Sanitär- und Heizungs-Fachhandel Gerhard Küster GmbH Sanitär- Heizungs- und Klimatechnik

What Sanitär- und Heizungs-Fachhandel Gerhard Küster GmbH Sanitär- Heizungs- und Klimatechnik does

Gerhard Küster GmbH is a family-founded, now wholly-owned subsidiary of Friedrich Lange GmbH (Hamburg), specialist wholesale distributor of sanitary, heating, climate, ventilation, and installation products headquartered in Hannover-Vahrenwald, Germany, and operating since 1955. The company serves two primary customer segments: SHK (Sanitär, Heizung, Klima) trade craftsmen as the core B2B channel, and private homeowners/builders as a secondary B2C channel, with a smaller commercial/industrial tail. Distribution runs through four pickup warehouses (Holfix) in Hannover-Vahrenwald, Hannover-Südstadt, Hildesheim, and the newly opened 9,000 m² central warehouse in Burgwedel, supplemented by an own delivery fleet serving Hannover, Hildesheim, Braunschweig, Wolfsburg, Magdeburg, Minden, Einbeck and surrounding regions. The product catalog spans approximately 12,000-14,000 in-stock SKUs from 25+ manufacturer brands including Viega, Villeroy & Boch, Geberit, Hansgrohe, Grohe, Duravit, Vaillant, and Bosch.

Revenue is generated primarily through wholesale product sales (transaction-based pricing to trade accounts and counter sales at the Holfix locations), supplemented by professional bathroom planning consultation fees anchored in two physical exhibitions (700 m² Hannover, 300 m² Hildesheim) and a virtual 3D showroom with VR capability. The go-to-market combines field sales (outside sales representatives covering the regional territory), inside sales via phone/email/WhatsApp, the shop.sanikue.de B2B online shop, the Küster App for mobile ordering with barcode scanning, and the Küster & Friends loyalty program for approximately 350 active trade partners. Internal operations run on SAP S/4HANA (implemented 2022), with ZUGFeRD-standard electronic invoicing integrated into tradesman back-office software.

The business model is the classic three-stage Fachgroßhandel value chain — manufacturer → Küster → trade craftsman → end customer — augmented by B2C showroom-led demand generation. Revenue is not publicly disclosed; the company is privately held, employs roughly 80-90 people across its four locations, and operates exclusively within the Niedersachsen/Saxony-Anhalt regional market in Germany.

Name

Sanitär- und Heizungs-Fachhandel Gerhard Küster GmbH Sanitär- Heizungs- und Klimatechnik

Legal name

Sanitär- und Heizungs-Fachhandel Gerhard Küster GmbH

Website

https://sanikue.de

Company type

Private

Founded year

1955

Operating status

Operating

Headcount range

1–10 employees

Short description

Gerhard Küster GmbH is a 70-year-old German specialist wholesaler of sanitary, heating, climate, and ventilation products serving SHK trade craftsmen and private homeowners across the Hannover-Hildesheim region via four pickup warehouses, two bathroom exhibitions, a B2B online shop, and a 350-member partner program.

Ownership category

akta.pro rank

Headquarters

HQ city

Hannover-Vahrenwald

HQ country

Germany

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Product Sales (Wholesale): Core revenue from wholesale distribution of sanitary, heating, installation, climate and ventilation products to SHK trade craftsmen. Products available from pickup warehouses or delivered via company's own modern fleet.
2. Bathroom Planning Consultation: 3D bathroom planning services at exhibition locations in Hannover and Hildesheim, including VR-enabled visualization. Professional consultation guiding customers from concept to execution.
3. Counter Sales (Tresenverkauf): Walk-in counter sales at four pickup warehouse locations for immediate product availability.

Go-to-market motion3 records

Distribution channels7 records

Marketing channels6 records

Core offering

Gerhard Küster GmbH is a regional specialist wholesaler (Fachgroßhandel) for sanitary, heating, climate and installation technology. Its primary activity is the wholesale distribution of SHK products to trade craftsmen via four pickup warehouses, an own delivery fleet and digital ordering channels. Secondary offerings include two physical bathroom exhibitions plus 3D/VR bathroom planning consultation for private customers.

Product overview

Küster is a family-owned specialist trade wholesaler for sanitary, heating, installation, climate, and ventilation technology operating since 1955. The company operates two physical bathroom showrooms (Badausstellungen) in Hannover (700 m²) and Hildesheim (300 m²), four pickup warehouses (Abhollager/Holfix) in Hannover-Vahrenwald, Hannover-Südstadt, Hildesheim, and Burgwedel, and a new central warehouse opened in 2025. The core offering consists of physical showroom experiences for bathroom inspiration and planning, supplemented by a digital Virtuelle Badausstellung (virtual 3D showroom), 3D-Badplanung (bathroom planning service with VR capability), and B2B digital channels including a B2B Online Shop and Küster App for mobile ordering with barcode scanning. The company stocks approximately 12,000-14,000 items across locations. Additional services include the Küster & Friends partner program (launched 2019), ZUGFeRD electronic invoicing, and the ZUGFeRD-compatible format for third-party software integration.

Differentiator

Problem solved

Functional benefit

Brands

• Küster & Friends: Exklusives Partnerprogramm für SHK-Handwerksbetriebe mit Vorteilen wie Produktschulungen, Werksbesuchen und Networking-Events. Besteht seit 2019 mit rund 350 aktiven Partnerbetrieben.
• Holfix

Products and services

• Badausstellung Hannover Physical bathroom showroom spanning 700 m² in Hannover-Vahrenwald, offering hands-on experience of sanitary solutions, heating displays and contemporary bathroom design with personalised consultation from experienced bath advisors.
• Badausstellung Hildesheim Bathroom exhibition of approximately 300 m² in Hildesheim featuring modern bathroom furniture, high-quality washbasins and ceramics, elegant faucets and diverse shower solutions for individualised bathroom design.
• Virtuelle Badausstellung

Quantifiable outcome

• 12,000+ warehouse items available for immediate pickup or delivery
• +2 more outcomes

Named customers2 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

Integration2 records

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• Friedrich Lange GmbHcoreStrategic or Co-development Partner · 1 January 2019Friedrich Lange GmbH (Hamburg) acquired 100% of Gerhard Küster GmbH in 2019. Küster remains independent with regional focus and familiar team. Strategic cooperation began in 2011. Friedrich Lange is also a specialist in sanitary and heating wholesale.
• Küster & Friends Partner NetworkcoreChannel Partner/ Reseller/ Distributor · 1 January 2019Partner program for SHK trade businesses launched in 2019. Approximately 350 active purchasing trade businesses benefit from exclusive training academy, manufacturer visits, networking events, preferred order processing, technical hotline, and rebates.

Scale indicators9 records

Recent moves12 records

Expansion highlights7 records

Direct peers

• GC-Gruppe: Germany's largest SHK Fachgroßhandel cooperative, serving sanitary, heating, and climate trade craftsmen through regional member firms. Directly comparable to Küster in product mix, three-stage manufacturer→wholesaler→craftsman model, and target customer base, but with materially larger national scale.
• Richter+Frenzel GmbH + Co. KG: Major German SHK specialist wholesaler with deep regional presence across multiple Bundesländer, supplying sanitary, heating, and installation products to trade craftsmen. Highly comparable business model and customer segments to Küster, with greater geographic diversification.
• Nordwest Handel AG: German trading cooperative with a strong SHK and building-materials wholesale portfolio serving trade customers. Comparable to Küster on target customer (SHK trade craftsmen), product categories, and three-stage distribution model, with broader multi-sector reach.
• Helmut Rübsamen GmbH & Co. KG: German SHK Fachgroßhandel specialist with regional branches supplying sanitary, heating, and climate products to trade craftsmen. Closely comparable to Küster on product mix, customer segments, and three-stage distribution, though concentrated in different German regions.

Broad incumbents

• Aalberts Industries N.V. European industrial group with installation, piping, and HVAC distribution activities serving European trade and contractor markets. Comparable in end-customer and SHK-related categories, but at much larger international scale and with vertical integration into components.
• Hagebau Handelsgesellschaft für Baustoffe mbH & Co. KG: German building-materials and DIY wholesale group serving both trade professionals and retail consumers. Adjacent rather than specialized in SHK, but competes for the same end-customer renovation wallet and trade-customer procurement spend.
• B+M Bauzentrum GmbH & Co. KG: Mid-sized German building-materials and home-improvement chain with significant trade-customer business. Overlaps with Küster in renovation-driven sanitary and heating product demand, though broader in assortment and less SHK-specialized.
• Friedrich Lange GmbH: Küster's 100% parent company since 2019 and a diversified German sanitary, heating, and kitchen wholesale group based in Hamburg. Operates the same SHK Fachgroßhandel model as Küster across multiple regions, providing group-level context for benchmarking purchasing power, assortment, and digital tooling.

Others

• Geberit AG: Leading European sanitary and installation-systems manufacturer and one of Küster's named brand partners (Geberit, TECE). Not a competitor but an upstream principal whose brand strategy, pricing, and direct-trade initiatives directly affect Küster's assortment and margin structure.
• REHAU Industries SE & Co. KG: German polymer and building-solutions manufacturer with strong SHK trade-channel presence in piping, heating, and sanitary systems. Adjacent to Küster as a brand partner / supplier whose products flow through the SHK wholesale channel, shaping procurement and competition dynamics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/gerhard.kuester
• LinkedInlinkedin.com/company/sanit%C3%A4r--und-heizungs-fachhandel-gerhard-k%C3%BCster-gmbh-sanit%C3%A4r--heizungs--und-klimatechnik

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries3 records

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- und Heizungs-Fachhandel Gerhard Küster GmbH Sanitär- Heizungs- und Klimatechnik