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Auditors

Find an auditor

On this page you will find an overview of the qualified impact auditors and impact assessors for the We Impact System in levels 1 and 2. The experts have the specialist knowledge and experience to accompany your company on the path to a more sustainable future.

You can also find out here how you can qualify as an auditor yourself.

The auditors

NameCertificationOrganizationLocationLevel Certificatione-mailTelephoneWebsiteScope level 2
Artischweski, RaphaelDE-2024-03Core Umweltgutachter GmbH71334 Waiblingen Endersbacher Str. 57 Level 1 + 2artischewski@core-cert.org+49-7151-1676755https://www.core-cert.org01, 02.1, 02.3, 02.4, 09.9, 11.01, 11.02, 11.03, 22.2, 23.44, 23.62, 23.63, 23.64, 23.65, 23.69, 24.33, 24.5, 25, 26.1, 26.2, 26.3, 26.4, 26.5, 26.6, 26.7, 27, 28, 29, 30, 32.12, 32.13, 32.5, 32.99, 33.11, 33.12, 33.13, 33.14, 33.15, 33.16, 33.17, 33.2, 35.11.6, 35.11.7, 38, 43.21, 43.29.9, 45, 46.5, 46.6, 46.77, 47.3, 49.4, 51, 52.23.9, 52.29.1, 58.2, 59.20.2, 59.20.3, 62.01, 62.02, 62.09, 63.99, 64, 65, 66, 68.2, 68.3, 69, 70, 71.11, 71.12.1, 71.12.2, 71.12.9, 71.2, 73, 74, 75, 77.4, 80, 81, 82, 84.1, 85, 86, 87, 88, 91.01, 94.9, 95.12, 95.21, 95.22, 95.23, 95.29, 96.03
Grantner, ThorstenDE-2024-04OmniCert Umweltgutachter GmbH93077 Bad Abbach Kaiser-Heinrich-II.-Str. 4Level 1 + 2info@omnicert.de+49-9405-955820https://www.umweltgutachter.de01.1, 01.4, 01.5, 03, 10, 16.1, 31, 32.2, 32.3, 32.4, 32.9, 33.19, 35.11.6, 35.11.7, 35.11.8, 35.2, 35.30.6, 35.30.7, 36, 37, 41, 43.32, 43.91.2, 45.1, 45.3, 46, 47.1, 47.2, 47.4, 47.5, 47.6, 47.7, 47.8, 47.9, 55, 56, 58.2, 59, 60, 62, 63, 64, 66, 68, 69, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 82, 84.1, 84.21, 84.23, 84.24, 84.25, 84.3, 85, 86, 87, 88, 91.03, 91.04, 93, 94, 95.24, 95.29, 96.02, 96.04, 96.09
Kühnemann, Burkhard DE-2024-02Institute for Environmental Technology Dr. Kühnemann and Partner GmbH30159 Hanover Prinzenstr. 10 ALevel 1 + 2ifu@kuehnemann.de+49-5111-2194008.93, 09.9, 10.7, 10.81, 10.84, 10.85, 10.86, 10.89, 11, 17, 20.15, 20.3, 20.4, 21, 22, 23.13, 23.9, 25.4, 27.33, 29, 30.3, 30.4, 31, 33.11, 33.2, 35.11.6, 35.11.7, 35.11.8, 35.11.9, 35.12, 35.13, 35.14, 35.2, 35.30.6, 36, 37, 38, 45.20.4, 46.3, 46.4, 46.5, 46.6, 46.7, 46.9, 49, 50.3, 50.4, 51.1, 51.21, 52, 53, 55, 56, 59, 60, 61, 62.02, 63.99, 64, 65, 66, 69, 70, 71.11, 71.12.1, 71.12.3, 71.12.9, 71.2, 73, 74, 77.1, 77.21, 77.29, 77.31, 77.32, 77.33, 77.39, 77.4, 78, 79, 80, 81.1, 81.2, 82.1, 82.2, 82.3, 82.91, 82.99, 84.1, 84.21, 84.23, 84.24, 84.25, 84.3, 85, 88.99, 90.01, 90.02, 90.03.1, 90.03.2, 90.03.3, 90.03.4, 90.04, 91, 92, 93, 94, 95.24, 96.02, 96.03, 96.04, 96.09
Rau, GüntherDE-2024-01REFCCO Rau Enviroment Food & Communications Consulting86480 Aletshausen OT Haupeltshofen Village road 11Level 1 + 2guntherrau@refcco-rau.com+49-8263-3019927https://www.refcco-rau.com 10, 11, 46.3, 46.9, 47.1, 47.2, 47.4, 47.5, 47.6, 47.71, 47.72, 47.76, 47.77, 47.78, 55, 56
Schmidt, Ulrich DE-2024-05 IFU-CERT Zertifizierungsgesellschaft für Managementsysteme mbH65462 Ginsheim-Gustavsburg Ringstr. 13Level 1 + 2u.schmidt@ifu-cert.de+49-511-1219416https://www.ifu-cert.de35.11.6, 52.23, 52.24, 68, 72.2, 85.1, 85.2, 85.3, 85.4, 86, 87.3, 88
Urke, Stefan DE-2024-0665606 Villmar-Falkenbach Langgasse 41Level 1stefan@urke.eco+49-172-6563882https://emas.urke.eco/
Becker, Beatrix DE-2024-0782194 Gröbenzell Gröbenbachstr. 25 Level 1beatrixbecker86@outlook.de+49-170-5412538
Heinrich, Peter DE-2024-08HEINRICH GmbH Agency for Communication (GPRA) 85049 Ingolstadt Level 1peter.heinrich@heinrich-kommunikation.de+49 841 99 33 944https://www.heinrich-kommunikation.de
Hofstetter, Hermann DE-2024-0983376 TruchtlachingLevel 1H_Hofstetter@web.de+49-178-3226285
Fischer, Bettina DE-2024-1070182 StuttgartLevel 1Bettina.Fischer@kate-stuttgart.org+49 711 248397 22
Rautenkranz, Andreas DE-2024-1134128 Kassel Level 1andreas@rautenkranz.de +49 177-4554752
Hertzke, AchimDE-2025-0133604 BielefeldLevel 1achim.hertzke@t-online.de+49 155-10389 481
Kaffanke, NilsDE-2025-02auditcert GmbH Environmental verifier organization34630 Gilserberg-MoischeidLevel 1kaffanke@auditcert.de+49 151-25495977https://www.auditcert.de/
Knörich, MartinDE-2025-03Core Umweltgutachter GmbH71334 Waiblingen Endersbacher Str. 57 Level 1 + 2martin.knoerich@core-cert.org+49-7151-1676755https://www.core-cert.org25.1, 25.2, 25.3, 25.5, 25.6, 25.7, 25.91, 25.92, 25.93, 25.99, 56, 68, 69, 70, 84.1, 85, 87.1, 87.3, 88, 93, 94, 96.04
Wilhelmy, Sarah DE-2025-04WUQM Consulting GmbHBürgerbräu 02 Brewhouse Frankfurter Street 87Level 1Sarah.wilhelmy@wuqm.de +49-931-78097029 https://www.wuqm.de

Want to know more?

In our toolbox you will find further checklists, our impact check and links to freely available online sources

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