Plan 21

plan21.hr

architecture & planning

plan21.hr

Rijeka, Primorje-Gorski Kotar County, Croatia

1-10 employees

LinkedIn Profile

About Plan 21

architecture & urban planning, architecture, urban planning

· 1 decision maker · Emails available

Sales Outreach Angle

Plan 21. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

Plan 21's Position in the StackWho Database

• Plan 21 is 1 of 2,502 architecture & planning companies tracked in StackWho.
• 2,497 architecture & planning companies in our database have verified decision-maker emails (100% of the cohort).
• 73 companies in Primorje-Gorski Kotar County are in the StackWho database.
• 1,088 architecture & planning companies are in the 1-10 employee range (same size as Plan 21).

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 Plan 21 use?

Full technology stack data for Plan 21 is available on StackWho.

How do I contact the decision makers at Plan 21?

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

What industry is Plan 21 in?

Plan 21 operates in the architecture & planning industry, headquartered in Rijeka, Primorje-Gorski Kotar County, Croatia. StackWho tracks technology stacks and decision maker contacts for companies across all industries.