We want you to be successful – and remain.

AUDITING
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.
TAX CONSULTING
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.
MANAGEMENT CONSULTING
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