Vermieterwelt Gmbh

What Vermieterwelt Gmbh does

Vermieterwelt GmbH is a Stuttgart-based digital SaaS platform, founded in 2021, that provides private landlords in Germany with an all-in-one suite of tools for rental property management, legal compliance, and rent optimization. The platform organizes the landlord workflow into four lifecycle stages — rental initiation (Mietpreisrechner, Mietercheck via FinAPI, Immobilien-Inserate, Vergleichswohnungen), tenancy management (Nebenkostenabrechnung, Mieteingangskontrolle, Vorlagen & Dokumente, Objektverwaltung), rent and yield optimization (Mieterhöhung, Restnutzungsdauergutachten, Kaufpreisaufteilung), and tenancy termination — plus a nationwide Mietspiegel-Landkarte covering 2,538 rent index records across 98% of German locations and a Wissensbereich knowledge hub of articles, court rulings, and expert articles.

The technical foundation is a cloud-based SaaS platform hosted in certified German data centers, delivered through a German-language web application with SSL encryption and GDPR/DSGVO compliance, including an optional Data Processing Agreement (AVV) and an in-house data protection officer. Key integrations include FinAPI for SCHUFA-independent tenant credit scoring using European databases, and "AI-supported technologies" deployed as an assistive layer for process automation in document handling, rent calculation, and administration. Notable proprietary data assets are the Mietspiegel-Landkarte and the Vergleichswohnungen comparable-properties database.

Vermieterwelt operates a product-led growth model with a free Basic tier and a €79/year Professional subscription that unlocks unlimited properties, unlimited utility billing, tenant credit checks, the rent map, expert consultations (3/year with founder Matthias Heißner, "Mr. Vermietung"), and all document templates. Revenue is supplemented by one-time individual service purchases (expert opinions, work aids). The GTM motion combines organic social-media community building (250,000+ landlord followers), a referral program (Vermieter werben Vermieter) issuing €25 Amazon vouchers, content marketing and SEO, and a direct self-serve registration flow; there is no disclosed external funding, and the company is founder-owned with 1–10 employees serving more than 140,000 platform users.

Name

Vermieterwelt Gmbh

Legal name

Vermieterwelt GmbH

Website

https://vermieterwelt.de

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

1–10 employees

Short description

Vermieterwelt GmbH is a Stuttgart-based German SaaS platform that provides private landlords with an all-in-one suite of rental management, legal compliance, and rent optimization tools, monetized via a €79/year Professional subscription serving 140,000+ users.

Ownership category

akta.pro rank

Headquarters

HQ city

Stuttgart

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Software

Cost components

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

Revenue model

1. Professional Membership Subscription: Annual subscription at 79€ per year providing unlimited access to all tools and features regardless of number of properties managed. Includes unlimited property management, utility billing, expert consultations, and all document templates.
2. Freemium / Base Account: Free basic registration with limited access to certain tools and content. Users can test features like rent calculators and basic documents before upgrading.
3. Individual Service Purchases: Single purchases available for certain content and services such as specialist information, expert rulings, work aids, and specific individual services for non-Professional members.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Vermieterwelt operates an all-in-one digital SaaS platform that supports private landlords in Germany with rental management and documentation. The offering combines property and unit management, legally reviewed document templates, automated utility cost billing, rent pricing tools, nationwide rent index map, tenant credit checks via FinAPI integration, and guided rent increase processes. A freemium model is in place with a €79/year Professional subscription unlocking unlimited usage across all tools and properties.

Product overview

Vermieterwelt is an all-in-one digital platform for private landlords in Germany, combining property management software, expert knowledge, and verified legal documents into a unified system. The core offering is organized around the property lifecycle: rental initiation (Mietpreisrechner, Mietercheck, Immobilien-Inserate, Vergleichswohnungen), tenancy management (Nebenkostenabrechnung, Mieteingangskontrolle, Vorlagen & Dokumente, Objektverwaltung), rent optimization (Mieterhöhung, Restnutzungsdauergutachten), and tenancy termination (Kündigung, Abnahme, Kaution). Supporting modules include a nationwide Mietspiegel-Landkarte, expert consultation (Expertenrat), and a comprehensive knowledge base (Wissensbereich). The Mietercheck integrates FinAPI for credit scoring. Access to all tools is available via a free Basic tier or the €79/year Professional subscription, which removes usage limits on property numbers, cost allocations, and tenant checks.

Differentiator

Problem solved

Functional benefit

Products and services

• Mietspiegel-Landkarte Interactive Germany-wide map for searching official rent indices (Mietspiegel) by postal code or location, showing local comparative rents and informing on rent brake and cap limits. Covers 2,538 rent index records across 98% of German locations with official rent indexes.
• Mietpreisrechner Online calculator that determines market-appropriate rent prices based on property type, location, condition, and amenities, providing guidance when no local rent index is available.
• Mietercheck (Bonitätsprüfung) Tenant credit and reliability check that queries European databases to assess prospective tenants' payment history and creditworthiness with SCHUFA-independent scoring. Backed by FinAPI's TÜV-certified services.
• Nebenkostenabrechnung Digital tool for creating legally compliant operating cost (incidental expenses) statements without Excel, covering cost items such as heating, water, and waste disposal with automatic tenant allocation calculations and legally compliant PDF generation.
• Mieteingangskontrolle Automated rent payment monitoring tool that tracks incoming payments against expected amounts, identifies arrears immediately, and supports dunning workflows for improved financial and yield management.
• Restnutzungsdauergutachten Digital appraisal for determining the remaining useful life of buildings for tax depreciation planning, property valuation, and strategic investment decisions.
• Vergleichswohnungen Database search tool that retrieves comparable rental properties from major national real estate portals to support rent increase justifications and market price assessments.
• Mieterhöhung durchsetzen Step-by-step guided process for legally compliant rent increases, providing verified templates, automatic checking of cap limits and comparative rents per BGB requirements.
• Objekt- und Einheitenverwaltung Centralized property and unit management module for organizing all properties, units, rental relationships, and contacts in one place.
• Vorlagen & Dokumente Library of legally verified document templates, checklists, and legally compliant materials for rental contracts, terminations, and rent increase notices.
• Vermieterwelt Professional Premium annual subscription at €79 per year providing unlimited access to all tools, templates, tenant checks, rent map, rent calculator, and expert consultations across all managed properties. Includes 30-day satisfaction guarantee and monthly cancellation option.
• Immobilien-Inserate Property listing creation tool for publishing professional rental advertisements across multiple platforms without duplicate effort.
• Kaufpreisaufteilung Allocation tool for splitting purchase prices between land and building for tax depreciation purposes.

Quantifiable outcome

• 91%+ success rate for rent increases with optional comparison offer feature
• +3 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability2 records

Feature6 records

Partnerships

Three partnerships are on record, tiered core and minor.

• FinAPIcoreTechnology or IntegrationFinAPI provides the data infrastructure for tenant credit checks (Mietercheck). Their TÜV-certified services ensure reliable identity and creditworthiness verification using Europe's largest databases. This integration enables SCHUFA-independent scoring for tenant screening.
• Mr. Vermietung (Matthias Heißner)coreStrategic or Co-development PartnerFounder and chief expert with 30+ years of rental experience, 12,000+ completed rentals, and 600+ own apartments. Provides expert consultations and drives product development based on practical experience. Key figure in marketing and brand identity.
• Proven ExpertminorGTM or Marketing PartnerReview and rating platform providing credibility seal displayed on the website. Part of trust-building and social proof strategy.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Casavi: German property management SaaS focused on digitizing communication and operations for property managers and landlords. Most direct vertical competitor to Vermieterwelt in German rental-property software, with overlapping modules for tenant communication, document management, and process automation.
• Immomio: German rental-management platform providing automated tenant screening, digital lease workflows, and tenant self-service. Closely comparable to Vermieterwelt's tenant-screening and tenancy-management modules, targeting landlords and small property managers in Germany.
• FlowFact: German CRM and workflow software for real-estate professionals, including brokers, property managers, and investors. Overlaps with Vermieterwelt's property database, document management, and workflow automation, with a more professional/broker-oriented positioning.

Broad incumbents

• Rightmove: UK's largest residential property portal, with landlord tools and market data. Operates in a different geography but is the most comparable broad incumbent model in European online residential real estate, useful as a scale benchmark for Vermieterwelt's ambitions.
• Immowelt: Major German real estate portal with property-listing and landlord services. Overlaps with Vermieterwelt on listing creation, tenant search, and market data, though it does not specialize in compliance/utility-billing workflows for private landlords.
• ImmoScout24: Germany's largest real estate marketplace and a subsidiary of Scout24. While primarily a listing portal, it has expanded into landlord/tenant tooling and represents a broad incumbent whose reach and brand dwarf Vermieterwelt's community.

Regional players

• WG-Gesucht: Long-standing German platform focused on shared-apartment and rental listings. Adjacent to Vermieterwelt's listing and tenant-search modules, serving primarily students and young tenants rather than established private landlords.

Emerging players

• Homeday: German digital real-estate brokerage providing agent-mediated buying and selling with online tooling. Competes for landlord/investor mindshare in the German residential-property segment but does not address ongoing rental administration.
• McMakler: German hybrid real-estate brokerage offering brokerage plus digital tools for buyers, sellers, and investors. Adjacent to Vermieterwelt's "Kauf & Verkauf" and investment-property toolset, but focused on transactions rather than ongoing tenancy management.
• MieterEngel: German tenant-rights and rental-law service providing legal support, Mietminderung calculations, and dispute assistance. Adjacent rather than directly competing, but addresses the same German rental-law complexity that drives demand for Vermieterwelt's landlord-facing compliance tools.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/vermieterwelt
• Facebookfacebook.com/vermieterwelt
• LinkedInlinkedin.com/company/vermieterwelt
• Instagraminstagram.com/vermieterwelt

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Vermieterwelt Gmbh