ita Ingenieurgesellschaft für Technische Akustik mbH Beratende Ingenieure VBI

What ita Ingenieurgesellschaft für Technische Akustik mbH Beratende Ingenieure VBI does

ita Ingenieurgesellschaft für Technische Akustik mbH is a Wiesbaden-headquartered engineering consultancy specializing in building physics (Bauphysik) since 1974. The firm delivers consulting across six core disciplines: thermal building physics, building acoustics, room acoustics, sound immission protection, vibration protection, and building simulations (daylight, thermal via TAS, room acoustic/electroacoustic including STI). Its capabilities are anchored by an unusually comprehensive in-house testing infrastructure at Max-Planck-Ring 49 in Wiesbaden, including a Hallraum (reverberation room), two wall and two ceiling test stands, window and door test stands, a façade test stand, cavity/raised floor and suspended ceiling test facilities, flow resistance and impedance tube equipment, and field measurement tools (acoustic camera, blower-door with fog, thermography).

The firm's client base is concentrated among German and DACH-region enterprise, institutional, and public-sector clients undertaking high-specification construction projects — including Deutsche Börse (Eschborn, first German LEED-Platinum high-rise), AXA, Siemens Real Estate, dm-drogerie markt, EJOT, LSG Sky Chefs, the Central Bank of Azerbaijan, multiple German hospitals and universities, and Groß & Partner (FOUR Frankfurt). Services are delivered through direct B2B engagement on a project-based fee structure with no public pricing and no digital distribution channels. The firm states it has supervised more than 12,000 building physics projects across its 50+ year history and operates as a privately held, founder/management-owned GmbH under managing directors Markus Sahl and Georg Eöfer. In January 2026 the company relocated its headquarters to Borsigstraße 36 while retaining its testing facilities at Max-Planck-Ring 49.

Name

ita Ingenieurgesellschaft für Technische Akustik mbH Beratende Ingenieure VBI

Legal name

ita Ingenieurgesellschaft für Technische Akustik mbH

Website

https://ita.de

Company type

Private

Founded year

1974

Operating status

Operating

Headcount range

11–50 employees

Short description

ita is a Wiesbaden-based building physics engineering consultancy, founded in 1974, that provides thermal, acoustic, vibration, and simulation consulting for German and DACH-region enterprise, institutional, and public-sector construction projects.

Ownership category

akta.pro rank

Product category

Building Physics Engineering Consulting

NAICS

Architectural, Engineering, and Related Services (5413), Engineering Services (541330)

SIC

Services-Testing Laboratories (8734), Services-Engineering Services (8711)

akta.pro primary industry

Predictive/Condition-Based Maintenance (Vibration, Thermography, CBM) (BPABACAK)

akta.pro secondary industries

Testing, Adjusting & Balancing (TAB) & Performance Verification (BPABACAJ), Acoustic & Soundproofing Works (IMAFANAL)

Keywords

• Building physics consulting
• Acoustic engineering services
• Thermal building physics
• Vibration protection consulting
• Building acoustics measurement

Headquarters

HQ city

Wiesbaden

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Revenue generated from providing building physics engineering consulting services including thermal building physics, building acoustics, room acoustics, sound immission protection, vibration protection, and simulations. Project-based engagements with public and private sector clients in Germany and the DACH region.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

ita Ingenieurgesellschaft für Technische Akustik mbH is an engineering consultancy that delivers building physics services for construction projects. The firm provides consulting, laboratory component testing, and on-site measurement in the areas of thermal building physics, building acoustics, room acoustics, sound immission protection, vibration protection, and computer simulations (daylight, thermal, electroacoustic). Services support compliance with DIN standards, DGNB/LEED/BREEAM certifications, and energy-efficiency requirements for both new construction and renovation.

Product overview

ita is an engineering consulting firm specializing in building physics since 1974, offering a unified portfolio of acoustic and thermal consulting services. The core offerings include Thermische Bauphysik (Thermal Building Physics), Bauakustik (Building Acoustics), Raumakustik (Room Acoustics), Schallimmissionsschutz (Sound Immission Protection), Erschütterungsschutz (Vibration Protection), and Simulationen (Simulations). These services are supported by comprehensive laboratory testing facilities at their Max-Planck-Ring location including Hallraum, multiple Wall and Ceiling Test Stands, Window and Door Test Stands, Facade Test Stand, and on-site measurement services. The company has completed over 12,000 building physics projects across commercial, residential, hotel, healthcare, educational, and industrial sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Thermische Bauphysik (Thermal Building Physics) Engineering consulting for thermal insulation, energy efficiency, and heat transfer analysis in buildings, delivered to developers, architects, and facility owners on new construction and renovation projects.
• Bauakustik (Building Acoustics) Sound insulation consulting and measurements for building elements including walls, floors, doors, windows, and facades, supporting compliance with DIN 4109 and certification programs.
• Raumakustik (Room Acoustics) Acoustic design and optimization of interior spaces for speech intelligibility, reverberation time, and spatial sound distribution, serving theaters, lecture halls, offices, and conference venues.
• Schallimmissionsschutz (Sound Immission Protection) Noise emission forecasting and assessment for compliance with TA-Lärm regulations to protect surrounding areas from industrial, commercial, or facility-related noise pollution.
• Erschütterungsschutz (Vibration Protection) Vibration measurement and mitigation consulting to protect buildings and occupants from structural vibrations caused by rail, traffic, or industrial sources.
• Simulationen (Simulations) Daylight simulation, thermal simulation (TAS program), and room acoustic/electroacoustic simulations (including Speech Transmission Index for speech alarm systems) for building performance optimization.
• Messungen vor Ort (On-site Measurements) Field testing services including building acoustic measurements, sound emission/immissions measurements, room acoustics, blower door tests with fog experiments, thermography, vibration measurements, and acoustic camera leak detection, performed at client project sites.

Quantifiable outcome

• Over 12,000 building physics projects supervised across Germany and internationally since 1974.
• +3 more outcomes

Named customers20 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature16 records

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Sweco AB: European engineering consultancy with building physics and acoustics services across its Northern European footprint — broader and more diversified than ita, but competes for similar building certification and acoustic verification engagements.
• AFRY (ÅF Pöyry): European engineering and design consultancy with acoustics and building physics capabilities across infrastructure and real-estate projects — overlaps with ita on large real-estate and industrial mandates but operates at much greater scale with multi-disciplinary delivery.
• Arup Group: Global multidisciplinary engineering firm with a substantial acoustics, building physics, and vibration consultancy practice — competes for high-profile sustainable building mandates (LEED, BREEAM, WELL) similar to those in ita's portfolio, but as part of a much wider service portfolio.

Direct peers

• Graner + Partner Ingenieure: Bergisch Gladbach-based engineering consultancy providing building acoustics, room acoustics, and immission protection — closely comparable niche focus and client types to ita, with on-site measurement capabilities.
• Müller-BBM Group: Large German engineering consultancy headquartered in Planegg near Munich, specializing in acoustics, building physics, vibration, and environmental noise — the closest large-scale direct peer to ita in the German Bauphysik market, with overlapping service lines and customer segments (developers, architects, public sector).
• ACCON GmbH: German engineering firm offering building physics, acoustics, vibration and measurement services with multiple German offices — broader geographic footprint than ita but overlapping disciplines and customer segments.
• Köhler + Partner Ingenieure: Stuttgart-based German engineering consultancy specializing in building physics, energy consulting, and acoustics — directly comparable SME peer to ita serving developers, architects, and corporate clients in southern Germany.
• Kurz und Fischer GmbH: German engineering consultancy focused on building physics (Wärmeschutz, Schallschutz, Feuchteschutz), directly overlapping with ita's Thermische Bauphysik and Bauakustik services for residential and commercial developers.
• Wölfel Engineering GmbH + Co. KG: German engineering firm specializing in structural dynamics, vibration protection, building acoustics, and immission control — directly comparable to ita's Erschütterungsschutz and Bauakustik practices, serving similar industrial and infrastructure clients in DACH.

Emerging players

• Rowan Williams Davies & Irwin (RWDI): Global engineering consultancy specializing in building physics, acoustics, and wind/environmental engineering — comparable technical disciplines to ita but with a much broader international footprint and a different (larger-firm) operating model.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/ita-ingenieurgesellschaft-f%C3%BCr-technische-akustik-mbh-beratende-ingenieure-vbi

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 ita Ingenieurgesellschaft für Technische Akustik mbH Beratende Ingenieure VBI