What technologies does Enterprise Open Systems use?

Enterprise Open Systems uses Outlook, Apache, WordPress.org, Mobile Friendly, reCAPTCHA. View their full technology stack — including all 8 detected tools — on StackWho.

Who is the CEO of Enterprise Open Systems?

Carsten Reffgen is the CEO at Enterprise Open Systems. Get verified contact information on StackWho.

Where is Enterprise Open Systems located?

Enterprise Open Systems is based in Bonn, North Rhine-Westphalia, Germany.

Enterprise Open Systems

eosgmbh.com

computer & network security

eosgmbh.com

Bonn, North Rhine-Westphalia, Germany

1-10 employees

LinkedIn Profile

About Enterprise Open Systems

risk, it infrastructure, c5, isms, cyber security, disaster recovery, security, bait, compliance, iso27001, vait, cloud computing, governance, information technology & services, computer & network security, enterprise software, enterprises, computer software, b2b

Enterprise Open Systems's Tech Stack

Decision Makers at Enterprise Open Systems

1 contact

Carsten Reffgen

CEO

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8 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

Enterprise Open Systems's Position in the StackWho Database

• Enterprise Open Systems is 1 of 4,889 computer & network security companies tracked in StackWho.
• 4,875 computer & network security companies in our database have verified decision-maker emails (100% of the cohort).
• 3,954 companies in North Rhine-Westphalia are in the StackWho database.
• 2,068 computer & network security companies are in the 1-10 employee range (same size as Enterprise Open Systems).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Enterprise Open Systems use?

Enterprise Open Systems uses Outlook, Apache, WordPress.org, Mobile Friendly, reCAPTCHA, Bootstrap Framework, and 2 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Enterprise Open Systems?

StackWho has verified email addresses for 1 decision maker at Enterprise Open Systems. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Enterprise Open Systems directly for sales, recruiting, or partnerships.

What industry is Enterprise Open Systems in?

Enterprise Open Systems operates in the computer & network security industry, headquartered in Bonn, North Rhine-Westphalia, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Enterprise Open Systems's contact data?

Yes. StackWho Pro members can export decision maker contact data for Enterprise Open Systems and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.