Seria Immobilien & Treuhand

What Seria Immobilien & Treuhand does

Seria Immobilien & Treuhand GmbH is an Austrian property management company headquartered at Hartenaugasse 8 in Graz, operating as one of the largest private real estate service providers in Styria. The company delivers kaufmännische (commercial) and technische (technical) property administration for residential and mixed-use properties across approximately 14 Austrian cities spanning Styria, Upper Austria, Salzburg, Vienna, and Carinthia, with a portfolio organized by individual property (Objekt) and serviced by dedicated administrator-assistant tandems supported by an in-house accounting function. Its service offering also includes legal consulting on Austrian tenancy law (MRG) and condominium ownership law (WEG), early-stage advisory for real estate developers (Bauträger), and a set of basic online self-service forms for tenants covering damage reporting, key requests, and data changes.

The company operates on a recurring subscription-style fee model billed monthly, with pricing negotiated individually based on property size and scope of services and not publicly disclosed. Its go-to-market is sales-led and relationship-driven, anchored by the seria.at website, local SEO presence, and social media channels, with direct delivery through the Graz headquarters office, phone, email, and online forms. Technology is limited to standard off-the-shelf property management software; no proprietary platform, API, or AI capability is disclosed.

Seria is part of the Hohenberg Gruppe, whose holding entity is Austria Handel & Treuhand Gesellschaft under principal Dr. Reinhard Hohenberg. Sister entities include WEGRAZ (real estate development since 1974), GSL Gemeinnützige Bauvereinigung (non-profit housing since 2004), and Wohnreich Immobilienverwertung (brokerage), providing a structural pipeline across the development-to-management value chain. The firm is led by Managing Director Ulrike Fabian, employs 14 staff across management, administration, accounting, and technical roles, and is privately held with no external funding, no ticker, and no public revenue disclosure.

Name

Seria Immobilien & Treuhand

Legal name

Seria Immobilien & Treuhand GmbH

Website

https://seria.at

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

11–50 employees

Short description

Seria Immobilien & Treuhand GmbH is a Graz-based private property management firm serving residential and commercial owners across roughly 14 Austrian cities, delivering commercial and technical administration, legal advisory, and tenant self-service tools as part of the Hohenberg Gruppe.

Ownership category

akta.pro rank

Product category

Residential Property Management

NAICS

Real Estate Property Managers (53131), Residential Property Managers (531311)

SIC

Real Estate Agents & Managers (For Others) (6531), Real Estate (6500)

akta.pro industry

PRIMARYBPAJAGAE

Mixed-Use Property Management

Business & Public Services/Real Estate Services (Brokerage, Property Management)/Commercial Property Management

Keywords

• Residential property management
• Commercial property administration
• Real estate services
• Tenancy law advisory
• Building maintenance coordination

Headquarters

HQ city

Graz

HQ country

Austria

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Property Management Services: Ongoing property management fees for commercial (kaufmännische) and technical administration of residential and commercial properties. Services include property administration, maintenance coordination, insurance management, and legal advisory services.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Seria Immobilien & Treuhand GmbH provides professional property management services for residential and commercial properties across Austria. The core offering consists of commercial (kaufmännische) property management covering economic planning, insurance solutions, and subsidy optimization, combined with technical (technische) property management including building inspections, repairs, and renovations. The company serves as the first point of contact for both property owners and tenants across managed properties.

Product overview

Seria Immobilien & Treuhand GmbH offers a unified property management platform for residential properties in Styria, Austria. The core offering consists of kaufmännische (commercial) and technische (technical) property management services, supplemented by legal consulting, developer services, and online self-service tools. The service is organized around individual properties (Objekte), with dedicated administrator-assistant tandems providing personalized management. Clients access services through downloadable forms for damage reporting, key requests, and data updates, complemented by informational resources on energy efficiency and house rules. The company operates as one of the largest private real estate service providers in Styria, managing hundreds of properties across multiple Austrian cities.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial Property Management (Kaufmännische Hausverwaltung) Commercial property management services covering economic planning, repair and renovation planning, insurance solutions, and subsidy optimization for residential and commercial properties. Designed for property owners seeking professional financial and administrative oversight of their real estate holdings.
• Technical Property Management (Technische Verwaltung) Technical property management focused on preserving and sustainably improving building substance through inspections, repairs, and renovations using a network of trade and construction companies. Targeted at property owners needing expert oversight of the physical condition of their buildings.
• Legal Advisory (Rechtsberatung) Legal consulting services delivered with experienced partners specializing in Austrian tenancy law (MRG) and condominium ownership law (WEG). Targeted at property owners and tenants requiring legally compliant guidance on rental and ownership matters.
• Developer Services (Leistungen für Bauträger:innen) Services for real estate developers including free initial consultation on cost savings and construction optimizations during project planning, and management of builder property handover. Targeted at developers undertaking new construction projects seeking early involvement of property management expertise.
• Rental Management (Schubverwaltung) Rental management service taking over responsibility and work related to tenants on behalf of property owners. Targeted at property owners who want to outsource day-to-day tenant interactions and lease administration.

Quantifiable outcome

• Legal compliance guaranteed through specialized focus on Austrian rental law (MRG) and apartment ownership law (WEG)

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Four partnerships are on record, tiered core.

• WEGRAZ Gesellschaft für Stadterneuerung und Assanierung m.b.H.coreStrategic or Co-development PartnerReal estate development company within the Hohenberg Gruppe, specializing in urban renewal and redevelopment. Since 1974, WEGRAZ has completed over 300 projects with renowned architects including Zaha Hadid, Ernst Giselbrecht, and Hermann Eisenköck. Together with Seria, they cover the full real estate value chain from development through management.
• GSL Gemeinnützige Bauvereinigung GmbHcoreStrategic or Co-development PartnerNon-profit housing association that has been creating living and community space at fair conditions since 2004. GSL revitalizes old buildings, realizes new construction projects, and provides space for social facilities, complementing Seria's property management services with affordable housing development.
• Wohnreich Immobilienverwertungs GmbHcoreStrategic or Co-development PartnerReal estate marketing company serving as the interface between property owners and prospective buyers/tenants. Wohnreich markets both their own properties and third-party real estate in the residential and commercial sectors, providing a complete offering from property search through to ongoing management.
• Austria Handel & Treuhand Gesellschaft (Holding)coreOthersHolding company of the Hohenberg Gruppe. Dr. Reinhard Hohenberg remains actively involved in the holding company. This corporate structure provides strategic oversight and coordination for all group companies.

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• IMMOFINANZ AG: Major Austrian/European real estate company operating residential and commercial property portfolios with in-house management. Comparable to Seria in property administration functions, though significantly larger and operating across multiple European markets.
• S IMMO AG: Vienna-listed real estate investment company managing residential and commercial properties across Austria and CEE. Comparable as a property manager and operator at scale, though structured as a publicly listed investment vehicle rather than a private service firm.
• BUWOG Group (Vonovia Austria): One of Austria's largest residential property owners and managers, now part of Vonovia. Comparable as a broad incumbent offering property management at national scale, though significantly larger and more residential-focused than Seria.
• Raiffeisen Immobilien Österreich: Real estate services arm of the Raiffeisen banking group in Austria, offering brokerage, valuation, and property management across multiple states. Comparable to Seria in property management services and broad Austrian geographic footprint.
• EHL Immobilien GmbH: Leading Austrian real estate services group covering brokerage, property management, valuation, and investment advisory. Comparable to Seria in property management and brokerage services, with broader service breadth across Austria including Vienna and Styria.

Direct peers

• Spiegelfeld Immobilien GmbH: Austrian real estate services firm offering property management, brokerage, and consulting. Comparable to Seria in core service mix and target customers, operating as a mid-sized private Austrian property management firm.
• Ottmann & Partner Immobilientreuhand GmbH: Austrian property management and real estate trustee firm offering kaufmännische and technische Hausverwaltung. Comparable to Seria in core service mix, Austrian regional focus, and B2B service model targeting Eigentümer:innen and Mieter:innen.
• ÖRAG Österreichische Realitäten AG: One of Austria's largest property management and brokerage firms, offering residential and commercial Hausverwaltung across multiple Austrian states. Directly comparable to Seria in service scope, target customer (property owners/tenants), and geographic focus.
• IC Immobilien Holding GmbH: Austrian property services group offering Hausverwaltung, brokerage, and facility management across Austria. Comparable to Seria as a private Austrian property management competitor with overlapping service offerings and multi-state coverage.

Regional players

• Hausverwaltung Reichel GmbH: Austrian regional property management firm offering kaufmännische and technische Hausverwaltung with focus on Styria and surrounding regions. Comparable to Seria in service offerings, geographic concentration in the same Austrian regional market, and private mid-sized firm profile.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Seria Immobilien & Treuhand