Lawyer profile
Jacek Sienkiewicz
Tax law (Fachanwalt für Steuerrecht), Dr. Widdau & Partner - Wirtschaftsprüfer, Steuerberater, Rechtsanwalt - PartGmbB, Trier
- Checked in the official register of the German Federal Bar (BRAK) on 21 October 2026
- Overall rating 4.3 of 5
, from 4 reviews of the firm
At a glance
- Opening hours
- Montag 08:00 bis 18:00
- Dienstag 08:00 bis 18:00
- Mittwoch 08:00 bis 18:00
- Donnerstag 08:00 bis 18:00
- Freitag 08:00 bis 18:00
- Samstag geschlossen
- Sonntag geschlossen
Sources: Google, retrieved on 24 October 2026. Focus areas and opening hours are the lawyer's or firm's own words.
Reviews of the firm
4.3 of 5 Overall rating from 4 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
- Jacek Sienkiewicz
- Professional title
- Lawyer (Rechtsanwalt)
- Fachanwalt titles
- Tax law (Fachanwalt für Steuerrecht)
- Regional bar association
- Koblenz
- Admitted since
- 29 November 2005
- First admission
- 23 August 2005
- Law firm
- Dr. Widdau & Partner - Wirtschaftsprüfer, Steuerberater, Rechtsanwalt - PartGmbB
- Firm address
- Christophstraße 10, 54290 Trier
- Phone
- 0651-949000
- Fax
- 0651-9490049
- J.Sienkiewicz@drwiddau.de
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.3e89ffab-7d9c-47c4-bea9-de6e3cc2ab23.f230
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.
Something wrong? Request a correction. We change details from the official register only when they have changed there.