Insights

Integrated ICT leadership Zelenza positions itself as a long-standing leader in integrated ICT services, networking, defense, security, and customer experience. This breadth suggests cross-selling opportunities across large Spanish enterprises and public sector entities seeking end-to-end digital transformation and robust security.

Large client base With over 2,700 employees and 1,001-5,000 personnel range, Zelenza has scale to handle complex, multi-site engagements. Target sales can focus on enterprise accounts requiring managed services, network engineering, and large-scale digital initiatives.

Healthcare digital solutions Recent launch of Persei vivarium, an integrated digital solution for oncology patient care and treatment monitoring, opens up a new vertical in healthtech. Consider partnerships or pilots with hospitals, clinics, and pharma/biotech firms aiming to improve patient outcomes and therapy adherence.

Strategic partnerships Active and recent partnerships (Gintel, Thales collaboration history, and policy-adjacent defense initiatives) indicate a channel-friendly approach. Leverage these relationships to co-sell ICT services, border security tech, and large-scale integration projects with government and enterprise customers.

Public sector and compliance fit Experience delivering border control and defense-related ICT projects under government programs signals alignment with regulated environments and complex procurement. Position Zelenza for public-sector digitization programs, secure communications, and compliance-heavy modernization initiatives.

Zelenza Tech Stack

Zelenza uses 8 technology products and services including Looker, Power BI, WordPress, and more. Explore Zelenza's tech stack below.

Media & News

Zelenza's Email Address Formats

Zelenza uses at least 3 email formats:
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.

How much revenue does Zelenza generate?

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As of August 2026, Zelenza's annual revenue is estimated to be $50M - $100M.

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 August 2026, Zelenza has approximately 1.3K employees across 1 continents, including Europe. Key team members include Head Of It Talent Acquisition Department: S. H. M., Ciso: C. C. and 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 Looker, Power BI, WordPress, Zoho, Google BigQuery, Microsoft Dynamics, Brevo and Cisco.

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

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