A platform connecting engineering expertise and sustainable capital to solve today’s environmental challenges.
SIERA brings together every element needed to deliver sustainable progress — from environmental engineering and project management to investment, trainings and collaborations.
A platform connecting engineering expertise and sustainable capital to solve today’s environmental challenges.
SIERA brings together every element needed to deliver sustainable progress — from environmental engineering and project management to investment, trainings and collaborations.
SIERA is a platform that brings together environmental engineering expertise, responsible investment, and strategic partnerships to deliver measurable impact.
By connecting leading engineering firms, forward-thinking investors, and innovation partners, we transform ideas into practical solutions that solve real environmental challenges.




We develop solutions that transform environmental challenges into sustainable opportunities.
Climate
Infrastructure
Water
Ecosystems
Urban Sustainability
Circular Economy
Environmental Protection
Impact Technologies
We develop modern infrastructure solutions that combine technical excellence with environmental responsibility.
Join SIERA’s hybrid events where engineering expertise meets sustainable investment, connecting global participants to drive measurable environmental change.
SIERA is a platform that connects environmental engineering expertise with sustainable investment to deliver measurable impact. By uniting leading engineering companies, responsible investors, and strategic partners, SIERA turns innovation into practical solutions that address today’s most pressing environmental challenges.
At its core, SIERA drives progress through real projects, responsible growth, and collaborative action — all guided by one mission: Engineering for a Better Tomorrow.
SIERA is a platform that connects environmental engineering expertise with sustainable investment to deliver measurable impact. By uniting leading engineering companies, responsible investors, and strategic partners, SIERA turns innovation into practical solutions that address today’s most pressing environmental challenges.
At its core, SIERA drives progress through real projects, responsible growth, and collaborative action — all guided by one mission: Engineering for a Better Tomorrow.
SIERA leads the charge in advancing sustainable practices, delivering environmental engineering solutions that not only address today’s challenges but also secure the well-being of generations to come. Through SIERA Engineers companies we create solutions where technical progress and environmental responsibility move forward together — ensuring that development and sustainability remain in balance.
Join our free SIERA Impact Webinars and discover how environmental engineering and sustainable investment work together to create measurable impact. Each session features experts from across the SIERA ecosystem — sharing real projects, proven strategies, and lessons that drive meaningful change toward a more sustainable future.
Register below to be part of the conversation and learn how SIERA is Engineering a Better Tomorrow.
SIERA connects premier Environmental Engineering consulting companies that specialize in impact-driven solutions. With a foundation in the “SIERA Periodic Table of Impact,” our partners apply the highest ESG standards to maintain sustainable practices across their operations. Focused primarily in the DACH region (Germany, Austria, and Switzerland), SIERA fosters a culture of environmental responsibility, sustainability, and impact.
Auguste-Viktoria-Straße
14 24103 Kiel
Sachsenstraße 6 20097 Hamburg
Hans-Böckler-Allee 7 30173 Hannover
Franz-Jacob-Straße 4 10369 Berlin
Spinnereistraße 7
Halle 14 (Aufgang B)
04179 Leipzig
Tel.: +49 (0) 341 48405 11
E-Mail: leipzig@seecon.de
Bautzner Straße 22
01099 Dresden
Tel.: +49 (0) 35 182 1064 74
Fax: +49 (0) 34 148 4052 0
E-Mail: dresden@seecon.de
Berner Straße 107 60437 Frankfurt
Vordere Sterngasse 4-6
90402 Nürnberg
Tel.: +49 911 37848250
Fax: +49 (0) 34 148 4052 0
E-Mail: nuernberg@seecon.de
Frauenstraße 30
80469 München
E-Mail: info@seecon.de
Parsevalstraße 9 b 40468 Düsseldorf
Widdersdorfer Straße 190 50825 Köln
Wieblinger Weg 21 69123 Heidelberg
Auf der Breit 11 76227 Karlsruhe
Neulandstr. 2-4 49084 Osnabrück
Zum Pier 77 44536 Lünen
Christine-Englerth-Straße 1 45665 Recklinghausen
Altenhagener Straße 89-91 58097 Hagen
Kopernikusstr. 1 54634 Bitburg
Rudolf-Diesel Str. 1 54292 Trier
IICP Ingenieure GmbH Am Tränkwald 27 67688 Rodenbach
Heinigstraße 31 67059 Ludwigshafen/a. Rh.
Weststraße 38 74072 Heilbronn
Südstraße 15, Gebäude 36a, 99867 Gotha.
Humboldtstraße 13 39112 Magdeburg
Leipziger Straße 8
06108 Halle (Saale)
Tel.: +49 (0) 34 513 3762 612
Fax: +49 (0) 34 513 3762 619
E-Mail: halle@seecon.de
Beyerstraße 23 – 25 09113 Chemnitz
Friedrich-Ebert-Straße 78a 85055 Ingolstadt
Sanktjohanserstraße 45 83707 Bad Wiessee
Illerstraße 12 87452 Altusried
At SIERA we believe collaboration is the foundation of lasting environmental progress. Whether you are an engineering firm seeking to join the SIERA, a professional looking to build a purpose-driven career, or an organization eager to partner on sustainable innovation, there is a place for you in our network. Together we can scale solutions that create measurable impact for people and the planet.
Collaboration is at the heart of SIERA’s mission. We welcome partnerships with universities, research centers, government agencies, and corporations that share our vision of engineering a sustainable future.
Let’s develop joint initiatives, technologies, and investments that create measurable global impact.