Lawyer and notary profile
Dr. Mario Devermann
Civil-law notary (Notar) · Certified specialist in agricultural law (Fachanwalt für Agrarrecht), Certified specialist in employment law (Fachanwalt für Arbeitsrecht), Diekmann und Berenzen, Meppen
- Checked in the official register of the German Federal Bar (BRAK) on 22 October 2026
- Overall rating 4.6 of 5
, from 13 reviews of the firm
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At a glance
- Opening hours
- Monday 08:00 to 13:00, 14:00 to 17:00
- Tuesday 08:00 to 13:00, 14:00 to 17:00
- Wednesday 08:00 to 13:00, 14:00 to 17:00
- Thursday 08:00 to 13:00, 14:00 to 17:00
- Friday 08:00 to 13:00, 14:00 to 16:00
- Saturday closed
- Sunday closed
Sources: Google, retrieved on 24 October 2026. Focus areas and opening hours are the lawyer's or firm's own words.
Location of the firm
Reviews of the firm
4.6 of 5 Overall rating from 13 reviews on 1 platform. How we calculate the overall rating
Google
These reviews apply to the firm, not to individual lawyers.
Details from the official lawyer register
- Name
- Dr. Mario Devermann
- Professional title
- Lawyer and civil-law notary (Rechtsanwalt und Notar)
- Specialist titles
- Certified specialist in agricultural law (Fachanwalt für Agrarrecht), Certified specialist in employment law (Fachanwalt für Arbeitsrecht)
- Regional bar association
- Oldenburg
- Admitted since
- 28 May 2002
- First admission
- 21 May 2002
- Law firm
- Diekmann und Berenzen
- Firm address
- Zum Stadtgraben 4, 49716 Meppen
- Phone
- 05931/1039
- Fax
- 05931/13957
- info@ra-diekmann-berenzen.de
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.21b8c630-dbc8-4583-a364-210cce90689c.aa7e
Source: Official lawyer register of the German Federal Bar under section 31 of the Federal Lawyers' Act (BRAO). The register is kept in German. We show names and addresses as the register gives them and add an English description to German professional titles.
Details from the register of notaries (Notarverzeichnis) of the Federal Chamber of Notaries (Bundesnotarkammer)
- Name
- Dr. Mario Devermann
- Official title
- Lawyer and civil-law notary (Rechtsanwalt und Notar)
- Official seat (Amtssitz)
- Meppen
- Chamber of notaries
- Notarkammer Oldenburg
- Appointed since
- 20 April 2017
- Office
- Zum Stadtgraben 4, 49716 Meppen
- Phone
- 05931882824
- Fax
- 05931039
- hugen@ra-diekmann.de
- Website
- www.ra-diekmann-berenzen.de
Source: Notarverzeichnis der Bundesnotarkammer (§ 78l BNotO), as of 28 October 2026. The register is kept in German.
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