What technologies does tech123 GmbH use?

tech123 GmbH uses Microsoft Office 365, Render. View their full technology stack — including all 2 detected tools — on StackWho.

Who is the CEO & Founder of tech123 GmbH?

Stephan Mitterer is the CEO & Founder at tech123 GmbH. Get verified contact information on StackWho.

Where is tech123 GmbH located?

tech123 GmbH is based in Vienna, Vienna, Austria.

tech123 GmbH

aboutmedia.at

marketing & advertising

aboutmedia.at

Vienna, Vienna, Austria

11-50 employees

LinkedIn Profile

About tech123 GmbH

social media marketing, display advertising, audience insights, schulungen, online marketing, location based advertising, real time advertising, big data, werbemittelkreation, technologieentwicklung, advertising services, consulting, facebook ads, market research, digital advertising, impact measurement, location-based advertising, linkedin advertising, green marketing, digital communication

tech123 GmbH's Tech Stack

Email

Microsoft Office 365

Cloud

Render

Decision Makers at tech123 GmbH

1 contact

Stephan Mitterer

CEO & Founder

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2 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

tech123 GmbH uses Microsoft Office 365, Render among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

tech123 GmbH's Position in the StackWho Database

• tech123 GmbH is 1 of 80,546 marketing & advertising companies tracked in StackWho.
• 80,503 marketing & advertising companies in our database have verified decision-maker emails (100% of the cohort).
• 2,077 companies in Vienna are in the StackWho database.
• 21,907 marketing & advertising companies are in the 11-50 employee range (same size as tech123 GmbH).

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 tech123 GmbH use?

tech123 GmbH uses Microsoft Office 365, Render. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at tech123 GmbH?

StackWho has verified email addresses for 1 decision maker at tech123 GmbH. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach tech123 GmbH directly for sales, recruiting, or partnerships.

What industry is tech123 GmbH in?

tech123 GmbH operates in the marketing & advertising industry, headquartered in Vienna, Vienna, Austria. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export tech123 GmbH's contact data?

Yes. StackWho Pro members can export decision maker contact data for tech123 GmbH and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.