IGK

What IGK does

IGK Ingenieurgesellschaft Klein mbH is a German structural engineering (Tragwerksplanung) firm headquartered in Pfarrkirchen, Bavaria. Founded in 1972 by Theodor Klein as a one-person 'Ingenieurbüro für Bauwesen mit Schwerpunkt Tragwerksplanung,' the firm has grown to approximately 50 employees supported by six offices across Germany (Pfarrkirchen HQ plus branches in Berlin, Frankfurt, and Munich), Austria (St. Johann in Tirol, operated via the IGK Niederlassung Österreich ZT-Gesellschaft subsidiary), and Romania (Timisoara, operated via SC IGK SRL). Across more than 50 years, the firm reports over 4,300 completed projects.

The company's offering is organized as integrated construction planning: from initial consultation and concept development through structural engineering, construction management (Bauleitung), fire protection concepts (Brandschutz), building services engineering (Versorgungstechnik), appraisal and renovation (Begutachtung & Sanierung), and a specialized industrial thermography service (Industriethermografie) used for ESG-certified building analysis and process monitoring. Underlying technology consists of CAD systems, computer-aided economic calculations across all planning phases, and in-house developed task-specific structural analysis software. The firm positions itself as a single point of contact spanning concept through construction, coordinating all disciplines internally rather than subcontracting.

Revenue is generated on a project-based professional services model, billing fees for consulting, concept development, structural planning, construction supervision, and expert assessments on a per-project basis. The client base is concentrated in enterprise accounts across retail (Kaufland, IKEA, Lidl), automotive (BMW, MAN), chemicals (Wacker Chemie, Clariant), real estate development (Dawonia, IMMAGO, NH Immobilien, and many Munich/Berlin/Hamburg developers), and public-sector clients (Landkreis Rottal-Inn, Stadt Eggenfelden). Marketing is primarily direct, supplemented by a Wix-hosted website and LinkedIn/Facebook presence. The company remains founder-owned, with Theodor Klein serving as Managing Director alongside Michael Page (Dipl.-Ing. (FH)).

Name

IGK

Legal name

IGK Ingenieurgesellschaft Klein mbH

Website

https://igk-klein.de

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

51–100 employees

Short description

IGK Ingenieurgesellschaft Klein mbH is a 52-year-old German structural engineering firm (Tragwerksplanung) with ~50 employees across six offices in Germany, Austria, and Romania, providing integrated planning, construction management, fire protection, and renovation services to enterprise clients in retail, automotive, real estate, chemicals, and public sectors.

Ownership category

akta.pro rank

Product category

Structural Engineering Services

NAICS

Engineering Services (541330)

SIC

Services-Engineering Services (8711), General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

akta.pro secondary industries

Hard Services (MEP/HVAC, Electrical, Plumbing) (BPABAAAA), Predictive/Condition-Based Maintenance (Vibration, Thermography, CBM) (BPABACAK), Security, Safety & Fire/Life Safety Management (BPABAAAE)

Keywords

• Structural engineering services
• Construction planning
• Building services engineering
• Fire protection consulting
• Industrial thermography

Headquarters

HQ city

Pfarrkirchen

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Professional services revenue from structural engineering, construction management, fire protection, building services, and industrial thermography. Services billed on project basis with fees for consulting, concept development, planning, construction supervision, and expert assessments.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

IGK Ingenieurgesellschaft Klein mbH is an engineering consultancy providing integrated structural engineering (Tragwerksplanung) and construction management services from initial concept through construction completion. Core offerings span consulting and concept development, structural and design planning, construction site supervision (Bauleitung), expert assessment and renovation, fire protection concepts and building services engineering (HVAC/plumbing/electrical), and industrial thermography for residential, commercial, industrial, and governmental construction projects.

Product overview

IGK Ingenieurgesellschaft Klein mbH is an engineering firm providing integrated planning and construction services with core competency in structural engineering (Tragwerksplanung). The company operates as a unified service offering rather than a product platform. Its portfolio spans consulting, concept development, structural planning, construction management, appraisal and renovation, fire protection, and building services engineering. Specialized offerings include industrial thermography. Projects range from residential buildings and commercial construction to large-scale industrial facilities, executed across the DACH region and Europe.

Differentiator

Problem solved

Functional benefit

Products and services

• Beratung, Konzeptfindung & Planung (Consulting, Concept Development & Planning) Engineering consultation, concept development, and structural planning services integrating statics, economics, aesthetics, and functionality for construction projects of all scales.
• Bauleitung (Construction Management & Site Supervision)
• Begutachtung & Sanierung (Structural Assessment & Renovation)
• Brandschutz & Versorgungstechnik (Fire Protection Concepts & Building Services Engineering)
• Gewerbebau (Commercial Construction Services)
• Wohnbau (Residential Construction Services)
• Entwurfsplanung (Design Planning)
• Industriethermografie (Industrial Thermography)

Quantifiable outcome

• Over 4,300 completed projects in over 50 years of operation
• +1 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

Feature1 record

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Ramboll Group: International engineering, architecture, and consultancy firm with significant German operations; broader portfolio but competes directly on structural engineering for large commercial and industrial buildings.
• Sweco Group: European engineering and architectural consultancy with German offices; competes in structural and building services engineering for commercial and industrial real estate projects.
• Arup Group: Global engineering consultancy with deep German presence offering multidisciplinary engineering, structural design, and project advisory; competes with IGK on flagship commercial and industrial commissions but at much larger scale.
• Buro Happold: International engineering consultancy with German practice; competing for high-profile complex buildings where IGK also bids, particularly mixed-use commercial and large-format retail.

Direct peers

• Schlaich Bergermann Partner (SBP): Stuttgart-based structural and civil engineering consultancy with German and international offices; competes for large-scale and architecturally ambitious projects similar to IGK's Bavaria Towers and high-end commercial work.
• ZPP Ingenieure: German mid-sized structural and civil engineering firm headquartered in Bochum; comparable DACH-focused Tragwerksplanung practice working across residential and commercial construction.
• Werner Sobek Group: German engineering firm specializing in structural design, facade engineering, and sustainability consulting for complex buildings; similar integrated planning philosophy and high-profile project portfolio.
• Ingenieurgruppe Bauen: Baden-Württemberg/Germany-based engineering consultancy offering Tragwerksplanung, construction management, and building services across residential, commercial and industrial segments — direct mid-market competitor.
• Domino Ingenieure: German engineering office offering structural design, building services, and fire protection — direct overlap with IGK's expanded service portfolio and similar Mittelstand positioning.
• Bollinger + Grohmann: Frankfurt-based structural engineering consultancy with comparable service depth in Tragwerksplanung, building services integration, and complex commercial/industrial projects across DACH, with similar large-enterprise client base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/igkklein
• LinkedInlinkedin.com/company/igk-ingenieurgesellschaft-klein-mbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries2 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 IGK