Insights

Strategic Partnerships Zelenza has established multi-year collaborations with notable technology and defense players (Thales, Gintel, Olos Tecnologia), and continues to expand via new partnerships, presenting ongoing cross-sell and co-marketing opportunities to enhance telecommunications, security, and customer experience offerings.

Defense & Security Focus With experience in Defense and Security systems and involvement in border control projects, there is potential to broaden to public sector and national security clients needing integrated ICT, network engineering, and secure communications capabilities.

Scale & Reach A sizable organization of over 2,700 employees serving large enterprises and Spanish public bodies signals capacity to handle complex, large-scale ICT and networking projects, enabling upsell of managed services, systems integration, and end-to-end digital transformation engagements.

Digital Experience Emphasis on customer experience and integrated ICT services suggests opportunities to offer CX-driven analytics, omnichannel contact solutions, and performance optimization for clients seeking improved customer journeys and operational efficiency.

Geographic & Industry Lead Based near Madrid with a long-standing position in Spain’s market and a $50–$100M revenue band, Zelenza is well-placed to pursue expansion in adjacent regions and sectors, including regulated industries, with bundled IT services, networking, and security foundations.

Similar companies to Zelenza

Zelenza Tech Stack

Zelenza uses 8 technology products and services including RSS, MySQL, Microsoft Excel, and more. Explore Zelenza's tech stack below.

  • RSS
    Content Management System
  • MySQL
    Database
  • Microsoft Excel
    Editors
  • GSAP
    Javascript Frameworks
  • imagesLoaded
    Javascript Libraries
  • Office 365
    Office Suites
  • Yoast SEO
    Search Engines
  • Polylang
    Web Platform Extensions

Media & News

Zelenza's Email Address Formats

Zelenza uses at least 1 format(s):
Zelenza Email FormatsExamplePercentage
First@zelenza.comJohn@zelenza.com
68%
First.Last@zelenza.comJohn.Doe@zelenza.com
31%
FLast@zelenza.comJDoe@zelenza.com
1%

Frequently Asked Questions

What is Zelenza's official website and social media links?

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Zelenza's official website is zelenza.com and has social profiles on LinkedIn.

What is Zelenza's NAICS code?

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Zelenza's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Zelenza have currently?

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As of July 2026, Zelenza has approximately 1.3K employees across 3 continents, including EuropeNorth AmericaSouth America. Key team members include Head Of It Talent Acquisition Department: S. H. M.Ciso: C. C.Iot M2m Vodafone Técnico N2: J. P. R.. Explore Zelenza's employee directory with LeadIQ.

What industry does Zelenza belong to?

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Zelenza operates in the IT Services and IT Consulting industry.

What technology does Zelenza use?

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Zelenza's tech stack includes RSSMySQLMicrosoft ExcelGSAPimagesLoadedOffice 365Yoast SEOPolylang.

What is Zelenza's email format?

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Zelenza's email format typically follows the pattern of First@zelenza.com. Find more Zelenza email formats with LeadIQ.

When was Zelenza founded?

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Zelenza was founded in 1984.
Zelenza logo

Zelenza

IT Services and IT ConsultingCommunity of Madrid, Spain1001-5000 Employees

Zelenza operates in IT services and IT consulting, offering integrated ICT capabilities, telecom network engineering, defense and security, and customer experience work. With more than four decades of activity, the company is based near Madrid in the Community of Madrid region, Spain. It employs a sizable workforce and serves large enterprises and government bodies across Spain.

The firm's business model centers on customers, aiming to create value, improve efficiency, and foster innovation in each phase of its activities. In 2025, Zelenza announced a partnership with Gintel AS, expanding collaboration to enhance business communications and experience for organizations.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1984
Employees
1001-5000

Section iconFunding & Financials

  • $50M$100M

    Zelenza's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Zelenza's revenue is estimated to be in the range of $50M$100M

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