21HAVN

21havn.de

Bremerhaven, Bremen, Germany

1-10 employees

LinkedIn Profile

About 21HAVN

filme, grafikdesign, webdesign, fotos, print, social media marketing, marketing services, systemintegration, web development, kundenakquise, content creation, seo, google ads, content-strategie für social media, kampagnensteuerung, digitale leadgenerierung, customer engagement, marketing-strategie, branding, webseiten-analyse und optimierung

21HAVN's Tech Stack

Decision Makers at 21HAVN

1 contact

Marvin Forner

Co-Founder

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11 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.

21HAVN's Position in the StackWho Database

• 21HAVN 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).
• 177 companies in Bremen are in the StackWho database.
• 56,565 marketing & advertising companies are in the 1-10 employee range (same size as 21HAVN).

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 21HAVN use?

21HAVN uses Facebook Custom Audiences, Facebook Widget, Facebook Login (Connect), Vimeo, Nginx, reCAPTCHA, and 5 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at 21HAVN?

StackWho has verified email addresses for 1 decision maker at 21HAVN. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach 21HAVN directly for sales, recruiting, or partnerships.

What industry is 21HAVN in?

21HAVN operates in the marketing & advertising industry, headquartered in Bremerhaven, Bremen, Germany. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export 21HAVN's contact data?

Yes. StackWho Pro members can export decision maker contact data for 21HAVN and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.