Strategic Consulting & Interim Management


SAISONZIEL is your expert for strategic consultancy with a focus on the areas of sales, internationalization, innovation, digitalization and change management.

Our services that we offer across industries and countries, include:

+ Development of business models

+ Product innovations

+ Digitalization strategies

+ Go-to-Market strategies

+ Development of distribution structures

+ E-commerce strategies

+ Process optimization

+ Restructuring

+ Outsourcing

+ Support of M+As

In addition to the advisory service, we also support you with interim management for strategic and operational tasks and take care of the implementation.

Whether as a transition until you have found the final replacement candidate, as a substitute due to illness, maternity or parental leave, or for concrete projects that do not justify permanent recruitment - we assume responsibility as General Manager, Sales Manager, Project Manager, etc. on site and assist you in achieving your goals in English, German or Spanish (other languages on request).


Your advantages of consulting or interim management by SAISONZIEL are obvious: In addition to the expertise available at short notice you get transparency and predictability regarding your costs while minimizing your risks.

Only the days worked and proven travel expenses will be charged. There are no additional costs such as contributions to health and social insurance, pensions plans, continuation of payments to sick employees or even severance payments.


Although SAISONZIEL is serving as an external expert within concrete and time-completed projects, we always keep in mind the general long-term goals of our customers.

Our goal is the sustainable development of your company, beyond the current season.

Creativity, innovation, product and process quality and motivation of employees are mutually influencing each other and together vital for increasing efficiency and customer satisfaction. Both are important conditions for a sustained positive business with profitable sales growth.


SAISONZIEL is only working with proven experts who can demonstrate this through years of experience and success in senior positions.

So the owner Frank Wildenberg has over 20 years of international management experience, including as managing director in the digital economy and as head of a business unit in mechanical and plant engineering.

The customers he has taken care of include renowned automotive manufacturers and other global players from different industries.

Frank Wildenberg is a graduate engineer and holds an Executive MBA degree from EAE Business School in Barcelona.