RESPONSIVE DESIGN

Flexible strategic theme areas through redefine team driven human resource

VISUAL PAGE BUILDER

Flexible strategic theme areas through redefine team driven human resource

UPPER TEMPLATES

Flexible strategic theme areas through redefine team driven human resource

WE DESIGN
CREATIVE PRODUCTS

Dramatically foster next-generation resources and multimedia based scenarios professionally communicate frictionless expertise and emerging expertise.

ABOUT OUR AGENCY

Objectively conceptualize technically sound ROI without web-enabled scenarios. Professionally redefine integrated growth strategies without synergistic information. Energistically procrastinate resource-leveling processes for unique alignments. Energistically matrix efficient experiences through diverse collaboration and.

OUR MISSION

Objectively conceptualize technically sound ROI without web-enabled scenarios. Professionally redefine integrated growth strategies without synergistic information. Energistically procrastinate resource-leveling processes for unique alignments. Energistically matrix efficient experiences through diverse collaboration and.

OUR SKILLS
Development
95%
Design
85%
Marketing
70%
Consulting
65%
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PROJECTS

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CLIENTS

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AWARDS

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WHAT WE DO

UNIQUE DESIGN

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EASY TO WORK

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UNLIMITED PORTFOLIOS

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PREMIUM RESOURCES

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WOOCOMMERCE READY

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FREE SUPPORT

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OUR CLIENTS SAY

  • Retsan is niet alleen een leraar. Zijn kennis en kunde heeft hij op een passievolle manier op ons overgebracht, wat het volgen van de lessen niet alleen interessant, maar ook erg leuk maakte. Retsan weet, door onder andere eigen ervaring, de stof op een leuke en doeltreffende manier over te brengen. Ook gaf Retsan ons de ruimte om bepaalde dingen zelf te ontdekken en humor stond in de lessen ook nooit in de weg! Het is voor mij een zeer leerzame periode geweest waar ik alleen maar mijn voordelen uit zal halen! Kortom, super opleiding waar ik veel heb geleerd.
    L. DijkstraWachtmeester der Koninklijke Marechaussee bij Ministerie van Defensie
  • Retsan is a highly sought after, very methodical close protection professional. He pays attention to detail, is an excellent leader and leads by example. I would highly recommend Retsan in any security management type of role.
    Preston Johnson OWNER OF TACTICAL FORCE, LLC. USA
  • In Februari 2016 I have done the 7-day close protection course of Backup Concept. Retsan was my/ our trainer. Retsan is serious, calm, restrained but also enthusiast and a spirited trainer. The 7-day training course has been intense but also educational. Retsan knew how to train the group effectively. For me it was working well. I had not one boring moment or a moment that I lost my attention. Even at the practical exercises Retsan was a good coach and attendant. He is working hard and constantly sharing his knowledge.
    Henk van Knotsenburg CPOSecurity management & Partner
  • I highly recommend Retsan Koers! I want to thank Retsan for the valubale lessons and his tactics when it comes to close protection. Retsan has a great and open mind. He didn't give the standard lesson, like a teacher and a student, but he is taking you step by step and explaining the detail so there is no more question about the lessons. The way he teached and explained is clear and easy to understand. When i have questions, he always replied! He is not only a teacher but to me he is also my mentor. Thank you very much Ret! and we'll see each other again soon!
    Tom ThoopthaisongPolice officer, Dutch National Police
  • Retsan did a great job working with colleagues he had not met before, he fitted in well with the team and fulfilled his role in a timely and professional manner.
    Jaquie Davis Operations Director Optimal Risk Group Ltd UK

CLIENTS AROUND THE WORLD

Continually develop prospective convergence proactive

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