What technologies does the black square use?

the black square uses Outlook, Microsoft Office 365, Amazon AWS, Mobile Friendly, Google Tag Manager. View their full technology stack — including all 10 detected tools — on StackWho.

Who is the Co-Founder of the black square?

Verena Hochrainer is the Co-Founder at the black square. Get verified contact information on StackWho.

Where is the black square located?

the black square is based in Vienna, Vienna, Austria.

the black square

theblacksquare.at

architecture & planning

theblacksquare.at

Vienna, Vienna, Austria

1-10 employees

LinkedIn Profile

About the black square

architektur, innenarchitektur, immobilien, interior, design, regional partners, interior renovation, nachhaltige architektur, materialinnovation, architektur boutique, craftsmanship, raumoptimierung, materialien, custom solutions, bodenverlegung, architectural design, holistic planning, nachhaltigkeit, raumgestaltung, material selection

the black square's Tech Stack

Decision Makers at the black square

1 contact

Verena Hochrainer

Co-Founder

v***@theblacksquare.at Sign up to view

Unlock full contact details including verified emails and LinkedIn profiles

Upgrade to Pro

10 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.

the black square's Position in the StackWho Database

• the black square 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).
• 2,077 companies in Vienna are in the StackWho database.
• 1,088 architecture & planning companies are in the 1-10 employee range (same size as the black square).

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 the black square use?

the black square uses Outlook, Microsoft Office 365, Amazon AWS, Mobile Friendly, Google Tag Manager, WordPress.org, and 4 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at the black square?

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

What industry is the black square in?

the black square operates in the architecture & planning industry, headquartered in Vienna, Vienna, Austria. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export the black square's contact data?

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