What Mieterverein Koln E.v. does

Mieterverein Köln e.V. is a Cologne-based, non-profit tenants' association (eingetragener Verein) founded in 1900 and affiliated with the Deutscher Mieterbund (DMB). It provides legal advice, representation, and information services to private tenants across the Cologne region, covering all aspects of rental, lease, and housing law — from operating cost disputes and rent increases to eviction defense, deposit claims, and modernization notices. Its core product is free legal consultation for members, delivered through a network of one headquarters and five branch offices (Bergheim, Bergisch Gladbach, Brühl, Düren, Euskirchen), supplemented by telephone advice lines and an online appointment booking system. Add-on services include the DMB Rechtsschutzversicherung (legal expenses insurance up to €20,000 per case), downloadable DMB Ratgeber guides, an online tenant knowledge A–Z portal, a BetriebskostenCheck service, and access to the Mieterschutz eG housing cooperative founded by the association.

The organization's business model is straightforward subscription: members pay €99 per year and receive the full advice-and-representation bundle. The entity is financed almost exclusively through these membership contributions, with no disclosed external funding, investors, or grant income. Customer acquisition runs through direct-to-consumer channels — the website, phone, walk-in offices, social media, and joint public events with partners such as DGB Köln-Bonn and Verbraucherzentrale NRW. A separate commercial membership tier covers Gewerberaummiete (commercial lease) advice as a secondary segment. Underlying technology is conventional: Microsoft 365 cloud infrastructure supports member management, correspondence, and document handling. No proprietary software, AI, or API products are offered. The organization reported 35,000+ individual consultation appointments per year and a 97% out-of-court resolution rate, and is governed by a board chaired by Franz-Xaver Corneth with Sarah Primus as Managing Director.

As a non-profit association structured under §26 BGB, Mieterverein Köln does not pursue profit maximization or external capital; its strategic posture centers on advocacy, member service quality, and incremental ecosystem expansion (e.g., the cooperative housing venture). Geographic scope is regional — Cologne plus the surrounding Kreise — and the entity participates in federal political representation through its DMB affiliation.

Name

Mieterverein Koln E.v.

Legal name

Mieterverein Köln e.V. im Deutschen Mieterbund e.V.

Website

https://mieterverein-koeln.de

Company type

Private

Founded year

1900

Operating status

Operating

Headcount range

11–50 employees

Short description

Mieterverein Köln e.V. is a Cologne-based, non-profit tenants' association founded in 1900 and affiliated with the Deutscher Mieterbund, providing legal advice, representation, and housing-law information to private tenants across the Cologne region via membership subscriptions of €99/year.

Ownership category

akta.pro rank

Headquarters

HQ city

Köln

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Others

Revenue model

1. Membership Fees: The organization is financed almost exclusively from membership fees. Annual membership costs 99 euros per year. Members receive free legal advice, correspondence support, access to DMB legal expenses insurance, and tenant information resources. Special separate membership is required for commercial lease advisory services.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Mieterverein Köln e.V. is a non-profit tenants' association that provides legal advice, consultation, and representation on all rental, lease, and housing law matters for an annual membership fee of 99 EUR. Members receive free legal advice, correspondence support, and access to the DMB Rechtsschutzversicherung legal expenses insurance (up to 20,000 EUR per case). Services are delivered via in-person consultations at one main and five branch offices, telephone advice, and online resources across the Cologne region.

Product overview

Mieterverein Köln e.V. is a tenants' association providing legal advice and membership services for renters. The core offering is free legal consultation on rental and housing law matters, supported by add-on services including the DMB Rechtsschutz-Versicherung (legal expenses insurance with coverage up to €20,000), the Mieterwissen von A-Z information portal, DMB Ratgeber guides and sample contracts, BetriebskostenCheck for comparing operating costs, and the Mieterschutz eG cooperative housing option. The organization resolves 97% of tenant-landlord disputes out of court and serves members through the main office in Cologne and five branch offices in the region.

Differentiator

Problem solved

Functional benefit

Products and services

• Membership Legal Advice Service (Rechtsberatung) Annual membership-based legal advice and representation service covering all rental, lease, and housing law matters for private tenants in the Cologne region. Members receive free consultation, free correspondence drafting, and access to DMB legal expenses insurance. Annual fee is 99 EUR.
• DMB Rechtsschutz-Versicherung (Legal Expenses Insurance)

Quantifiable outcome

• 97% of landlord-tenant disputes are resolved out of court
• +2 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Six partnerships are on record, tiered core and minor.

• Verbraucherzentrale Nordrhein-WestfalencoreStrategic or Co-development Partner · 1 December 2011A framework cooperation agreement between the Verbraucherzentrale NRW and the German Tenants' Association of North Rhine-Westphalia (DMB NRW) has been in effect since December 2011, also applicable to Mieterverein Köln. Members receive a 10% discount on Verbraucherzentrale guides, free out-of-court legal advice on consumer law topics at Verbraucherzentrale advice centres, and discounted tenancy law consultations (20 EUR per quarter hour for non-members seeking advice through the Verbraucherzentrale).
• Deutscher Gewerkschaftsbund (DGB) Köln-BonncoreStrategic or Co-development PartnerMieterverein Köln and DGB Köln-Bonn jointly host the event series 'Eine Stunde zur Wohnungsfrage' (One hour on the housing question) to address the housing crisis in Cologne. The first event was held on 19.05.2026 with activist Kalle Gerigk discussing affordable housing, displacement, and the right to housing. Both organizations jointly advocate for affordable and sufficient housing in Cologne.
• Vereinte Dienstleistungsgewerkschaft (ver.di)minorGTM or Marketing PartnerThe Deutscher Mieterbund in Berlin cooperates with ver.di to offer ver.di members telephone advice on tenancy law issues. The hotline (030-2232373) is available Mondays and Tuesdays 12:00–14:00 and Thursdays 18:00–20:00 free of charge (standard phone charges apply). Advice is limited to tenant issues; questions about home ownership or renting out properties are excluded.
• Deutscher Mieterbund (DMB)coreStrategic or Co-development PartnerMieterverein Köln is affiliated with the Deutscher Mieterbund (DMB) in Berlin, the umbrella organization for approximately 350 local tenants' associations operating about 500 advice centres nationwide, representing over 3 million tenants. The DMB provides political representation at the federal level, legal resources, the DMB Rechtsschutzversicherung (legal expenses insurance), publishing (DMB Ratgeber), and professional standards for legal advisory services. The DMB is structured federally across 16 state associations.
• Deutscher Mieterbund Nordrhein-Westfalen e.V.coreStrategic or Co-development PartnerThe DMB NRW, based in Düsseldorf since March 2004, is the state-level umbrella organization for all tenants' associations in North Rhine-Westphalia. Mieterverein Köln is affiliated through this state association. DMB NRW represents tenant interests vis-à-vis the NRW state government and political parties, informs member associations about new legislation and case law, and provides training in legal advice and association management.
• Mieterschutz eGcoreOthersThe housing and building cooperative Mieterschutz eG was founded by Mieterverein Köln to provide members with affordable modern housing at fair rents, without risk of termination for personal use, and with appropriate dividends on cooperative shares. Members can rent a flat by subscribing to cooperative shares.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Mieterverein Hamburg: The Hamburg Tenants' Association offers legal advice, representation, and tenant advocacy services in Hamburg. As a DMB affiliate, it operates the same membership model and is directly comparable in services and structure to Mieterverein Köln, serving another major German rental market.
• Mieterverein Berlin: One of the largest local tenants' associations in Germany with approximately 170,000 members, the Berliner Mieterverein operates the same membership-based model providing legal advice and representation to tenants in Berlin. Highly comparable in structure, services, and pricing to Mieterverein Köln.
• Haus & Grund Deutschland: Germany's largest homeowner and landlord association, providing advisory services, legal representation, and political advocacy to property owners. As the structural counterpart to tenants' associations in the housing law domain, Haus & Grund uses a comparable membership-based legal services model serving the opposite side of landlord-tenant disputes, with overlapping expertise in Mietrecht.
• Deutscher Mieterbund (DMB): The German Tenants' Association is the federal umbrella organization representing 3M+ tenants across 350 local associations and approximately 500 advice centers nationwide. As Mieterverein Köln's parent affiliate within this network, DMB operates the same membership-based legal advisory model at federal scale and provides shared resources including the Rechtsschutzversicherung and Ratgeber publishing program.
• DMB Nordrhein-Westfalen: The state-level DMB affiliate for North Rhine-Westphalia, headquartered in Düsseldorf since 2004. Represents tenant interests vis-à-vis the NRW state government and provides coordination for local associations including Mieterverein Köln. Directly comparable as the intermediate organizational layer in the DMB structure.
• Mieterverein Frankfurt: The Frankfurt Tenants' Association provides legal advisory services to tenants in the Frankfurt metropolitan area, another tight rental market. Operates the same DMB-affiliated membership model as Mieterverein Köln with comparable service offerings and pricing structure.
• Mieterverein München: The Munich Tenants' Association provides legal advisory services to tenants in the Munich metropolitan area, which similarly faces significant housing pressure. Operates the same DMB-affiliated membership model as Mieterverein Köln with comparable pricing and service offerings.

Others

• Verbraucherzentrale NRW: The consumer protection center for North Rhine-Westphalia has a formal framework cooperation agreement with DMB NRW and Mieterverein Köln since December 2011. Provides complementary legal advice on consumer law topics and offers members discounted tenancy law consultations, functioning as a strategic referral partner rather than direct competitor.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/mieterbundkoeln
• YouTubeyoutube.com/channel/UCSy1vbIBwdVRgkHlVLFqzPQ
• Facebookfacebook.com/mietervereinkoeln
• Instagraminstagram.com/mieterverein_koeln

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 Mieterverein Koln E.v.