What technologies does Callas Management Consultants B.V. use?

Callas Management Consultants B.V. uses Outlook, Microsoft Office 365, Apache, Mobile Friendly, Google Tag Manager. View their full technology stack — including all 15 detected tools — on StackWho.

Who is the CEO and Partner of Callas Management Consultants B.V.?

Johan Geerarts is the CEO and Partner at Callas Management Consultants B.V.. Get verified contact information on StackWho.

Where is Callas Management Consultants B.V. located?

Callas Management Consultants B.V. is based in Reeuwijk-Brug, Zuid-Holland, Netherlands.

Callas Management Consultants B.V.

callas.nl

information technology & services

callas.nl

Reeuwijk-Brug, Zuid-Holland, Netherlands

1-10 employees

LinkedIn Profile

About Callas Management Consultants B.V.

it services & it consulting, construction & real estate, network configuration, operational efficiency, operationele systemen voor tunnels, beheersystemen voor verkeersinfrastructuur, remote network management, system integration, projectcontrole, marktkennis in openbare aanbestedingen, netwerkconfiguratie, network security, consulting, data transmission networks, netwerkcertificering, conform iso en nen normen, onderhoud op afstand, verkeerscentrale noord west nederland, gecertificeerd in cisco

Callas Management Consultants B.V.'s Tech Stack

Decision Makers at Callas Management Consultants B.V.

1 contact

Johan Geerarts

CEO and Partner

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15 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

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Callas Management Consultants B.V.'s Position in the StackWho Database

• Callas Management Consultants B.V. is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 864 companies in Zuid-Holland are in the StackWho database.
• 97,391 information technology & services companies are in the 1-10 employee range (same size as Callas Management Consultants B.V.).

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 Callas Management Consultants B.V. use?

Callas Management Consultants B.V. uses Outlook, Microsoft Office 365, Apache, Mobile Friendly, Google Tag Manager, Bootstrap Framework, and 9 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Callas Management Consultants B.V.?

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

What industry is Callas Management Consultants B.V. in?

Callas Management Consultants B.V. operates in the information technology & services industry, headquartered in Reeuwijk-Brug, Zuid-Holland, Netherlands. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Callas Management Consultants B.V.'s contact data?

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