Lawyer profile
Sebastian Kölln
Certified specialist in insolvency and restructuring law (Fachanwalt für Insolvenz- und Sanierungsrecht), Renneberg Legal Rechtsanwaltsges.mbH, Hamburg
- Checked in the official register of the German Federal Bar (BRAK) on 12 October 2026
- Overall rating 4.5 of 5
, from 9 reviews of the firm
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At a glance
- Languages
- English, French
- Focus areas
- Insolvency law (Insolvenzrecht), Insolvency administration (Insolvenzverwaltung), Leasing law (Leasingrecht)
- Opening hours
- Monday 07:00 to 17:00
- Tuesday 07:00 to 17:00
- Wednesday 07:00 to 17:00
- Thursday 07:00 to 17:00
- Friday 07:00 to 15:00
- Saturday closed
- Sunday closed
Sources: Google, retrieved on 24 October 2026; Deutsche Anwaltauskunft des Deutschen Anwaltvereins, retrieved on 13 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
4.5 of 5 Overall rating from 9 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
- Sebastian Kölln
- Professional title
- Lawyer (Rechtsanwalt)
- Specialist titles
- Certified specialist in insolvency and restructuring law (Fachanwalt für Insolvenz- und Sanierungsrecht)
- Regional bar association
- Hamburg
- Admitted since
- 14 May 2014
- Law firm
- Renneberg Legal Rechtsanwaltsges.mbH
- Firm address
- Am Sandtorkai 50, 20457 Hamburg
- Further office
- Kleines Feld 7, 37130 Gleichen
- Phone
- 040-3006188440
- Fax
- 040-300618864
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.8ae47e67-b079-4902-a50a-018d0d458fe1.9247
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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