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Top Tech Companies in London (7,383)

GFI Group
eCommerce
2 Offices
1,430 Employees
1 Benefits

GFI Group Inc. (NYSE: GFIG) is a leading intermediary in the global OTC and listed markets offering an array of sophisticated trading technologies and products to a broad range of financial market participants. More than 2,500 institutional clients benefit from GFI’s know-how and experience in operating electronic and hybrid markets for cash and derivative products across multiple asset classes, including...

GFI Group
IZEA
AdTech • Marketing Tech • Software
2 Offices
296 Employees
24 Benefits

IZEA is a marketing technology company providing software and professional services that enable brands to collaborate and transact with the full spectrum of today’s top social influencers and content creators. The company serves as a champion for the growing Creator Economy, enabling individuals to monetize their content, creativity, and influence. IZEA launched the industry’s first-ever influencer marketing platform in 2006...

IZEA
Level
Fintech • Payments • Financial Services
London
50 Employees

At Level, we believe our role is to make the route to financing legal costs the least stressful part of a challenging process. During the most pivotal, difficult and life-changing moments, it is vital to have the very best legal advice, support and expertise at hand. Assets are often held in just one party’s name, creating an imbalance in the...

Level
Diamond Logistics
Logistics • Transportation
Guildford
50 Employees

Diamond builds businesses on its one stop logistics platform, Despatchlab. With over 30 micro fulfilment centres around the UK we bring local, national fulfilment and delivery solutions to business - from SME's to national retailers. Shared Success is our founding principle – working in mutually beneficial partnerships to help our clients, network partners and team grow. Incorporating fulfilment, same day...

Diamond Logistics
annalise.ai
Healthtech
3 Offices
120 Employees

annalise.ai was formed through the unique partnership between Australia's largest medical imaging service provider, I-MED Radiology Network, and healthcare technology company, Harrison.ai. Annalise CXR is the company’s first comprehensive AI solution assisting clinicians to interpret chest x-ray studies by detecting 124 findings. the demo is now available at https://cxrdemo.annalise.ai. Annalise CXR is only available for purchase by healthcare institutions.

annalise.ai
RMP Enterprise
AdTech • Marketing Tech • Software
London
201 Employees

RMP Enterprise has a very important mission. We are experts in helping young people explore their career options and provide opportunities for employers to attract the best talent. With our innovative digital and offline products and services, we help organisations attract and recruit the best and brightest talent. Our portfolio includes: RateMyPlacement.co.uk Our flagship product launched in 2007, RateMyPlacement is the UK’s leading...

RMP Enterprise
X Corp.
Consumer Web • Information Technology • Social Media • Software
21 Offices
2,840 Employees
36 Benefits

Twitter, Inc. was an American social media company based in San Francisco, California, which operated and was named for its flagship social media network of the same name prior to its rebrand as X.

X Corp.
Puzzle
Artificial Intelligence • Software
Fully Remote
76 Employees

We love building accounting! Puzzle is modern accounting software for ambitious companies. ?? Don't let the financial future of your company keep you up at night - Puzzle is here to help. ?? We empower founders with the foresight they need to stay ahead with smart accounting software that integrates seamlessly into their business operations and offers real-time insights for an accurate...

Puzzle
Procure Ai
Software • Automation
London
15 Employees

We enable companies to run the world’s most intelligent procurement – human and artificial. Welcome to Augmented Procurement! More than 50% of today’s procurement tasks will be automated in the next 5 years, but companies face massive data gaps, hindering their path to automation. Leveraging the latest machine learning technology and proprietary data architecture our Augmented Procurement Platform provides value creation...

Procure Ai
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Linklaters
Information Technology • Legal Tech
10 Offices
7,300 Employees
7 Benefits

Linklaters is a leading global law firm, supporting and investing in the future of our clients wherever they do business. We combine legal expertise with a collaborative and innovative approach to help clients navigate constantly evolving markets and regulatory environments, pursuing opportunities and managing risk worldwide. http://www.linklaters.com Attorney Advertising: Prior results do not guarantee a similar outcome

Linklaters
Mystic AI
Artificial Intelligence • Software
London
16 Employees

Mystic AI is a fast growth, venture backed enterprise delivering solutions for managing machine learning (ML) in the enterprise and at the edge. We provide tailored solutions and expert guidance to companies looking to build and scale a robust machine learning infrastructure. Having developed and launched our flagship MLOps automation toolkit and cloud solution; Pipeline | Catalyst, we have first...

Mystic AI
LōD
Big Data • Information Technology • Database • Big Data Analytics
7 Offices
19 Employees
Empowering data centers with grid-aware energy intelligence, optimized for risks, costs, and compliance.

LōD is a grid-aware energy optimization platform designed for data centers to seamlessly and safely add flexibility to their operations. Our state-of-the-art, AI-powered analytics solution helps operators optimize performance, reduce energy costs, ensure compliance, and unlock new revenue through demand response and grid balancing programs.

LōD
Turtl
AdTech • Digital Media • Marketing Tech
2 Offices
107 Employees

In recent years, marketing teams have doubled down on digital content creation. And for good reason: consumers and buyers now expect information on products and services to be readily available online. But businesses are finding it increasingly difficult to engage audiences effectively, particularly with in-depth information that remains vital to doing business. That’s where Turtl comes in. Turtl is a data-driven...

Turtl
Kobalt Music
10 Offices
531 Employees
27 Benefits

Kobalt is one of the world’s largest, most innovative music companies, using technology to power creative freedom, transparency, ownership and control for artists, songwriters, publishers, and labels. As file-sharing wreaked havoc on the record industry, Kobalt took a bet on digital music and won. Founded in 2000 by Swedish entrepreneur Willard Ahdritz, the startup built a platform to maximize efficiency,...

Kobalt Music
ZeroAvia
Aerospace
5 Offices
154 Employees
14 Benefits

ZeroAvia's mission is a hydrogen-electric, zero-emission powertrain in every aircraft. From 19-seat regional trips to over 100-seat long-distance flights, ZeroAvia enables scalable, sustainable aviation by replacing conventional engines with hydrogen-electric powertrains. We are a team of passionate innovators dedicated to bringing safe, zero-emission flight to aviation, with locations in Kemble and London in the UK, and Hollister, California.

ZeroAvia
Worxwide Consulting
Business Intelligence • Consulting
2 Offices
37 Employees

Launched in 2014, Worxwide Consulting is a young and growing consulting company, specializes in helping businesses in Bid Management, Technical Writing, Product Design, Sales Automation, Salesforce, and Workflow automation through RPA and SharePoint. The teams are actively serving clients worldwide from offices in the U.S., U.K., and India. We aim to deliver Higher win rate, Cost Optimization, Time Savings and...

Worxwide Consulting
Scott Logic
Software
6 Offices
393 Employees
9 Benefits

At Scott Logic, we design and build software that transforms the performance of some of the world’s biggest and most demanding organisations. From capital markets and commodities to complex public services, our consultants combine innovation, experience and pragmatism to deliver measurable results with every project.

Scott Logic
Deel
Fintech • HR Tech • Payments • Financial Services
5 Offices
8,347 Employees
21 Benefits

Deel is the all-in-one Global People Platform that simplifies and streamlines every aspect of managing an international workforce—from culture and onboarding, to local payroll and compliance. Our industry-leading suite of HR tools, payroll solutions, mobility services, and compliance expertise makes it possible for companies of all sizes to scale globally with unmatched speed and flexibility. Today, Deel serves over 25,000+ companies...

Deel

Deel's Top Stability & Growth Strengths

Profitability: Management reports the company has been profitable since late 2023 and remained so through 2025. This indicates earnings resilience alongside scaling.

Strong Revenue Growth: Public disclosures cite rapid progression from hundreds of millions in ARR to surpassing a $1B run rate by 2025. Momentum across revenue run rate and customer scale suggests sustained top-line expansion.

Investor Backing & Capital Strength: The company completed a $300M Series E at a $17.3B valuation and a sizable secondary earlier in 2025. These transactions signal continued investor confidence and provide capital for expansion.

Mo
HR Tech • Software
London
252 Employees

Mo is a new kind of reward and recognition platform that makes it easy for busy managers to meaningfully recognise, engage and connect with their teams. Most recognition tools fail because they are focused on top-down recognition, are based only on transactional rewards and only benefit the highest performers with generic gift cards. This leaves the majority of your people...

Mo
ScreenCloud
Artificial Intelligence • Cloud • Hardware • Information Technology • Software
5 Offices
130 Employees
107 Benefits
Creating connected companies with screens that communicate!

ScreenCloud is a full-stack digital signage solution that provides hardware and software to run screens at scale, improving deployment, management and security. Get mission critical communication infront of the right people, from HQ to deskless and frontline teams.

ScreenCloud

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