CALCUSO GmbH

calcuso.de

Langenfeld, North Rhine-Westphalia, Germany

11-50 employees

LinkedIn Profile

About CALCUSO GmbH

technology, information & internet, classroom supplies, financial calculators, digitization tablets, stem educational products, school materials, educational supplies, school project materials, office supplies, science calculators, e-commerce, consulting, services, student materials, training workshops for teachers, school supplies online, educational technology, art supplies, retail trade

CALCUSO GmbH's Tech Stack

Decision Makers at CALCUSO GmbH

1 contact

Alexander Giersz

CEO & Founder

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14 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

React-based front-ends indicate a modern web engineering stack. Developer tools, component libraries, testing frameworks, and design systems are relevant sales angles.

CALCUSO GmbH's Position in the StackWho Database

• CALCUSO GmbH 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).
• 3,954 companies in North Rhine-Westphalia are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as CALCUSO GmbH).

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

Frequently Asked Questions

What technology does CALCUSO GmbH use?

CALCUSO GmbH uses Cloudflare DNS, Amazon SES, SendInBlue, Gmail, Google Apps, MailChimp SPF, and 8 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at CALCUSO GmbH?

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

What industry is CALCUSO GmbH in?

CALCUSO GmbH operates in the information technology & services industry, headquartered in Langenfeld, North Rhine-Westphalia, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export CALCUSO GmbH's contact data?

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