and individuals.

GoForma is a trusted team of accountants in London, helping contractors, freelancers, sole traders, self-employed individuals, and small businesses manage their finances with confidence. As an award-winning accounting firm, we deliver expert, tailored services that make accounting simple, accurate, and stress-free. Our experienced London accountants specialise in everything from tax preparation, VAT registration, and payroll management to bookkeeping, confirmation statements, and...

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GoForma
Causal
Fintech • Productivity • Software • Analytics • Business Intelligence
2 Offices
21 Employees
14 Benefits
Causal is an all-in-one tool for performing calculations, visualising data, and communicating with numbers.

Causal is an all-in-one tool for working with performing calculations, visualising data, and communicating with numbers. Causal lets anyone build sophisticated models, connect to live data, and present beautiful visuals in interactive dashboards. We're building a horizontal product that can be used by all teams in companies, including finance (financial modelling, business planning), marketing (ads forecasting), sales (pipeline forecasting, ROI...

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Causal
Galytix
Artificial Intelligence • Analytics
London
128 Employees

Galytix is a high growth AI-driven FinTech firm specialising in intelligent data analytics for corporate banks and global insurers. We deploy integrated data ecosystems for global financial players delivering Early Warning Signals (EWS) and advanced predictive analytics. Galytix was founded in 2015 to build a Smart Data Analytics platform that enables risk professionals to make smarter, faster and more informed...

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Galytix
Cardonet IT Support and Technology Services
Information Technology • Software
2 Offices
55 Employees

We make IT happen. Cardonet provide 24x7x365 IT support and services for dynamic businesses. We know you rely on technology every day to make decisions and protect your revenue, and it’s our mission to exceed your expectations of what an IT company can do for you. We consistently average an industry leading 98% customer satisfaction rating. Cardonet is the only IT...

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Cardonet IT Support and Technology Services
Accurx
Healthtech • Software
London
254 Employees
8 Benefits

Accurx is where conversations happen with and about patients. Through one, easy-to-use platform, we help everyone involved in a patient’s care to communicate and collaborate. Whether you’re a patient or a healthcare professional, Accurx lets you connect seamlessly with the people you need to. We believe that healthcare runs on conversations - conversations in GP practices, on hospital wards, over the...

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Accurx
Refinitiv
Artificial Intelligence • Machine Learning
London
7,131 Employees

Refinitiv, an LSEG (London Stock Exchange Group) business, is one of the world’s largest providers of financial markets data and infrastructure. With $6.25 billion in revenue, over 40,000 customers and 400,000 end users across 190 countries, Refinitiv is powering participants across the global financial marketplace. We provide information, insights, and technology that enable customers to execute critical investing, trading and...

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Refinitiv
Bluegrass
Information Technology • Consulting
2 Offices
40 Employees

Founded over 25 years ago, we are an independent digital solutions company that design and build products and platforms for ambitious brands. Our mission is to help our clients drive business growth using data-led user experiences, innovation and technology built to scale. - We use the latest cloud technologies, predominately Azure Cloud Platform and are Microsoft Gold Partners - We apply...

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Bluegrass
Nephila Advisors LLC
Angel or VC Firm
3 Offices
49 Employees
1 Benefits

In 2010 Nephila Advisors LLC was established, predominantly to assist Nephila Capital Ltd with investor relations, develop strategic trading relationships and business development in the United States. Nephila Capital Ltd is a Bermuda based investment manager specializing in reinsurance risk. Nephila offers a broad range of investment products focusing on instruments such as insurance-linked securities, catastrophe bonds, insurance swaps, and...

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Nephila Advisors LLC

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