External growth by acquisitions or establishing long term alliances accelerate growth and organizational development. Selecting the right M&A targets, create logic and fruitful mergers and robust alliances require well thought-over decisions. Cultural fit, commercial synergies and smooth integration with respect for both sides are key for reaping the benefits of such a forward leap. Leye Nansen professionals know by experience how to make it work and avoid the many pitfalls so often experienced in practice.