W. Hartmann & Co. Gmbh

W. Hartmann & Co. GmbH is a systems provider and wholesaler of aluminium sheets and profiles.

Wholesale Building Materials

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Headquarters: Oststeinbek, Schleswig-Holstein, GermanySource: RevenueBaseRetrieved October 13, 2026
Employee range: 51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded: 1925Source: RevenueBaseRetrieved October 13, 2026
Published list appearances: 7 supported appearances ↗Source: RevenueBase lists

The company at a glance

What does W. Hartmann & Co. Gmbh do?

The company is headquartered in Oststeinbek near Hamburg, with a branch in Gladbeck and regional sales offices. For architecture projects, Hartmann offers a range of surface-finished rolled aluminium products.

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

Who it serves

Hartmann also supplies aluminium sheets and profiles for industrial, transport and specialist applications.

What the business offers

Services & capabilities.

Aluminium sheets

Hartmann carries a broad range of aluminium sheets for industrial, transport and specialist applications.

Source: LinkedIn company description · Retrieved October 13, 2026

Aluminium profiles

The profile range includes powder-coated and anodised extruded profiles, as well as project-specific profiles made to drawing.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Snapshot: September 17, 2026

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W. Hartmann & Co. Gmbh

#3 Aluminum sheet metal distributors

Snapshot: September 29, 2026

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  <img src="https://revenuebase.ai/companies/profiles/hartmann-metalle/recognition-companies-aluminum-sheet-metal-distributors-germany-20260930-082007342fff2c62cf2445149ca2ebac5d2e14f21052700998598f603c8c6343.svg" alt="W. Hartmann &amp; Co. Gmbh listed #3 on Aluminum sheet metal distributors, September 29, 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 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 15, 2026, September 17, 2026, September 28, 2026 and September 29, 2026. How the company lists are built.

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