Lawyer and notary profile
Christoph Brandau
Civil-law notary (Notar) · Certified specialist in construction and architects' law (Fachanwalt für Bau- und Architektenrecht), Certified specialist in family law (Fachanwalt für Familienrecht), RAe Billich, Sprenger & Kollegen, Siegen
- Checked in the official register of the German Federal Bar (BRAK) on 21 October 2026
- Overall rating 4.5 of 5
, from 28 reviews
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At a glance
- Languages
- English
- Focus areas
- Marriage and family law (Ehe- und Familienrecht), IT law (IT-Recht), Tenancy and lease law (Miet- und Pachtrecht), Freight forwarding and freight law (Speditions- und Frachtrecht), Traffic law (Verkehrsrecht)
- Opening hours
- Monday to Thursday: 09:00 to 12:30, 14:00 to 17:30
- Friday: 09:00 to 12:30
Sources: the firm's website, retrieved on 24 October 2026; Deutsche Anwaltauskunft des Deutschen Anwaltvereins, retrieved on 12 October 2026. Focus areas and opening hours are the lawyer's or firm's own words. Focus areas from the directories' fixed lists have an English label with the German term in brackets; all others stay in German.
Location of the firm
Reviews
4.5 of 5 Overall rating from 28 reviews on 2 platforms. How we calculate the overall rating
| Platform | Rating | Reviews | As of |
|---|---|---|---|
| Gelbe Seiten | 4.2 of 5 | 4 | 21 October 2026 |
| Google (firm) | 4.8 of 5 | 24 | 22 October 2026 |
Reviews marked “firm” apply to the firm, not to individual lawyers. The overall rating includes them.
Details from the official lawyer register
- Name
- Christoph Brandau
- Professional title
- Lawyer (Rechtsanwalt)
- Specialist titles
- Certified specialist in construction and architects' law (Fachanwalt für Bau- und Architektenrecht), Certified specialist in family law (Fachanwalt für Familienrecht)
- Regional bar association
- Hamm
- Admitted since
- 19 January 2004
- Law firm
- RAe Billich, Sprenger & Kollegen
- Firm address
- Sohlbacher Str. 35, 57078 Siegen
- Further office
- Oranienstr. 2, 57258 Freudenberg
- Phone
- 0271-40583-0
- Mobile phone
- 0176-21612676
- Fax
- 0271-4058329
- info@ra-billich.de
- Website
- www.ra-billich.de
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.779ab4ba-923b-4d90-b498-6d7f72ea281d.8a76
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
- Christoph Brandau
- Official title
- Lawyer and civil-law notary (Rechtsanwalt und Notar)
- Official seat (Amtssitz)
- Siegen
- Chamber of notaries
- Westfälische Notarkammer
- Appointed since
- 8 December 2016
- Partnership
- Billich, Sprenger & Kollegen
- Office
- Sohlbacher Straße 35, 57078 Siegen
- Phone
- 0271-40583-0
- Fax
- 0271-4058329
- notare@ra-billich.de
- Website
- https://ra-billich.de
Source: Notarverzeichnis der Bundesnotarkammer (§ 78l BNotO), as of 28 October 2026. The register is kept in German.
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