Real Estate Partner Claussen

What Real Estate Partner Claussen does

Immobilienpartner Claußen GmbH is a privately held, family-owned real estate services firm headquartered in Oldenburg, Lower Saxony, Germany, led by managing directors Werner Claußen (Senior) and Kai Claußen (Junior). The company operates across three integrated service pillars: Hausverwaltung (property management), Immobilienvermietung (rental brokerage), and Immobilienverkauf (sales brokerage), supplemented by Energieausweis (energy performance certificate) issuance. Its property management portfolio covers 3,500+ units across approximately 300 buildings, with a growing presence on the East Frisian Islands of Wangerooge and Norderney that includes a dedicated branch office on Wangerooge. The company averages over 200 residential rental placements per year alongside 'numerous' brokered sales, and lists properties on Germany's three largest real estate portals (Immobilienscout24, Immowelt, Immonet). Property management is segmented into WEG-Verwaltung (condominium administration), Mietverwaltung (rental management), and Sondereigentumsverwaltung (full-service individual apartment owner administration), and the company holds a §34c GewO trade license under the supervision of the Oldenburg IHK.

The business model combines three revenue streams: recurring property management fees from WEG, rental, and special ownership contracts; transaction-based brokerage commissions on property sales; and one-time rental placement fees from tenant sourcing and screening (including Schufa/Creditreform checks and Haus & Grund contract preparation). Pricing is not publicly disclosed and is negotiated per-assignment or per-unit. The company employs 21 people (two managing directors plus 19 colleagues across administration, sales, property management, accounting, and technical support), making it a small but operationally dense regional player. Its technology stack is non-proprietary, relying on standard WordPress infrastructure, third-party marketplaces, and manual/relationship-driven sales motions. Customers are predominantly individual and mid-market property owners and investors in Oldenburg, Bad Zwischenahn, Wangerooge, and Norderney, with no concentration in any single enterprise account. The firm is privately held with no disclosed external investors, no funding rounds, no acquisitions, and no public revenue figures.

Name

Real Estate Partner Claussen

Legal name

Immobilienpartner Claußen GmbH

Website

https://immobilienpartner-claussen.de

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Immobilienpartner Claußen GmbH is a family-owned Oldenburg-based real estate firm managing 3,500+ units across 300 buildings, and offering property management, rental brokerage, and sales brokerage services to individual and mid-market property owners across the Oldenburg region and the East Frisian Islands.

Ownership category

akta.pro rank

Product category

Real Estate Services

NAICS

Residential Property Managers (531311), Offices of Real Estate Agents and Brokers (5312)

SIC

Real Estate Agents & Managers (For Others) (6531)

akta.pro primary industry

Condominium Association Management (BPAJAHAA)

akta.pro secondary industry

New-Listing Onboarding, Setup & Launch Services (THAMAKAO)

Keywords

• Property management services
• Real estate brokerage
• Condominium administration
• Residential rentals
• Property sales

Headquarters

HQ city

Oldenburg

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Property Management Fees: Ongoing management fees charged to property owners for administration of residential and commercial units. The company manages over 3,500 units across WEG (condominium) administration, rental management, and special property management. Revenue is recurring based on managed unit count.
2. Real Estate Sales Commission: Brokerage commissions on successful property sales — including apartments, single-family homes, multi-family houses, commercial properties, and land. The company acts as the selling agent from initial valuation through contract signing.
3. Rental Placement / Vermietung: One-time placement fees for matching tenants with rental properties. Services include property valuation, marketing, tenant screening (Schufa/Creditreform), contract preparation, and move-in/move-out coordination. Average of over 200 apartment rentals per year.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Immobilienpartner Claussen GmbH is a full-service real estate firm delivering property management (WEG condominium administration, Mietverwaltung rental management, Sondereigentumsverwaltung), residential and commercial property sales brokerage, rental tenant placement (Fremdvermietung) and energy performance certificate issuance for property owners, investors, buyers and tenants in the Oldenburg region and on the East Frisian Islands (Wangerooge, Norderney). The company manages 3,500+ units across approximately 300 buildings and completes an average of 200+ apartment rentals per year.

Product overview

Immobilienpartner Claußen GmbH is a full-service real estate company operating primarily in the Oldenburg region of Lower Saxony, Germany, with a growing portfolio on the East Frisian Islands (Wangerooge and Norderney). The company is organized around three core service pillars — Hausverwaltung (property management), Immobilienvermietung (rental brokerage), and Immobilienverkauf (sales brokerage) — supplemented by Energieausweis-Erstellung (energy certificate services). Property management is delivered through three distinct service lines: WEG-Verwaltung for residential community property administration, Mietverwaltung for landlord-side rental management, and Sondereigentumsverwaltung (SEV) for individual apartment owners seeking full-service delegation. On the brokerage side, the company offers both one-time Fremdvermietung tenant placement and ongoing SEV, with marketing across Immobilienscout24, Immowelt, and Immonet portals. The company also maintains an island branch on Wangerooge and a dedicated Wiki knowledge base. The portfolio spans residential (buy/rent), commercial, land, and parking categories.

Differentiator

Problem solved

Functional benefit

Products and services

• WEG-Verwaltung (Wohneigentumsverwaltung)

Quantifiable outcome

• Over 200 residential rental placements per year
• +2 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered core and minor.

• Immobilienscout24coreChannel Partner/ Reseller/ DistributorActive listings partner distributing the company's property sales and rental listings to the largest German real estate portal audience. The company maintains a verified anbieter profile on Immobilienscout24 (profile ID: a05bb2c4457f8ab126534).
• ImmoweltcoreChannel Partner/ Reseller/ DistributorActive listings partner on Immowelt, one of Germany's leading property portals. The company maintains verified profiles on both Immowelt and Immonet for property marketing.
• ImmonetcoreChannel Partner/ Reseller/ DistributorActive listings partner on Immonet, distributing the company's property offerings to an extended audience of prospective buyers and tenants.
• EWE BasketsminorGTM or Marketing PartnerCorporate sponsor of EWE Baskets, a professional basketball club in Oldenburg. The sponsorship provides brand visibility and community engagement for the company within the regional market.
• Regional energy consultant (unnamed)minorStrategic or Co-development PartnerThe company has a service agreement with a recognized regional energy consultant to produce energy performance certificates (Energieausweise), consumption certificates, and full renovation concepts for managed properties on short notice.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Planet Home Group: Germany-focused real estate services group active in property management (WEG and rental), brokerage (including franchise network ImmoFinanz), and real estate valuations. Highly comparable mix of WEG-Verwaltung, Mietverwaltung, and sales brokerage serving private owners across multiple German regions.
• Grossmann & Berger GmbH: Hamburg-based traditional brokerage and property management firm with residential and commercial services, including WEG-adjacent management for private owners. Comparable mid-market regional German firm with the same combination of Vermietung, Verkauf, and Hausverwaltung that defines Claussen's model.
• Mr. Lodge GmbH: Munich-based property management and brokerage firm focused on apartments, investment properties, and WEG administration in the Bavarian market. Comparable third-party Hausverwaltung-plus-Vermietung/Verkauf operator, though regionally focused on Munich rather than northwestern Germany.
• Robert C. Spies GmbH: Bremen-based, mid-sized traditional real estate firm offering brokerage (residential and commercial), property management, and project consulting across northern Germany. Closely comparable to Claussen in size, regional northwestern German footprint, and the combined management-plus-brokerage service mix.

Broad incumbents

• Vonovia SE: Germany's largest residential property owner and manager, with an in-house management organization (incl. Deutsche Wohnen) that handles WEG administration, rental management, and tenant services at huge scale. Comparable to Claussen on WEG and Mietverwaltung service lines, but as a vertically integrated owner-operator rather than a third-party manager for individual owners.
• Engel & Völkers: German-headquartered international real estate franchise combining residential brokerage, property management-adjacent services, and premium marketing. Comparable to Immobilienpartner Claussen as a full-service German brokerage that also supports owners through sales and rentals, but operating at a vastly larger national/international scale rather than a single regional cluster.

Others

• Wüest Partner AG: Independent real estate consulting and valuation firm active in Germany, Switzerland, and broader Europe, providing appraisal, market research, and energy/sustainability services. Comparable as a complementary service provider to German property managers - particularly relevant given Claussen's energy certificate (Energieausweis) service - rather than a direct competitor.
• Immobilienscout24 (Scout24 SE): Germany's dominant real estate marketplace and a current channel partner of Claussen for property listings. Relevant as both a key GTM dependency (brokerage lead source) and a structural threat: as the marketplace extends into agent-mediated services, it could compress traditional brokerage commissions.

Regional players

• Aigner Immobilien GmbH: Bavaria-rooted independent real estate brokerage with a tradition of residential and investment sales, rental placement, and property management support. Comparable family-style brokerage-plus-management business, but operating primarily in southern Germany instead of competing in Claussen's northwestern footprint.

Emerging players

• McMakler GmbH: Berlin-based digital-first German real estate brokerage using a hybrid tech-plus-local-agent model for sales and rentals. Comparable in the brokerage and rental-placement service lines that Claussen delivers, but with a fundamentally different tech-led cost structure and broader geographic ambition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 Real Estate Partner Claussen