Lawyer profile
Alexander Leon Constantas
Employment law (Fachanwalt für Arbeitsrecht), Dr. Franken Grillo Steinweg, Bonn
- Checked in the official register of the German Federal Bar (BRAK) on 21 October 2026
- Overall rating 4.0 of 5
, from 138 reviews of the firm
At a glance
- Opening hours
- Montag bis Donnerstag: 8:00 bis 17:00 Uhr
- Freitag: 8:00 bis 14:00 Uhr
Sources: the firm's website, 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
4.0 of 5 Overall rating from 138 reviews on 2 platforms. How we calculate the overall rating
| Platform | Rating | Reviews | As of |
|---|---|---|---|
| golocal | 3.9 of 5 | 43 | 21 October 2026 |
| 4.1 of 5 | 95 | 21 October 2026 |
These reviews apply to the firm, not to individual lawyers.
Details from the official lawyer register
- Name
- Alexander Leon Constantas
- Professional title
- Lawyer (Rechtsanwalt)
- Fachanwalt titles
- Employment law (Fachanwalt für Arbeitsrecht)
- Regional bar association
- Köln
- Admitted since
- 28 July 2021
- Law firm
- Dr. Franken Grillo Steinweg
- Firm address
- Martinsplatz 2a, 53113 Bonn
- Phone
- 0228-969990
- constantas@martinsplatz.de
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.769b8bb6-f9f8-4948-9012-1e30cc60aed4.042c
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
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