Gbt Wohnungsbau Und Treuhand AG

What Gbt Wohnungsbau Und Treuhand AG does

Gbt Wohnungsbau und Treuhand AG (gbt) is a 125-year-old housing company headquartered in Trier, Germany, that develops, owns, rents, and manages residential and commercial property across the Trier region and adjacent markets including Bitburg and Koblenz. The company manages approximately 9,500 own and third-party residential and commercial units, including both market-rate apartments (cold rents typically €492–€830/month) and subsidized housing (geförderter Wohnraum, requiring a Wohnberechtigungsschein), and is developing the Quartier Bethanien premium project (23 units, Summer 2026) and WohnRaum West new-build district in Trier-Euren.

Its service portfolio spans core property management (rental, lease administration, rent collection), certified WEG and third-party property management under §26a WEMoG, in-house property valuation (DEKRA-certified since September 2025), a self-operated submetering and utility billing service built on Stadtwerke Trier's LoRaWAN IoT network, and garden/landscape maintenance covering approximately 320,000 m². A wholly-owned subsidiary, gbt-Dienstleistungs-GmbH (founded 2003), provides in-house trades services — plumbing, heating, electrical, flooring, tiling, plastering, and painting — across the portfolio and to external clients. gbt serves individual tenants (families, seniors, singles), WEG owner communities, municipal and institutional clients (Stadt Trier, Provinzial Versicherung), and partners with Krankenhaus der Barmherzigen Brüder and Pflegegesellschaft St. Martin on senior housing developments.

Revenue is generated through a layered model: recurring monthly rental income from owned units, recurring property management and WEG administration fees from third-party managed stock, recurring utility billing fees, project-based property valuation fees, and managed-services revenue from the subsidiary's handyman operations and external garden contracts. Distribution runs through the corporate website property portal, an online rental application system, five neighborhood service offices across Trier districts, a 24/7 emergency hotline, and direct sales outreach for B2B mandates. The technology stack is conventional property management tooling — LoRaWAN-based metering, a customer portal under development, and an Aareon-linked application form — with no disclosed AI/ML capabilities.

Name

Gbt Wohnungsbau Und Treuhand AG

Legal name

Wohnungsbau und Treuhand AG

Website

https://gbt-trier.de

Company type

Private

Founded year

1899

Operating status

Operating

Headcount range

1–10 employees

Short description

Gbt Wohnungsbau und Treuhand AG is a 125-year-old Trier-based housing company that develops, owns, rents, and manages approximately 9,500 residential and commercial units, offering WEG administration, property valuation, utility billing, and in-house trades services via its gbt-Dienstleistungs-GmbH subsidiary.

Ownership category

akta.pro rank

Product category

Residential Real Estate Management

NAICS

Residential Property Managers (531311)

SIC

Lessors Of Real Property, Nec (6519)

akta.pro primary industry

Manufactured Housing / Mobile Home Park Management (BPAJAFAG)

akta.pro secondary industry

Building Automation & Controls (BAS/BMS) (HSAPAPAA)

Keywords

• Residential property management
• Social housing rental
• WEG property administration
• Real estate development
• Utility billing services

Headquarters

HQ city

Trier

HQ country

Germany

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Residential Rental Income: The company owns and manages approximately 9,500 residential and commercial units across Trier and surrounding area. Revenue is generated through monthly rental payments from tenants in owned properties.
2. Property Management and WEG Administration Fees: Third-party property management services for WEG communities and private/institutional property owners, including preparation of owner meetings, annual service charge calculations, and maintenance management.
3. Utility Metering and Billing Services: Self-operated submetering service for consumption-based allocation of heating, hot water, and cold water costs across managed properties. Revenue model based on service fees for reading and billing.
4. Property Valuation Services: Qualified property valuation services provided internally via DEKRA-certified appraiser Stefan Blankenberg (since September 2025), as well as through cooperation with Sachverständigenbüro Schieben. Offers full market value appraisals per § 194 BauGB, compact reports, and short-form market assessments.
5. In-house Maintenance and Handyman Services: The gbt-Dienstleistungs-GmbH subsidiary provides in-house trades services including plumbing, heating, air conditioning, electrical, flooring, tiling, plastering, and painting for the company's own properties and external clients.
6. Garden and Landscape Maintenance Services: Garden care and grounds maintenance services offered to external clients including the city of Trier, insurance companies, owner communities, and private property owners. Covers approximately 320,000 sqm of green areas.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

Gbt Wohnungsbau Und Treuhand AG (gbt) is a 125-year-old Trier-based housing company that owns, develops, and manages approximately 9,500 residential and commercial units across the region. The company provides property management, WEG (condominium owner community) administration, property valuation, submetering and utility billing, in-house maintenance trades, and garden/landscape services for both its own portfolio and external clients. It also develops new residential projects such as the Quartier Bethanien historic monastery conversion and the WohnRaum West timber-construction neighborhood.

Product overview

Gbt Wohnungsbau Und Treuhand AG is a traditional property management and housing company offering a unified portfolio of residential and commercial real estate services. Its core products include property administration and management (Wohnungsverwaltung), WEG & Hausverwaltung (owners' association and property management), Immobilienbewertung (property valuation), Abrechnungsservice (submetering and utility billing), and Gartenservice (garden/landscape management). The company operates the subsidiary gbt-Dienstleistungs-GmbH to deliver in-house trades services (plumbing, heating, electrical, painting), and runs residential development projects such as Quartier Bethanien (historic monastery conversion) and WohnRaum West (new-build timber construction). Neubau & Sanierung (new construction and modernization) rounds out the portfolio. Together these products and subsidiaries form an integrated housing management platform under the motto 'Miteinander wohnen – füreinander da sein.'

Differentiator

Problem solved

Functional benefit

Brands

• Quartier Bethanien: A historic monastery complex being converted into modern residential apartments in Trier-Kürenz, featuring 23 apartments between 35m² and 131m² with first occupancy planned for Summer 2026.

Products and services

• Wohnungsverwaltung und -bewirtschaftung (Property Management and Administration) Full-service property administration for the company's own approximately 9,500 residential and commercial units in Trier and surrounding area, including tenant relations, rent collection, maintenance coordination, lease management, and around-the-clock emergency response. Targeted at individual tenants and families seeking long-term rental housing.
• WEG- & Hausverwaltung (Owners' Association and Property Management) Professional property management for third-party WEG communities (Wohnungseigentümergemeinschaften) and private or institutional property owners, including preparation and moderation of owner meetings, annual and household expense statements, and operational management. The company holds certified property manager status under §26a WEMoG. Targeted at owner communities and property investors.
• Immobilienbewertung (Property Valuation) Qualified property valuation services for market value determination under §194 BauGB and ImmoWertV, including full traffic value expert opinions, compact reports, and short-form market price assessments. Targeted at property owners, buyers, sellers, and WEG communities.
• Abrechnungsservice (Submetering and Utility Billing Service) Self-operated consumption-based metering and heating cost billing service covering allocation of heat, hot water, and cold water costs across properties using in-house devices and Stadtwerke Trier's LoRaWAN IoT network. Targeted at WEG communities, property owners, and managed residential buildings.
• Gartenservice (Garden and Landscape Services) Professional garden and green space management services including tree care, lawn maintenance, new plantings, paving, and outdoor facility monitoring covering approximately 320,000 sqm. Offered to the City of Trier, insurance companies, WEG communities, and private multi-family property owners.
• gbt-Dienstleistungs-GmbH (In-house Trades and Handyman Services) Wholly-owned subsidiary providing in-house trades services including plumbing, heating, air conditioning, electrical work, flooring, tiling, plastering, and painting for the company's own properties and external clients. Targeted at property owners, housing companies, and WEG communities.
• Quartier Bethanien (Historic Monastery Conversion Project) New residential project in Trier-Kürenz involving the deconstruction, renovation, and restructuring of a historic monastery building into 23 individually planned apartments ranging from 35 to 131 sqm. Features include heat pump technology, photovoltaic systems, barrier-free access, and elevators. Priced from approximately €1,321 to €1,600 per month cold rent.
• WohnRaum West (New-Build Residential Project) New residential construction project in Trier-Euren consisting of row houses in serial timber construction with two apartments each for intergenerational living, plus a larger energy-efficient residential complex between the historic railway repair facility and former Jägerkaserne.
• Neubau & Sanierung (New Construction and Modernization) Planning, construction, and modernization of residential properties including urban development projects, heritage preservation, renovation, building supervision, and social housing construction supported by state funding programs.

Quantifiable outcome

• CO₂-neutral by 2035: comprehensive climate neutrality roadmap currently being developed with a 'worst first' prioritization approach
• +2 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Twelve partnerships are on record, tiered core and minor.

• Stadtwerke Trier (SWT)coreTechnology or IntegrationLong-term cooperation in the supply of heat, electricity, and gas under favorable supply contracts. gbt performs meter readings for SWT's general main meters annually. Additionally, gbt uses SWT's LoRaWAN IoT network for consumption data collection and evaluation of submetering devices in its properties.
• Krankenhaus der Barmherzigen Brüder Trier GmbHcoreStrategic or Co-development PartnerClose collaboration on innovative projects in elderly care and senior housing. Joint projects include a senior meeting center in Medard, new-build 'Wohnen mit Pflege' (housing with care) in Hetzerath, and Pflege- und Servicewohnen (nursing and service apartments) at Kloster Bethanien.
• Städtische Abfallwirtschaftsgesellschaft A.R.T.coreOthersA.R.T. handles waste collection across all gbt residential properties. A special 'Clean-Express' framework agreement includes a special bulky waste collection service beyond standard municipal services. After loading bulky waste, A.R.T. cleans the collection area.
• VodafoneminorOthersVodafone provides telecommunications infrastructure services for gbt residential properties, including fiber and cable connections under the immobillienwirtschaft.vodafone.de/bewohnerplus/ program.
• TelekomminorOthersTelekom provides fiber optic network services for gbt residential properties, supporting connectivity for tenants.
• GDW (Gesellschaft für Wohnen und Bauen mbH)minorOthersMembership in the GDW national housing industry association, representing and supporting the interests of German housing companies.
• VDW (Verband der Wohnungswirtschaft Südwest)minorOthersMembership in the regional housing industry association VDW Südwest, providing networking, best practice sharing, and industry representation.
• VTU – Vereinigung Trierer UnternehmenminorOthersMembership in the regional business association of Trier-based companies, supporting local economic development and networking.
• DESWOS (Deutsche Entwicklungs- und Soziale Stiftung)minorOthersPartnership with DESWOS, a German development and social foundation supporting affordable housing projects, reflecting gbt's social mission.
• Stiftung Kuratorium Kloster MattheisminorOthersPartnership with the Kloster Mattheis foundation under the DESWOS network, supporting social housing initiatives.
• Sachverständigenbüro Schieben (Stefan Blankenberg / Daniel Schieben)coreStrategic or Co-development Partnergbt cooperates closely with Sachverständigenbüro Schieben, led by former gbt Immobilienbewertung head Daniel Schieben. Stefan Blankenberg is gbt's own DEKRA-certified property appraiser since September 2025, providing internal valuation capacity while the Schieben office offers external independent valuations on a self-employed basis.
• Pflegegesellschaft St. Martin gGmbH TriercoreStrategic or Co-development PartnerPartnership with Pflegegesellschaft St. Martin gGmbH Trier alongside Barmherzige Brüder for senior living and care housing projects, including the Kloster Bethanien project.

Scale indicators9 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Vonovia SE: Europe's largest residential real estate company with over 500,000 German units; broad incumbent providing scale benchmark on rental operations, value-add services, and ESG retrofit strategy.
• LEG Immobilien AG: Largest listed residential company in North Rhine-Westphalia with roughly 165,000 units; broad incumbent comparable on portfolio services, modernization pipeline, and rent-regulation exposure.
• TAG Immobilien AG: Hamburg-listed residential specialist focused on B- and C-tier German cities; closest listed analog to gbt's mid-tier regional footprint, although strictly profit-oriented rather than social-mandated.
• Deutsche Wohnen SE: Major German residential landlord concentrated in urban markets; broad incumbent relevant for comparable exposure to rent caps, WEG management, and modernization capex cycles.

Direct peers

• GAG Immobilien AG: Cologne-based municipal housing company managing approximately 50,000 units with social mandate and full-service offering; directly comparable as a mid-to-large German municipal housing company serving a regional market with mixed affordable and market-rate rentals.
• SAGA Siedlungs-Aktiengesellschaft Hamburg: Hamburg's municipal housing company with over 130,000 units; largest German municipal housing operator and a benchmark peer on operating model, CO2 modernization roadmap, and integrated service delivery.
• WBM Wohnungsbaugesellschaft Berlin-Mitte mbH: Berlin municipal housing company with a multi-thousand-unit portfolio focused on affordable and inner-city housing; comparable as a public-mandate rental operator with significant stock undergoing modernization.
• GBG Mannheimer Wohnungsbaugesellschaft mbH: Mannheim municipal housing company managing around 20,000 units with in-house services and a public-mandate orientation; matches gbt's model of regionally rooted, mixed-tenure housing with broader service wrap.
• Nassauische Heimstätte Wohnungs- und Entwicklungsgesellschaft mbH: Hessen regional housing and development company with a portfolio of roughly 50,000 units; comparable business model (owned + managed units, social mission, modernization focus) and similar scale bracket to gbt.

Others

• Aareon AG: Leading European property-management software provider whose immoblue platform gbt already uses for rental applications; adjacent technology vendor that shapes gbt's digital operating layer and competitive benchmarking.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/gbt.Trier
• LinkedInlinkedin.com/company/gbt-wohnungsbau-und-treuhand-ag

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 Gbt Wohnungsbau Und Treuhand AG