Patrick Seiler advises companies of all sizes, sectors and legal forms on all matters regarding national and international tax law.

He is specialised in providing tax advice for corporate acquisitions (M&A transactions) and restructurings as well as in the establishment of tax-optimised structures. In addition, Patrick has proven expertise in criminal tax law and in assisting clients in tax audit proceedings.

Patrick studied tax law at the University of Applied Sciences for Finance North Rhine-Westphalia in Nordkirchen (Dipl.-Finanzwirt (FH)) and at the University of Applied Sciences in Aalen (M.A.). While studying, he completed his preparatory service for the higher service in the State Financial Administration of North Rhine-Westphalia. After completing his preparatory service, he was a civil servant at a Tax Office of the State Financial Administration of North Rhine-Westphalia until March 2020, most recently as a tax auditor. From April 2020 until April 2022, Patrick worked for a renowned, tax-centred law firm in Bonn.

In May 2022, Patrick joined Osborne Clarke in the Cologne office. He successfully qualified as a tax advisor in 2017 and was appointed as a tax advisor after leaving the State Financial Administration of North Rhine-Westphalia in April 2020.

Brightlands Venture Partners and TechVision Fonds

Osborne Clarke has advised Brightlands Venture Partners and TechVision Fonds on their investment in the Organ Vitality Tech start-up Vivalyx GmbH as part of a seed financing round. Read more.

CODE University

Osborne Clarke has advised the start-up university CODE University of Applied Sciences on the establishment of the CODE Trust, read more.

FUNKE Digital

Osborne Clarke advises FUNKE Digital on the acquisition of Truffls. Read more here.

erlich textil

Osborne Clarke advises management team of erlich textil on buy-out. Read more here.

gominga

Osborne Clarke has advised gominga, a provider of a software-as-a-service solution for managing product reviews and customer enquiries, on its sale to saas.group, read more.

Plantix

Osborne Clarke advises on sale of Plantix to Helm AG, read more.

A & O Fischer

Osborne Clarke advises A & O Fischer on the acquisition of letterei.de Postdienste, read more