Sanitär-Union GmbH & Co. KG

What Sanitär-Union GmbH & Co. KG does

Sanitär-Union GmbH & Co. KG is a private purchasing association (Einkaufsverband) in the German sanitary and heating (SHK) industry, founded in 1963 as the 'Kreis Sanitärer Großhändler' and headquartered at Münsterstraße 13, Mainz. The association aggregates the purchasing volumes of 28 owner-operated shareholder companies operating 157 wholesale locations across 3 countries with 4,500+ employees, representing one of the Top Five German purchasing associations in the sector. Its commercial model centers on two core services: Zentraler Einkauf (central purchasing), which annually negotiates terms with more than 200 partner suppliers in sanitary, heating, installation, roofing, and ventilation; and Zentralregulierung (central billing and payment processing), a paperless platform that handles master data, bonus monitoring, payment flows, and debit notes for both shareholders and suppliers.

On top of this purchasing and billing platform, Sanitär-Union operates three exclusive private-label brands distributed exclusively through its shareholder wholesale network: DIANA – Mein Bad (sanitary products, launched 1976, relaunched 2009), DITECH – Haustechnik (building technology products with 5-year warranty, launched 2016), and SPLASH – Trendsetter Bad (premium bathroom inspiration web platform, launched 1992). The association also runs brand-specific content and marketing channels — including the DIANA 'Freiraum' magazine, dedicated websites (diana-bad.de, ditech-haustechnik.de, splash-bad.de), and Instagram and LinkedIn presences — plus a protected online shareholder area for purchasing and billing data.

Revenue is generated through a transaction-fee model on aggregated purchasing volumes and a managed-services model on central billing administration. Pricing is not publicly disclosed, reflecting the B2B cooperative structure in which the 28 shareholders are simultaneously owners and customers with voting rights and supervisory board representation. Jan Glinka serves as Managing Director (Geschäftsführer) and Marius Heinze as Chairman of the Supervisory Board (Aufsichtsratsvorsitzender). No external private equity or venture capital ownership is evident.

Name

Sanitär-Union GmbH & Co. KG

Legal name

Sanitär-Union GmbH & Co. KG

Website

https://sanitaerunion.de

Company type

Private

Founded year

1963

Operating status

Operating

Headcount range

1–10 employees

Short description

Sanitär-Union is a German purchasing association founded in 1963 that aggregates the buying power of 28 owner-operated sanitary and heating wholesalers across 157 locations in 3 countries, negotiating terms with 200+ suppliers and operating three exclusive private-label brands (DIANA, DITECH, SPLASH) distributed through its shareholder network.

Ownership category

akta.pro rank

Product category

Sanitary & Heating Wholesale Purchasing Services

NAICS

Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers (423720)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070), Services-Membership Organizations (8600)

akta.pro primary industry

Membership Wholesale Clubs (B2B & B2B2C) (CRAEAEAB)

akta.pro secondary industry

Specialty Membership Clubs (Category-Focused) (CRAEADAI)

Keywords

• Purchasing association services
• Sanitary wholesale distribution
• Heating industry supplies
• Centralized purchasing services
• Exclusive trade brands

Headquarters

HQ city

Mainz

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Centralized Purchasing Services: As a purchasing association, Sanitär-Union generates revenue by aggregating purchasing volumes of 28 shareholder companies to negotiate favorable conditions with over 200 supplier partners. The association benefits from higher discount/bonus amounts (Skontobeträge) obtained through collective negotiation, sharing benefits with members.
2. Central Billing Administration (Zentralregulierung): Centralized processing of payment traffic, bonus tracking, and invoice management for shareholder companies and partner suppliers, generating administrative fees.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Sanitär-Union is a purchasing association (Einkaufsverband) in the sanitary, heating, installation, roofing and ventilation sectors, providing two core services for its 28 owner-operated shareholder wholesale companies: centralized purchasing (Zentraler Einkauf) that aggregates volumes to negotiate conditions with 200+ partner suppliers, and centralized billing/payment administration (Zentralregulierung) that processes all payment flows, documentation and bonus monitoring. The association also owns and distributes three exclusive trade brands — DIANA (sanitary products), DITECH (building technology) and SPLASH (bathroom inspiration platform) — exclusively through its shareholder wholesale network.

Product overview

Sanitär-Union is a purchasing association (Einkaufsverband) in the sanitary and heating industry, founded in 1963. The company operates a platform-plus-brands model consisting of three exclusive own brands—DIANA for sanitary products, DITECH for home technology, and SPLASH as a premium inspiration platform—along with two core services: central purchasing (Zentraler Einkauf) that negotiates conditions with over 200 suppliers, and central payment processing (Zentralregulierung) for efficient and transparent settlement. The brands are exclusively available through member shareholders and their wholesale partners.

Differentiator

Problem solved

Functional benefit

Brands

• DIANA – Mein Bad: Exclusive private label brand offering a diverse selection of sanitary products including faucets, shower solutions, bathtubs, and bathroom furniture from well-known manufacturers. Distributed exclusively through shareholders' showrooms and online via www.diana-bad.de. Also publishes the 'Freiraum' magazine for inspiration.
• DITECH – Haustechnik
• SPLASH – Trendsetter Bad

Products and services

• Zentraler Einkauf (Central Purchasing) Centralized purchasing service that negotiates conditions with more than 200 partner suppliers in sanitary, heating, installation, roofing and ventilation sectors and bundles the purchasing power of 28 shareholder wholesale companies.
• Zentralregulierung (Central Payment Processing)

Quantifiable outcome

• 5-year warranty on most DIANA and DITECH products (vs standard 2-year legal warranty)

Named customers3 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

One partnership is on record.

• Partner-Lieferanten (Partner Suppliers)coreStrategic or Co-development Partner · 1 January 1963More than 200 partner suppliers from sanitary, heating, installation, roofing and ventilation sectors work with Sanitär-Union. The association negotiates purchasing conditions centrally for all shareholder companies. Suppliers provide comprehensive product range from modern bathroom objects to high-quality building technology and installation components. The partner portfolio is continuously updated to reflect market needs and trends.

Scale indicators7 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Nordwest Handel AG: Nordwest is a German central purchasing and services cooperative for mid-sized trade wholesalers across multiple trades including SHK. Its member-owned structure, central purchasing negotiation, and exclusive brand portfolio mirror Sanitär-Union's operating model.
• Obeta Elektro: Obeta is a German electrical wholesale partner within a purchasing association structure, similar to Fega & Schmitt. It is comparable as a regional member of a purchasing cooperative serving tradespeople across Germany.
• Richter+Frenzel GmbH & Co. KG: Richter+Frenzel is a major German sanitary, heating, and plumbing wholesale distributor with a broad branch network. It is directly comparable as a downstream SHK wholesale counterpart that competes with and supplies through Sanitär-Union's shareholder network.
• Fega & Schmitt Elektrogroßhandel GmbH: Fega & Schmitt is a member of the GC Group and operates as a regional electrical wholesale partner within a purchasing association. It is comparable as a co-model participant in German purchasing associations serving the trades.
• GC Großhandels Contor GmbH: GC Group is one of the largest German purchasing associations in the sanitary, heating, and electrical trades with a comparable member-owned wholesale structure. It operates the same Einkaufsverband model with exclusive brands and central billing, making it the closest direct peer to Sanitär-Union.

Broad incumbents

• Rexel Germany (formerly Hagemeyer): Rexel is one of the largest electrical distribution groups in Germany with broad trade and contractor coverage. It is comparable as a multi-country trade wholesale platform with digital ordering and supplier services competing for Fachhandwerker wallets.
• Sonepar Deutschland GmbH: Sonepar is a global electrical wholesale distributor with significant German operations serving trade customers. It is comparable as an incumbent distribution platform with digital tooling and supplier relationships that overlap with SHK-style trade distribution.
• Adolf Würth GmbH & Co. KG: Würth is a global leader in trade supplies with deep direct relationships to tradespeople and artisans. While much broader than SHK, Würth competes for Fachhandwerker mindshare and supplier negotiating attention relevant to Sanitär-Union's channel.
• BayWa AG: BayWa is a large German cooperative-rooted group active in building materials, energy, and agricultural wholesale. It is comparable as a German member/owner-oriented trade wholesale platform, though with a much broader and more diversified portfolio.

Others

• Zentralverband Sanitär Heizung Klima (ZVSHK): ZVSHK is the German central trade association for the SHK trades rather than a commercial operator. It is thematically related as the industry body representing Fachhandwerker that Sanitär-Union's shareholders serve, shaping the regulatory and standards environment.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/sanit%C3%A4r-union
• Instagraminstagram.com/splash.bad

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sanitär-Union GmbH & Co. KG