Diamona & Harnisch

Diamona & Harnisch is a Berlin-based property developer involved in developing, realising and selling residential complexes.

Real Estate

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Headquarters: Berlin, GermanySource: RevenueBaseRetrieved October 13, 2026
Employee range: 11 to 50Source: RevenueBaseRetrieved October 13, 2026
Published list appearances: 1 supported appearance ↗Source: RevenueBase lists

The company at a glance

What does Diamona & Harnisch do?

The company has operated in Berlin’s residential market since 2008. Its team has expertise in project management, project accounting, sales, after-sales, office management, marketing and public relations.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

Residential complex development

The company develops, realises and sells residential complexes combining modern design with sophisticated architecture.

Source: LinkedIn company description · Retrieved October 13, 2026

Property development

The company develops properties across Berlin and beyond, including Friedrichshain, Schöneberg and Potsdam.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

#21OF 25

Berlin

Residential developers

Snapshot: September 20, 2026

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Diamona & Harnisch

#21 Residential developers

Snapshot: September 20, 2026

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<a href="https://revenuebase.ai/companies/residential-developers/germany/berlin" target="_blank" rel="nofollow noopener">
  <img src="https://revenuebase.ai/companies/profiles/diamona-harnisch/recognition-companies-residential-developers-germany-berlin-20260921-78fcebf687316c40d1299d1e84ebfb938bd0fb9520ad9c1f24bc7a73740a57ee.svg" alt="Diamona &amp; Harnisch listed #21 on Residential developers, September 20, 2026" width="220" height="319" style="max-width:100%;height:auto;" />
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Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 2, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 20, 2026. How the company lists are built.

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