What TM Ausbau does

TM Ausbau GmbH is a Munich-headquartered general contractor specializing in interior construction and fit-out services across Germany and Austria. Founded on May 30, 1963 by Hans Bommer as Trockenbau München GmbH and rebranded to TM Ausbau GmbH in 2013, the company operates through 12 regional offices and employs approximately 330 people. Its capabilities span drywall construction (Trockenbau), tenant fit-out (Mieterausbau), building revitalization (Bauen im Bestand), custom furniture manufacturing (Möbelbau), floor systems (raised, hollow, dry hollow, and control-room floors), and heating/cooling ceiling solutions (climatt, acquired via PMS Systemtechnik in 2014). The company also offers circular construction consulting (Beratung Zirkuläres Bauen), reflecting an explicit sustainability orientation.

TM Ausbau generates revenue through project-based contracts with commercial, public-sector, and corporate clients, acting as a single-source general contractor from planning through turnkey delivery. Pricing is quote-based and varies with project scope, complexity, materials, and timeline; contracts can span multiple years. In 2024, the company reported €149 million in revenue across 238 completed orders and 162 customers. Its named reference portfolio spans enterprise clients (WPP Campus Mizal in Düsseldorf, Rosewood Munich, iCampus Werksviertel in Munich, WACKER House, CeTraMed Jena, HAVENS LIVING Frankfurt), hospitality, education, healthcare, and public infrastructure. Sales are driven by 12 regional field teams engaging property developers, architects, and corporate real estate managers, supplemented by public-sector tenders under VOB procurement rules and an active Nachunternehmer subcontractor program.

The company has been foundation-controlled since 2011 under the Barbara Bommer Stiftung, providing long-term ownership stability and independence from external capital. It holds industry credentials including RAL Gütezeichen Trockenbau, PQ VOB prequalification for public tenders, DGNB membership, and WE Impact Level 1 sustainability certification. Management consists of a four-person executive team (CEO Andreas Hofbauer, COO Roland Härtl, CFO Thomas Pfeiffer, CSO Harald Seidl), with Hofbauer's contract extended through 2033. TM Ausbau is privately held with no public listing or external institutional investors disclosed.

Name

TM Ausbau

Legal name

TM Ausbau GmbH

Website

https://tm-ausbau.eu

Company type

Private

Founded year

1963

Operating status

Operating

Headcount range

101–250 employees

Short description

TM Ausbau GmbH is a German foundation-controlled general contractor delivering drywall, tenant fit-out, building revitalization, custom furniture, floor systems, and heating/cooling ceiling solutions through 12 regional offices in Germany and Austria for commercial, public-sector, and corporate clients.

Ownership category

akta.pro rank

Product category

Interior Construction Services

NAICS

Drywall and Insulation Contractors (23831), Plumbing, Heating, and Air-Conditioning Contractors (23822)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540), Millwood, Veneer, Plywood, & Structural Wood Members (2430)

akta.pro primary industry

Drywall, Partitions & Suspended Ceilings (IMAFANAG)

akta.pro secondary industries

Joinery, Millwork & Casework Installation (Cabinetry, Built-Ins) (IMAFANAJ), HVAC & Refrigeration Contracting (IMAFALAB)

Keywords

• Interior construction services
• Drywall construction
• Tenant fit-out
• Building renovation
• Custom furniture manufacturing

Headquarters

HQ city

Puchheim

HQ country

Germany

HQ region

Europe

Offices12 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales, Others

Revenue model

1. General Construction / Generalunternehmer: TM Ausbau acts as a general contractor for interior construction and fit-out projects, providing comprehensive services from planning through turnkey delivery. Revenue is generated through project-based contracts for commercial, public, and industrial clients across Germany and Austria.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

TM Ausbau is a general contractor for interior construction and fit-out projects in Germany and Austria, delivering turnkey services from planning through handover. Core offerings span Bauen im Bestand (building revitalization), Innenausbau (drywall/interior construction), Mieterausbau (tenant fit-out), Möbelbau (custom furniture manufacturing), Beratung Zirkuläres Bauen (circular construction consulting), and Bodensysteme (floor systems including raised, hollow, and switchgear floors). The climatt heating/cooling ceiling product line, acquired in 2014 via PMS Systemtechnik, is integrated into projects.

Product overview

TM Ausbau offers a unified portfolio of interior construction and fit-out services, comprising four core offerings: Bauen im Bestand (building renovation/revitalization), Innenausbau (interior finishing), Mieterausbau (tenant fit-out), and Möbelbau (custom furniture). The company also provides specialized Beratung Zirkuläres Bauen (circular construction consulting) and Bodensysteme (floor systems) as distinct service modules. These services are delivered through a network of 12 regional locations across Germany and Austria, with the company acting as a general contractor for turnkey projects from planning through execution.

Differentiator

Problem solved

Functional benefit

Brands

• TBM Innenausbau: Austrian subsidiary company specializing in interior construction services, based in Wals near Salzburg.
• TM Build
• climatt®

Products and services

• Bauen im Bestand (Building Revitalization) Revitalization of existing properties to create versatile, future-ready buildings that endure generations, incorporating ecological, technical, and economic aspects. Includes energy-efficient upgrades, structural adaptations, and sustainable design aligned with LEED and DGNB certification pathways.
• Innenausbau (Interior Construction) Complete interior finishing services covering ceilings, floors, walls, doors, surface treatments, and flexible partition wall systems, including fire protection and soundproofing, up to turnkey delivery. Delivered as a general contractor.
• Mieterausbau (Tenant Fit-out) Tenant fit-out services for offices including individual consulting, comprehensive planning, design, workspace organization, occupancy planning, and turnkey execution, with tight timelines to support on-time move-in.
• Möbelbau (Custom Furniture Manufacturing) Custom furniture manufacturing combining interior expertise with function and design, using high-quality materials for long-lasting pieces. Includes furniture, paneling, lighting systems, and decorative objects for commercial and corporate interiors.
• Beratung Zirkuläres Bauen (Circular Construction Consulting) Consulting service to help clients realize sustainable real estate projects through circular construction principles, supporting material reuse, lifecycle thinking, and sustainability certification pathways.
• Bodensysteme (Floor Systems) Comprehensive floor system solutions including raised floors, hollow floor systems, dry hollow floors, and switchgear/control room floors, with integrated cable management, heating systems, and acoustic solutions. Planning, installation, and service included.
• climatt Heiz- und Kühldecken (Heating and Cooling Ceiling Systems) Cooling and heating ceiling solutions integrated into interior construction projects, providing thermal comfort for commercial and public spaces. The climatt product line was acquired through the purchase of PMS Systemtechnik GmbH in 2014.

Quantifiable outcome

• 149 Mio. € revenue in 2024
• +5 more outcomes

Named customers11 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

21 partnerships are on record, tiered core and minor.

• PMS Systemtechnik GmbH (Hadamar)coreStrategic or Co-development Partner · 1 January 2021TM Ausbau acquired PMS Systemtechnik GmbH based in Hadamar in 2021, expanding its portfolio to include cooling and heating ceiling solutions (climatt product line). This acquisition enabled TM Ausbau to integrate thermal comfort systems into its interior construction offering.
• KnaufminorOthersMaterial supplier partner featured in the partner logos section of the company website.
• Rigips (Saint-Gobain)minorOthersMaterial supplier partner featured in the partner logos section of the company website.
• SchörghuberminorOthersMaterial supplier partner featured in the partner logos section of the company website.
• Baustoff-MetallminorOthersMaterial supplier partner featured in the partner logos section of the company website.
• OWAminorOthersAcoustic ceiling and floor solutions supplier partner.
• HörmannminorOthersDoor and hardware solutions supplier partner.
• WürthminorOthersFastening systems and construction hardware supplier.
• HiltiminorOthersConstruction tools and systems supplier.
• NeuformminorOthersDoor system solutions partner.
• FSB (Franz Schneider Brakel)minorOthersArchitectural hardware and door fitting solutions supplier.
• Deutsche Gesellschaft für Nachhaltiges Bauen (DGNB)minorOthersIndustry association membership. TM Ausbau is a member of the DGNB, supporting sustainable building standards in Germany.
• Verein zur Förderung innovativer Bauweisen im Innenausbau e.V.minorOthersIndustry association membership promoting innovative construction methods in interior finishing.
• Deutschland baut!minorOthersIndustry initiative membership promoting the German construction sector.
• Bundesverband in den Gewerken Trockenbau und Ausbau e.V. (BIG)minorOthersTrade association membership for drywall and fit-out trades in Germany.
• Bauindustrieverband Ost e. V.minorOthersConstruction industry association for eastern Germany.
• planen bauen 4.0minorOthersDigitalization in construction initiative membership.
• Stahl-InformationszentrumminorOthersSteel information center membership.
• Handwerkskammer München – Bauinnung MünchenminorOthersChamber of Crafts Munich – Construction Guild Munich membership, supporting the skilled trades.
• RAL Gütezeichen TrockenbauminorOthersTM Ausbau holds the RAL Quality Mark for Drywall Construction, a recognized quality certification in the German construction industry.
• Präqualifikation VOB (PQ VOB)minorOthersPre-qualification for public procurement (VOB), enabling TM Ausbau to bid on public construction tenders.

Scale indicators7 records

Recent moves11 records

Expansion highlights2 records

Direct peers

• Lindner Group: Lindner Group is a German family-owned interior fit-out and building services specialist offering drywall, ceilings, floors, doors, and integrated interior solutions across Europe. It is the closest scaled comparison to TM Ausbau in terms of service breadth and customer base.

Broad incumbents

• Goldbeck: Goldbeck is a leading German construction company specializing in commercial building construction and refurbishment using industrialized, system-based approaches. It serves similar enterprise and public-sector clients with a broader portfolio that includes new-build general contracting alongside renovation work.
• Hochtief: Hochtief is one of Germany's largest construction groups, providing commercial building, infrastructure, and public-sector construction services. While much larger and more diversified than TM Ausbau, it competes for the same large enterprise and public-sector fit-out and renovation contracts.
• Bilfinger: Bilfinger is a major German industrial services and building services provider covering maintenance, retrofit, and interior construction for industrial and commercial clients. It overlaps with TM Ausbau in commercial fit-out and revitalization work, particularly for industrial and process-sector clients.
• Strabag: Strabag is a large European construction group headquartered in Austria with significant German operations, providing building construction, civil engineering, and interior fit-out services. It competes for the same public and enterprise construction contracts as TM Ausbau in the DACH region.
• Zech Group: Zech Group is a German family-owned construction company providing commercial building construction, interior fit-out, and real estate services across Germany. It serves similar enterprise and public-sector clients and competes for mid- and large-scale interior fit-out projects.
• ENGIE Deutschland: ENGIE Deutschland is a major German provider of facility management, energy services, and building services including HVAC and interior fit-out work. It competes with TM Ausbau on integrated building solutions for enterprise and public-sector clients in Germany.

Others

• Saint-Gobain Rigips: Saint-Gobain Rigips is the leading German manufacturer of gypsum board and drywall systems and a material supplier partner of TM Ausbau. Although it operates upstream in drywall materials rather than installation, it shapes the competitive landscape for drywall contractors in Germany.
• Knauf: Knauf is one of the world's largest manufacturers of building materials including gypsum boards, insulation, and ceiling systems, and a material supplier partner of TM Ausbau. It is adjacent rather than directly competing, but its product offering overlaps with TM Ausbau's installation scope.

Regional players

• SchwörerHaus: SchwörerHaus is a German prefabricated building manufacturer and construction services provider focused on residential and commercial projects. While primarily residential and prefab-focused, it operates in the German construction market and is comparable in terms of DACH regional presence and craft execution.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/tm-ausbau-gmbh
• Instagraminstagram.com/tm_ausbau
• Facebookfacebook.com/TM-Ausbau-218288728607987

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries3 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 TM Ausbau