Insights

Healthcare Digital Zelenza has launched Persei vivarium, an integrated digital solution for oncology patient management that improves clinical monitoring and therapy adherence, signaling a potential entry point for healthcare clients seeking digital patient monitoring and outcomes optimization.

Security & Defense With a focus on defense and security in its services mix and a history of partnerships with government-related and security-oriented projects, there is opportunity to pursue public sector contracts and specialized cybersecurity/defense ICT initiatives.

Global ICT Capabilities Carrying over 40 years of experience and a workforce exceeding 2,700, Zelenza demonstrates scalability and broad IT services coverage, enabling cross-sell across network engineering, telecom, customer experience, and analytics to large enterprises.

Data & Analytics Tech stack includes Looker, Power BI, Google BigQuery and Microsoft Dynamics, indicating readiness for data modernization, dashboards, and analytics-led optimization opportunities in enterprise clients seeking better insight and agility.

Strategic Partnerships Recent and ongoing partnerships with telecom and technology providers (Gintel, Olos, Thales collaboration history) suggest a channel-friendly model with co-sell potential to expand market reach and accelerate deals in Europe.

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 October 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 October 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 Director Comercial / Head Of Key Accounts: V. L. T. 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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