Lawyer profile
Dr. jur. Roland Sieger
Certified specialist in construction and architects' law (Fachanwalt für Bau- und Architektenrecht), DJS&G Fachanwälte, Frechen
- Checked in the official register of the German Federal Bar (BRAK) on 22 October 2026
- Overall rating 4.9 of 5
, from 318 reviews of the firm
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- Languages
- English, French, Spanish
- Focus areas
- Architects' law (Architektenrecht), Construction law (Baurecht), Public building and planning law (Baurecht (öffentliches)), Private construction law (Baurecht (privates)), Administrative law (Verwaltungsrecht)
- Opening hours
- Monday, Tuesday, Thursday: 08:30h, 12:30h & 14:00h, 17:30h | Wednesday, Friday: 08:30h, 14:00h
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 of the firm
4.9 of 5 Overall rating from 318 reviews on 2 platforms. How we calculate the overall rating
| Platform | Rating | Reviews | As of |
|---|---|---|---|
| golocal | 5.0 of 5 | 253 | 22 October 2026 |
| 4.8 of 5 | 65 | 13 October 2026 |
These reviews apply to the firm, not to individual lawyers.
Details from the official lawyer register
- Name
- Dr. jur. Roland Sieger
- Professional title
- Lawyer (Rechtsanwalt)
- Specialist titles
- Certified specialist in construction and architects' law (Fachanwalt für Bau- und Architektenrecht)
- Regional bar association
- Köln
- Admitted since
- 29 November 2006
- Law firm
- DJS&G Fachanwälte
- Firm address
- Kölner Str. 2, 50226 Frechen
- Phone
- 02234-18200
- Mobile phone
- 0151-10280506
- Fax
- 02234-182010
- sieger@djsug.de
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.f3f12980-f031-4a7c-87e0-976acc67ceba.7972
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.
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