| # | Company | Employees |
|---|---|---|
| 1 |
FUJITSUglobal.fujitsu
Leading global information and communication technology company, offering technology products, solutions, and services, connecting people, technology, and ideas for a sustainable world. |
124,000 |
| 2 |
ANY Companyany.company
Connect, promote, and find partners with a focus on building stronger connections and faster growth in the global marketplace Tailored solutions for businesses |
93,110 |
| 3 | 32,618 | |
| 4 |
Capitacapita.com
A leading provider of business services using data, technology, and people to simplify connections between governments, citizens, businesses, and customers |
25,581 |
| 5 |
VOISvoiscentre.com
Global strategic arm of Vodafone, creating value and efficiency across 28 countries through talent, technology, and transformation for business outcomes |
20,863 |
| 6 |
Computacentercomputacenter.com
A leading technology and services provider, trusted by large organizations, helping customers manage and transform their technology infrastructure for digital transformation |
20,070 |
| 7 |
Iron Mountain EMEAironmountain.co.uk
Global leader in storage and information management services with a vast network of facilities worldwide, offering solutions for records, data, and document management |
15,148 |
| 8 |
Cloud Consultingccltng.com
Oversees national education policies, youth programs, and administration to support learning and development across France. |
14,588 |
| 9 |
Independent Consultantchasedimond.com
Provides expert advice and specialized services to various clients on a contract basis, operating independently without affiliation to a larger firm. |
12,534 |
| 10 |
Canon EMEAcanon-europe.com
A leading imaging company with a focus on innovation, sustainability, and enriching lives and businesses through a wide range of imaging products and solutions |
11,707 |
| 11 |
HCL Technologies Ltdhcltech.com
Connecting end users with necessary applications and information for optimal job performance, specializing in implementing flexible working solutions at a strategic level |
9,863 |
| 12 |
Freelance, Self Employmentgoogle.com
A specialized team of developers and designers working on challenging projects, utilizing Vuejs, Laravel, Tilda, graphic design, illustration, and UI/UX |
9,715 |
| 13 |
Endavaendava.com
The company leverages technology and expertise to drive innovation and transform businesses with customized digital solutions across industries |
9,559 |
| 14 |
Cloud Security Providergudens.com
Consulting services providing expert advice and assistance in various fields to help businesses achieve their goals and succeed |
9,330 |
| 15 | 8,687 | |
| 16 |
Mastekmastek.com
Enterprise digital and cloud transformation partner delivering solutions in digital experience, cloud, data, automation, AI, and managed services globally. |
6,396 |
| 17 |
Qualitestquality-ai.com
Global leader in AI-powered Quality Engineering services, specializing in superior customer experience, accelerated release velocity, and tailored solutions for various industries |
6,088 |
| 18 |
Photonphoton.com
A leading digital agency working with Fortune 100 companies, integrating strategy consulting, creative design, and technology to drive digital initiatives at scale |
5,867 |
| 19 |
Private Companypsypr.com
The company specializes in providing sales-focused solutions and creative ideas for organizations in need of strategic guidance |
5,676 |
| 20 |
Computer Futurescomputerfutures.com
A global STEM recruitment company connecting businesses with highly skilled IT talent for over 30 years through specialized IT market expertise |
5,349 |
| 21 |
Logicalislogicalis.com
A global technology service provider helping organizations succeed in a digital-first world through cloud, connectivity, collaboration, and security solutions |
4,868 |
| 22 |
GLORYglory-global.com
Provide solutions for retail, hospitality, and banking to automate routine tasks, empower staff, and improve customer experience worldwide. |
4,697 |
| 23 |
FDM Groupfdmgroup.com
global business and technology consultancy powering tech innovation, launching careers, partnering with companies, emphasizing diversity and inclusivity worldwide |
4,132 |
| 24 |
Accenture UK & Irelandaccenture.com
A global professional services company leveraging technology, innovation, and industry expertise to drive digital transformation and deliver tangible outcomes for clients worldwide |
4,101 |
| 25 |
StartUPkarimin-ami-yaniyor-sukru-konca-com.l.ink
The London Startup Network organizes events for founders, entrepreneurs, and investors, featuring guest speakers, workshops, roundtables, and investor networking lunches |
4,049 |
| 26 |
Noventiqnoventiq.com
A global digital transformation and cybersecurity solutions provider connecting 80,000+ organizations, with a diverse portfolio and active M&A strategy for growth |
3,941 |
| 27 |
Abacusabacus-global.com
Providing industry-focused, technology-driven business transformation solutions through consulting, systems integration, and outsourcing to help clients lead their industries. |
3,703 |
| 28 |
Enterprise AIthehealthmarketing.com
Provides high-quality medical services in the comfort of clients' homes, tailored for recovery, chronic conditions, and daily assistance, offering affordability and convenience |
3,629 |
| 29 |
Infobipinfobip.com
Global leader in omnichannel engagement, providing messaging tools and solutions for customer engagement, authentication, and security with a strong focus on quality engineering |
3,501 |
| 30 |
Micro Focusopentext.com
Provides AI, analytics, application development, modernization, and digital operations technologies to support digital transformation and smarter work processes. |
3,383 |
| 31 |
Kainoskainos.com
Utilizing technology to solve customer problems, Kainos transforms businesses and improves lives through Digital Services and the Workday Practice globally |
3,317 |
| 32 |
Softcatsoftcat.com
A leading provider of IT infrastructure solutions to corporate and public sectors with a dedication to transformative solutions and customer excellence |
3,167 |
| 33 |
Accelyaw3.accelya.com
A global software provider for airlines, empowering over 200 airlines with innovative solutions to drive growth, enhance customer experience, and control retailing operations |
3,080 |
| 34 |
Claranetclaranet.com
A global technology services provider offering managed services, professional services, and training in Cloud, Networks, Cyber Security, and Workplace technologies since 1996 |
3,073 |
| 35 |
Ciklumciklum.com
Global digital solutions company providing tailored solutions for Fortune 500 and fast-growing organizations worldwide, leveraging emerging technologies for various clients |
2,972 |
| 36 |
PMCpmccommerce.com
PMC offers retail consulting, software engineering, and managed services to deliver high-quality IT solutions for retail and B2C clients |
2,689 |
| 37 |
NCC Groupnccgroupplc.com
Cybersecurity firm advising global organizations on protecting data and systems, with expertise in assessing, mitigating, and responding to cyber threats Offices worldwide |
2,617 |
| 38 | 2,522 | |
| 39 |
NTT Global Data Centersservices.global.ntt
Global Data Centers, now a part of NTT DATA, offers neutral access to cloud providers, internet exchanges, and telecom providers with reliable data centers worldwide |
2,449 |
| 40 | 2,384 | |
| 41 |
Qiskit Developerorg.uk
Qiskit Developer offers tutorials, online courses, cloud-based quantum computing access, development tools, and consulting services to help developers build quantum applications efficiently |
2,302 |
| 42 |
Hinduja Global Solutions Ltdhgs.com
An IT and services company located in the UK, providing solutions for various industries with a focus on information technology |
2,296 |
| 43 |
FD Technologiesfdtechnologies.com
A data-driven group that offers technology, services in capital markets, and predictive marketing solutions to drive organizations forward globally |
2,025 |
| 44 |
Info-Tech Research Groupinfotech.com
This company provides unbiased, highly relevant IT research and tools to help CIOs and IT leaders make strategic, informed decisions for their organizations |
1,964 |
| 45 |
SEOoutlook.office365.com
Leading provider of AI-powered SEO solutions to improve website rankings and visibility, driving more traffic, leads, and sales through advanced technology and user-friendly interface |
1,953 |
| 46 |
Ruby Developerorg.uk
A global network promoting Ruby programming, supporting community growth, organizing events, offering resources, mentoring new developers, and advocating for diversity and inclusion |
1,815 |
| 47 |
Entrepreneur GB
Provides comprehensive support and resources for entrepreneurs to start, grow, and manage their businesses effectively and sustainably. |
1,802 |
| 48 |
NashTechnashtechglobal.com
Expert teams delivering complex IT projects globally, solving business challenges with smart technology solutions and creating value. |
1,799 |
| 49 |
Ricoh UKricoh.co.uk
Provider of integrated digital services, print and imaging solutions supporting workplace digital transformation and optimizing business performance globally. |
1,798 |
| 50 |
EOS IT Solutionseosits.com
A family-run global technology company providing IT support services, innovative solutions, and international deployment for industry leaders in various domains worldwide |
1,733 |
| 51 |
NEC Software Solutionsnecsws.com
The company specializes in building software and services that promote safety, health, and connectivity for various organizations and government bodies worldwide |
1,721 |
| 52 | 1,667 | |
| 53 | 1,660 | |
| 54 |
CDS, an HPE companyhpecds.com
Delivers customer experience and services across HPE Edge-to-Cloud platforms, offering early career technical roles and professional development opportunities to aspiring talent. |
1,604 |
| 55 |
Looking for Opportunitiesorg.uk
A company seeking opportunities and driven by entrepreneurship, dedicated to pursuing new ventures and growth |
1,558 |
| 56 |
Equal Expertsequalexperts.com
A global team of experienced consultants who help create leading digital products and services, focusing on data-driven decisions, user-centric design, and sustainable scaling |
1,491 |
| 57 |
Ricoh Europericoh-europe.com
Provider of document management, IT services, communications, printing, digital cameras, and industrial systems enabling smarter work environments. |
1,455 |
| 58 |
Freelance IT Servicesfreelancehubs.com
Global freelance recruiter community connecting professionals with job opportunities, offering services from sourcing to negotiating benefits for businesses and job seekers worldwide |
1,449 |
| 59 |
Key Page Mediakeypagemedia.com
Specializing in marketing strategy, website design, SEO, and business coaching for small businesses to boost customer numbers and sales |
1,436 |
| 60 |
Tribal Grouptribalgroup.com
The company offers cloud-based solutions to enhance the student experience and outcomes, supporting customers throughout the student lifecycle |
1,410 |
| 61 |
Connectweconnect.tech
Communication experts providing solutions in Contact Centre, Unified Communications, and Network Services, delivering digital transformation through bespoke strategies for businesses globally |
1,387 |
| 62 |
K2 Partnering Solutionsk2partnering.com
Providing consulting, recruitment, training, and platform solutions to support companies in enterprise applications, AI, and cloud technology projects. |
1,383 |
| 63 |
Daisy Grouplinkedin.com
A leading provider of communications, IT, and cloud services in the UK and internationally, offering solutions for businesses of all sizes |
1,368 |
| 64 | 1,358 | |
| 65 |
Advania UKadvania.co.uk
Specializes in Microsoft technologies like AI, Azure, and Dynamics 365 to deliver transformational IT services and sustainable value for customers. |
1,351 |
| 66 |
Godel Technologies Europegodeltech.com
A leading technology partner in Europe, Godel offers agile software engineering services to bridge UK tech skills gap for clients |
1,330 |
| 67 |
CDW UKuk.cdw.com
Technology company offering full-stack solutions and services, with deep industry expertise to drive innovation and help organizations achieve their goals |
1,317 |
| 68 |
Ordnance Surveyordnancesurvey.co.uk
Provide location data and mapping solutions to governments, businesses, and individuals to enhance safety, security, and decision-making. |
1,296 |
| 69 |
The Cyber Security Hubβ’linktr.ee
The company focuses on addressing and increasing conversations in cyber security to defend against cyber threats to critical infrastructure and businesses |
1,275 |
| 70 |
Cloud Solution Providerartbees.co.uk
Cloud migration specialists offering services from assessment to maintenance, focused on delivering Microsoft Azure solutions tailored to client needs for seamless cloud transition |
1,230 |
| 71 |
First Technology UKfirst-technology.co.uk
A group of companies providing IT products and services to help organizations navigate technology challenges and achieve their business outcomes |
1,224 |
| 72 |
Tech Unlimitedtechunlimited.co
Specialist IT distributor in the UK, offering protection, accessories, and add-ons for all devices in education and B2B sectors Known for flexibility and quick decision-making |
1,189 |
| 73 | 1,173 | |
| 74 |
LTCltcinnovates.com
Specializing in language technology, localization, and translation services, we help global enterprises accelerate time to market, expand brands, and reduce operational costs |
1,138 |
| 75 |
NSC Globalnscglobal.com
This company simplifies global business with expert teams delivering IT services to clients in over 180 countries, flexibly adapting to their needs |
1,070 |
| 76 | 1,065 | |
| 77 |
Invenioinvenio-solutions.com
Specialises in SAP and MuleSoft solutions, transforming public and private sector organisations with consulting, implementation, and advanced technology applications worldwide. |
1,061 |
| 78 |
Reed Business Informationrisk.lexisnexis.com
Provides innovative data analytics, decision tools, and management services across industries to reduce risk, ensure compliance, and improve operations. |
1,061 |
| 79 | 1,044 | |
| 80 |
SSP Limitedssp-worldwide.com
Global leader in providing technology systems and software for the insurance industry, helping brokers, insurers, and MGAs operate more efficiently with innovative solutions |
1,042 |
| 81 |
Agencyagency.org.uk
The company supports and enhances digital marketing industry intelligence, expertise, reach, and effectiveness through online platforms, consultancy, events, and training |
1,032 |
| 82 |
Autocadmarketizon.com
A global community dedicated to empowering AutoCAD users through collaboration, resources, events, mentorship, and funding for innovative applications |
1,017 |
| 83 | 1,015 | |
| 84 |
The Adaptavist Grouptheadaptavistgroup.com
A software services company specializing in providing solutions for businesses undergoing digital transformation and adaptation using technology and expertise |
1,005 |
| 85 |
ANY NEW COMPANY LTD
An IT services company based in Oadby, UK, specializing in providing innovative technology solutions and services to their clients |
994 |
| 86 |
FDS, A DXC Technology Companydxcfds.com
FDS enables DXC Delivery in 9 European countries by providing outstanding IT support, customer-specific services, and digital transformation through robust IT solutions |
988 |
| 87 |
AND Digitaland.digital
The company accelerates digital capabilities for ambitious companies by building impactful products and high performing teams through technical craft and talent growth |
986 |
| 88 | 975 | |
| 89 | 971 | |
| 90 |
Kubrick Groupkubrickgroup.com
Deliver data and AI solutions reducing costs, enhancing risk resilience, uncovering revenue, and training diverse specialists for technology partnerships. |
942 |
| 91 |
Node4node4.co.uk
Node4 specializes in providing a wide range of tech solutions and managed services to help organizations achieve their strategic goals through digital transformation |
933 |
| 92 |
Canon (UK)canon.co.uk
Canon UK offers innovative Commercial Print and technology solutions to transform businesses, increase productivity, simplify workflows, reduce costs, and enhance document security |
929 |
| 93 | 912 | |
| 94 |
Dimension Data UKIservices.global.ntt
This company helps organizations achieve their goals through digital infrastructure, hybrid cloud, workspaces, and cybersecurity, empowering businesses to excel and grow with ICT solutions |
895 |
| 95 |
BCS, The Chartered Institute for ITbcs.org
The company offers IT education, advocate ethical practice, raise professional standards, support career progression, and provide digital skills certifications and qualifications |
885 |
| 96 |
Bell Integrationbell-integration.com
Provides technology consultation and managed services enabling organizations to transform IT capabilities, enhancing productivity, and cost efficiency. Specializes in IT services and infrastructure. |
885 |
| 97 |
Bytes Software Servicesbytes.co.uk
Provider of IT solutions including cloud, security, AI, data management, licensing, training, deployment, and managed services for diverse sectors. |
868 |
| 98 |
CTSgoeco.s-erp.co.uk
CTS provides tailored IT services to law firms and barristersβ chambers, specializing in maximizing user experience and operational efficiency within the legal sector |
862 |
| 99 |
GoCardlessgocardless.com
Facilitating seamless and efficient payment collections directly from customers' bank accounts, eliminating late payments, chasing customers, and expensive fees for businesses worldwide |
856 |
| 100 |
Cobraamazingsupport.co.uk
We successfully completed a company acquisition in June 2012 resulting in a re-brand to Amazing Support, providing quality business solutions |
831 |
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 9, 2026.
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