What technologies does one3 Holding GmbH use?

one3 Holding GmbH uses Outlook, Microsoft Office 365, Mobile Friendly, Apache. View their full technology stack — including all 4 detected tools — on StackWho.

Who is the Co-Founder and Co-CEO of one3 Holding GmbH?

Markus Weltz is the Co-Founder and Co-CEO at one3 Holding GmbH. Get verified contact information on StackWho.

Who is the Co-Founder & Co-CEO of one3 Holding GmbH?

Marc Arnold is the Co-Founder & Co-CEO at one3 Holding GmbH. Get verified contact information on StackWho.

Where is one3 Holding GmbH located?

one3 Holding GmbH is based in Munich, Bavaria, Germany.

one3 Holding GmbH

Q: What industry is one3 Holding GmbH in?

one3 Holding GmbH operates in the construction industry.

one3.de

construction

one3.de

Munich, Bavaria, Germany

1-10 employees

LinkedIn Profile

About one3 Holding GmbH

emobility, architecture, evcharging, amenities, site planning, smart store solutions, cpo, retail, site construction, interior design, charging infrastructure, hpc, retail technology, truck charging, charging, enterprise software, enterprises, computer software, information technology & services, b2b

one3 Holding GmbH's Tech Stack

Decision Makers at one3 Holding GmbH

2 contacts

Markus Weltz

Co-Founder and Co-CEO

m***@one3.de Sign up to view

Marc Arnold

Co-Founder & Co-CEO

m***@one3.de Sign up to view

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4 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

one3 Holding GmbH uses Outlook, Microsoft Office 365, Mobile Friendly among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

one3 Holding GmbH's Position in the StackWho Database

• one3 Holding GmbH is 1 of 8,104 construction companies tracked in StackWho.
• 8,059 construction companies in our database have verified decision-maker emails (99% of the cohort).
• 5,612 companies in Bavaria are in the StackWho database.
• 2,775 construction companies are in the 1-10 employee range (same size as one3 Holding 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 one3 Holding GmbH use?

one3 Holding GmbH uses Outlook, Microsoft Office 365, Mobile Friendly, Apache. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at one3 Holding GmbH?

StackWho has verified email addresses for 2 decision makers at one3 Holding GmbH. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach one3 Holding GmbH directly for sales, recruiting, or partnerships.

What industry is one3 Holding GmbH in?

one3 Holding GmbH operates in the construction industry, headquartered in Munich, Bavaria, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export one3 Holding GmbH's contact data?

Yes. StackWho Pro members can export decision maker contact data for one3 Holding GmbH and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.