This selection of German architecture and planning firms includes established companies and larger engineering groups. ACO Group designs and manufactures drainage systems, while Dorsch Gruppe offers consulting and engineering for transport, water, and architecture. WAREMA Renkhoff SE specializes in sun protection products, and Julius Berger International GmbH provides integrated design and project management.
The companies listed are primarily medium-sized to large firms, with a significant number founded in the mid-20th century. A notable concentration of headquarters is observed in major German cities such as Frankfurt, Berlin, Hamburg, and Düsseldorf, indicating a broad geographic spread of expertise across the country.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 1,116 | ||||
| 2 |
Dorsch Gruppedorsch.com
An innovative consulting and engineering partner with a focus on transport, water, architecture, energy, and industry projects globally |
1,001 | |||
| 3 |
Planungsbüro
Passionate about planning and organization, this company specializes in providing strategic and innovative solutions to meet client needs |
864 | |||
| 4 |
WAREMA Renkhoff SEwarema.com
European leader in technical sun protection products, offering indoor and outdoor solutions, smart controls, enhancing comfort and energy efficiency in buildings. |
612 | |||
| 5 |
Julius Berger International GmbHjulius-berger-int.com
A large engineering firm providing integrated design, engineering, construction and project management services in the Rhine-Main metropolitan region with over 300 employees |
533 | |||
| 6 |
INROS LACKNER SEinros-lackner.de
A company with over 85 years of experience in engineering and architectural solutions, offering specialized services and comprehensive guidance to ensure project success |
523 | |||
| 7 |
HafenCity Universität Hamburg (HCU)hcu-hamburg.de
A university in Hamburg combining design, engineering, and social sciences for construction and urban development, offering interdisciplinary research and teaching |
479 | |||
| 8 |
gmp von Gerkan, Marg and Partners Architectsgmp.de
A global architectural practice with over 50 years of experience, specializing in projects of all scales across various cultural contexts worldwide |
434 | |||
| 9 | 420 | ||||
| 10 |
KREBS+KIEFER Ingenieure GmbHkuk.de
The company specializes in creating sustainable infrastructure and buildings, providing engineering services, and focusing on innovation and responsibility for over 70 years |
389 | |||
| 11 |
HPP Architekten GmbHhpp.com
A leading architectural partnership offering a full range of services, with a global team of 530 specialists and 13 offices worldwide Specializing in innovative and timeless design |
365 | |||
| 12 |
Vermögen und Bau Baden-Württembergvermoegenundbau-bw.de
The state-owned agency in Baden-Württemberg provides expertise and services for all matters related to state-owned real estate properties |
349 | |||
| 13 |
Vössing Ingenieurgesellschaft mbHvoessing.de
A leading consulting firm in Germany specializing in construction and transportation engineering services, offering a wide range of expertise and full-service solutions globally |
338 | |||
| 14 |
Lindschultelindschulte.de
The Lindschulte-Ingenieurgruppe is an independent planning and consulting company in the construction industry, offering a wide range of services |
321 | |||
| 15 | 
Bertrandt Ingenieurbüro GmbH
Architecture and planning company based in Cologne, Germany, specializing in innovative engineering solutions |
319 | |||
| 16 |
Assmann Beraten + Planenassmann.info
A leading German planning and consulting company, part of the BKW Engineering Network, specializing in general planning for complex construction projects |
302 | |||
| 17 |
GAUFF GmbH & Co. Engineering KGgauff.net
The company provides engineering, procurement, and project management services for complex infrastructure projects, ensuring efficient implementation and reliable consulting |
284 | |||
| 18 |
Algeco GmbHalgeco.de
A leading provider of modular space solutions, offering rental and purchase options for temporary and permanent buildings with a focus on quality, efficiency, and service |
272 | |||
| 19 | 237 | ||||
| 20 |
designfunktiondesignfunktion.de
Germany's leading workspace consulting and design company, dedicated to creating effective environments that enable individuals to reach their full potential |
208 | |||
| 21 |
WTM Engineers GmbHwtm-engineers.de
An independent engineering firm with offices in Hamburg, Berlin, Munich, and Copenhagen, committed to shaping the future with bold ideas |
205 | |||
| 22 |
LEICHT Küchen AGleicht.com
Manufacturer of premium kitchens, global brand. Designs modern kitchen architecture, market leader in high-end segment, with new assembly plant for continued growth. |
203 | |||
| 23 |
LAVAl-a-v-a.com
Incorporating future technologies and natural patterns, this architectural firm creates sustainable and innovative designs using digital workflow and fabrication technologies |
196 | |||
| 24 |
Gerber Architektengerberarchitekten.de
With 50 years of experience, we offer expertise in architecture, interior design, engineering, and surveying for various projects worldwide |
182 | |||
| 25 |
Wenzel + Wenzelwenzel-wenzel.com
Specializing in architectural services for complex and creatively challenging building projects, with a focus on project phases 5 to 9 |
173 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
iwb Ingenieurelinktr.ee
Independent consulting and planning firm specializing in construction and real estate, offering a wide range of services including project management, engineering, and architectural design |
165 | |||
| 27 |
OWA - Odenwald Faserplattenwerk GmbHowa.de
Innovative ceiling solutions provider with 70 years of experience, delivering optimal room acoustics and design for various industries globally |
163 | |||
| 28 |
IPROconsult GmbHiproconsult.com
Interdisciplinary teams design and secure future-oriented buildings, energy systems, infrastructure, and landscapes using BIM for sustainable, modern construction projects. |
163 | |||
| 29 |
AS+P Albert Speer + Partner GmbHas-p.de
AS+P is an interdisciplinary team of architects, urban planners, landscape architects, and engineers, designing projects worldwide from large-scale planning to detailed architecture with a focus on sustainability and innovation |
161 | |||
| 30 |
RIVA Engineeringrivagmbh.de
Specializing in high-quality metal and glass façade structures, this company designs and constructs prestigious international projects with an emphasis on functionality, aesthetics, and ecology |
161 | |||
| 31 |
Nickl & Partner Architektennickl-partner.com
Nickl & Partner Architekten designs and constructs buildings in healthcare, research, administration, social housing, and urban development, focusing on creating visionary and functional spaces |
160 | |||
| 32 |
Grün Berlingruen-berlin.de
As a state-owned company, we are a reliable partner for sustainable and green urban development, creating safe infrastructure and attractive public spaces |
158 | |||
| 33 |
BFT Gruppebft-gruppe.de
A multidisciplinary group providing expertise in construction (planning, consulting, inspection) through various companies specializing in engineering, architecture, consulting, and project management |
155 | |||
| 34 |
pbr planungs- und beratungsgesellschaft mbhpbr.de
A team of diverse professionals working nationwide on projects to inspire, create identity, address societal challenges, and build a better environment responsibly |
153 | |||
| 35 |
Hewi Heinrich Wilke GmbHhewi.com
A family company specializing in high-quality design hardware and barrier-free sanitary solutions, with a focus on innovation, quality, and employee satisfaction |
151 | |||
| 36 |
Diederichs Projektmanagementdiederichs.eu
A leading project management company in Germany since 1978, providing professional services in quality, customer service, and expertise at eleven locations nationwide |
149 | |||
| 37 |
M&P Gruppemp-gruppe.de
A leading technical consultancy offering services in consulting, engineering, energy, and IT solutions, with a focus on building services, spanning 18 locations |
149 | |||
| 38 |
Archidesignifs-archidesign.de
The company's in-house architecture firm in Cologne specializes in designing and implementing renovation and new construction projects for residential and commercial buildings Their goal is to elevate the quality of private and public spaces through high architectural standards |
148 | |||
| 39 |
heinlewischerheinlewischer.de
A team of over 300 employees from 30+ countries focus on innovative architecture projects in education, healthcare, culture, and administration, prioritizing respect and sustainable design |
146 | |||
| 40 |
blocher partnersblocherpartners.com
A multidisciplinary design firm specializing in creating sustainable and holistic experience concepts for various building projects globally |
146 | |||
| 41 |
Auer Weberauer-weber.de
Architectural firm specializing in designing new buildings and renovations for public and private clients, with a focus on international projects |
86 | |||
| 42 |
NORMBAU GmbHnormbau.de
Specializing in high-quality sanitary interior fittings, this company develops innovative products for hospitals, care facilities, and global markets with a focus on accessibility |
65 | |||
| 43 |
Zeeh Design GmbHzeeh-design.com
Zeeh Design specializes in creating memorable brand experiences through trade fair design, events, shareholder meetings, and showrooms with passion and expertise |
59 | |||
| 44 |
Dornbracht Groupdornbracht-group.com
A family-run manufacturer of high-quality design fittings and accessories for bathrooms and kitchens, constantly innovating to enhance daily life |
49 | |||
| 45 | 46 | ||||
| 46 |
stadtraum GmbHstadtraum.com
The company specializes in optimizing traffic flows and urban design in the ever-changing urban space to guide and initiate change |
43 | |||
| 47 | 31 | ||||
| 48 |
Bruns Messe- und Ausstellungsgestaltung GmbHbruns-messebau.de
A global provider of innovative trade show and exhibition solutions, specializing in designing and implementing stands, pavilions, showrooms, and events |
30 | |||
| 49 |
Inolares GmbH & Co. KG | TGA-Planung | Digitalisierunginolares.de
Inolares GmbH & Co KG specializes in technical building equipment, offering smart building designs, TGA planning, digital solutions for ESG goals, and safety system monitoring software |
30 | |||
| 50 |
S+P Ingenieure AGsedlacek.de
Passionate building technology company offering innovative and sustainable technical solutions in heating, ventilation, plumbing, electrical, energy efficiency, and more Specializing in complex projects across various industries |
4 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Germany
- The largest companies in Germany 15,224
- Multinational companies in Germany 4,800
- Companies with in-house R&D in Germany 2,450
- Manufacturers in Germany 1,957
- Software Development companies in Germany 1,401
- SaaS companies in Germany 1,389
- Retail chains in Germany 1,383
- Family-owned companies in Germany 1,330
- Hardware manufacturers in Germany 1,316
- Critical infrastructure operators in Germany 1,305
- Financial services firms in Germany 1,265
- Transportation, Logistics, Supply Chain and Storage companies in Germany 1,145
- Companies with a mobile app in Germany 928
- IT Services and IT Consulting companies in Germany 911
- Corporate groups and holding companies in Germany 832
- Public sector organisations in Germany 812
- IT services companies in Germany 776
- Financial Services companies in Germany 745
- Professional services firms in Germany 690
- Logistics companies in Germany 597
- Consulting firms in Germany 584
- Automotive manufacturers and suppliers in Germany 504
- Banking companies in Germany 485
- Machinery Manufacturing companies in Germany 476