Dr. jur. Roland Sieger

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

At a glance

Languages: English, French, Spanish
Focus areas: Architektenrecht, Baurecht, Baurecht (öffentliches), Baurecht (privates), Verwaltungsrecht
Opening hours: Montag, Dienstag, Donnerstag: 08:30h, 12:30h & 14:00h, 17:30h | Mittwoch, Freitag: 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.

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
Google	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)
Fachanwalt titles: 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
E-mail: 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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