We want you to be successful – and remain.


We examine how we advise – personally, always with a managing partner on the side and with an interdisciplinary eye for the big picture. Our large network of expertise brings together knowledge and decades of experience – a guarantee for reliable and sustainable solutions for the SMEs with its complex challenges.


We advise you – in person. Provide our services as people for people and as entrepreneurs for entrepreneurs. We attach particular value to the smartest solutions and sustainable concepts; because the prospects of a successful tomorrow and beyond alone creates both: motivated clients as well as employees.


Our general orientation enables us to advise holistically – with the background of a extensive network of competence and decades of experience. The eyes on the whole and the passion for the detail makes us a valued partner for our clients in various industries.


“Much has changed, our approach has tradition.”

SIGNOS is the merger of the accounting firms SINGHOFEN & GERGEN (Flensburg), Osterloh & Nottbohm (Hamburg) and the Nordische Revisions- und Treuhandgesellschaft mbH (Flensburg). With such bundled competencies we use our synergies and cover the interfaces between accounting, business audit/consultancy and tax consulting.

Your benefits from working with us:

  • Personal approach
  • Decades of experience
  • Interdisciplinary orientation
  • High industry expertise for SMEs