Structural calculations and engineering











ON2A4ApS is an independent structural engineering firm located in Denmark with experiences in calculating, analyzing and documenting the structural integrity of various structures for the on- and offshore business.

The services are primarily offered as “in-house consultant” with the use of the client’s software packages’.

Troels Juhl Kristensen is the founder of ON2A4 ApS and has since year 2000 worked with structural designs under the motto:


 “Do what you do best"