These Madrid-based companies primarily operate in IT services, consulting, and outsourcing, with a notable presence of large firms. Atento and Konecta are significant players in customer relationship management and business process outsourcing. Indra Group is a multinational providing defense, space, and IT solutions, while NTT DATA Europe & Latam offers global IT services. KPMG España provides professional audit, tax, and advisory services. Job&Talent operates a technology-powered marketplace connecting workers with companies.
A clear pattern among these companies is their strong focus on technology and digital transformation, with many leveraging AI. Several firms, including Atento, Konecta, and GSS, specialize in outsourcing and customer experience. There's also a concentration of companies providing IT consulting and services, such as NTT DATA Europe & Latam and Bluetab, an IBM Company, which assists with data readiness and GenAI implementation.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Atentoatento.com
Leading provider of CRM and BPO services in Latin America and globally, serving multinational corporations in various industries through multiple channels |
154,000 | |||
| 2 |
Konectakonecta.com
Global provider of customer management outsourcing, offering acquisition, retention, support, and collections across multiple industries with advanced digital technologies. |
56,399 | |||
| 3 |
Indra Groupindragroup.com
Leading multinational providing defense, space, air traffic management, and mobility solutions alongside information technology services, artificial intelligence, cybersecurity, and advanced digital transformation projects. |
39,308 | |||
| 4 |
NTT DATA Europe & Latamnttdata.com
Global IT services provider transforming clients through consulting, solutions, and managed services to enable a confident move into the digital future |
31,932 | |||
| 5 |
Novanovatalent.com
Global community connecting top talent with opportunities, offering rigorous screening for high-potential individuals, B2B services for top clients, and launching B2C premium services |
6,899 | |||
| 6 |
KPMG Españakpmg.com
Professional services firm providing audit, tax, legal, financial, and business advisory with global expertise and local market knowledge. |
5,523 | |||
| 7 |
GSS (Global Sales Solutions)covisian.com
A tech company offering products, services, and technologies for customer experience enhancement through innovation, customer care, and seamless interactions |
4,768 | |||
| 8 |
Job&Talentjobandtalent.com
A technology-powered marketplace connecting workers with companies for reliable, flexible work opportunities, achieving impressive placements and revenue growth Expanding globally |
3,972 | |||
| 9 |
Abaiabaigroup.com
A Spanish company specializing in customer relationship management through process outsourcing and digital transformation, using innovative technology solutions and AI |
2,805 | |||
| 10 |
Servinformservinform.es
Providing customized technology solutions including RPA and AI to optimize resources, reduce time, and increase benefits across multiple industries. |
2,718 | |||
| 11 |
Atento Españaatento.com
A leading CRM/BPO service provider in Latin America with a global presence, offering outsourcing services to top multinational companies worldwide |
1,939 | |||
| 12 |
Zelenzazelenza.com
Company offers integrated ICT services, Telco network engineering, defense and security solutions, and customer experience. It helps businesses face digital challenges. |
1,332 | |||
| 13 |
Bluetab, an IBM Companybluetab.net
Support organizations in EMEA and America with data readiness, scalable data preparation, and GenAI implementation for data-driven culture. |
1,036 | |||
| 14 |
Grupo BCgrupobc.com
A leader in outsourcing banking processes, offering secure and efficient solutions to financial institutions in Europe and Latin America through various services |
981 | |||
| 15 | 902 | ||||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
MADISON MKmadisonmk.com
MADISON MK provides commercial and marketing services to enhance customer loyalty, increase interactions, and drive profitability through innovative strategies and actions |
870 | |||
| 17 |
MTP Métodos y Tecnologíamtp.es
Specialized consultancy providing Software Quality Assurance services to improve costs, deadlines, and quality of software products for Telecom, Banking, Insurance, Utilities, and Public Sector |
749 | |||
| 18 |
IQVIA Spainiqvia.com
Accelerating innovation in healthcare, improving drug development, ensuring product quality and safety, enhancing commercial efficacy, providing proper treatments to patients, and optimizing healthcare delivery |
726 | |||
| 19 |
Twenixtwenix.com
Twenix provides personalized, simple, and fun English learning for professionals in companies, combining technology and education to build confidence and break language barriers |
663 | |||
| 20 |
Fujitsu Spainfujitsu.com
With over 40 years in the Spanish market, the organization provides tailored technology solutions to various sectors, offering expertise in areas such as healthcare, banking, and justice |
623 | |||
| 21 | 505 | ||||
| 22 |
Lefebvrelefebvre.es
Leading provider of legal information, practical tools, and innovative legaltech solutions supporting lawyers, companies, and advisers in Spain. |
495 | |||
| 23 |
ifeelifeelonline.com
A holistic solution using data for employees' mental well-being globally, offering support, self-care tools, chat support, and online therapy |
450 | |||
| 24 |
Be Call Groupbecallgroup.com
A Spanish company providing comprehensive communication solutions through outsourcing, BPO services, and Contact Center management for various sectors nationally and internationally |
449 | |||
| 25 |
Bosch Españagrupo-bosch.es
Provides global technology and services in mobility, industrial technology, consumer goods, and energy/building, focusing on IoT and AI solutions for connected living. |
430 | |||
| 26 |
Open Digital Servicesopendigitalservices.com
Creation and scaling of reusable banking platforms to support digital expansion and retail innovation for international financial institutions across multiple global markets. |
400 | |||
| 27 |
METRICAmetrica.es
Spanish expert in IT & telecommunications, providing global solutions & top-quality technological products/services, specializing in systems development, professional services, & consultancy across various business areas |
384 | |||
| 28 | 370 | ||||
| 29 |
Globant GUTglobant.com
Creative, marketing, and digital media studio using AI and technology to enhance brand identities, focusing on innovation and empowerment |
354 | |||
| 30 |
Panel Sistemas Informaticospanel.es
Specializing in software development and IT services, we guide companies through digital transformation with value-added services, emphasizing innovation, quality, and teamwork |
351 | |||
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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 Nov 12, 2026.
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