Lawyer profile
Yannis Markmann
Lawyer (Rechtsanwalt), Kanzlei Hartmut Göddecke, Siegburg
- Checked in the official register of the German Federal Bar (BRAK) on 22 October 2026
- Overall rating 4.9 of 5
, from 185 reviews of the firm
At a glance
- Opening hours
- Montag 09:00 bis 17:00
- Dienstag 09:00 bis 17:00
- Mittwoch 09:00 bis 17:00
- Donnerstag 09:00 bis 17:00
- Freitag 09:00 bis 13:00
- 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.
Location of the firm
Reviews of the firm
4.9 of 5 Overall rating from 185 reviews on 3 platforms. How we calculate the overall rating
| Platform | Rating | Reviews | As of |
|---|---|---|---|
| Das Örtliche | 5.0 of 5 | 41 | 22 October 2026 not counted separately: shares its reviews with golocal, counted only once |
| golocal | 5.0 of 5 | 41 | 22 October 2026 |
| 5.0 of 5 | 100 | 13 October 2026 | |
| ProvenExpert | 4.9 of 5 | 44 | 12 October 2026 |
These reviews apply to the firm, not to individual lawyers.
Details from the official lawyer register
- Name
- Yannis Markmann
- Professional title
- Lawyer (Rechtsanwalt)
- Regional bar association
- Köln
- Admitted since
- 22 November 2003
- Law firm
- Kanzlei Hartmut Göddecke
- Firm address
- Auf dem Seidenberg 5, 53721 Siegburg
- Phone
- 02241-17330
- Fax
- 02241-173344
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.61f7177f-a672-41b1-892c-5ab0f280b845.4b08
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.
Other lawyers at this firm
Something wrong? Request a correction. We change details from the official register only when they have changed there.