WASH for life's ultimate objective is to alleviate some of the suffering of those in need. Keeping clients satisfied is however more than a side issue. Since the success and continuation of WASH for life fully depends on having satisfied clients, WASH for life continuously works on building and maintaining lasting relationships. WASH for life provides high-quality support and is typically available on extreme short notice. Depending on the client's wishes and needs, WASH for life can also facilitate some or all of the admistrative and logistics issues, inlcuding insurance, flights and visa-application.
As a result, WASH for life is highly appreciated by its clients, as illustrated by the following references. 
 
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"To advance its WASH related program portfolio, Malteser International is developing a Global Program on WASH and Human Rights. WASH for life was selected to conduct the feasibility study for this program in preparation for a BMZ funding application. The study conducted was of high quality and fully met the donor requirements. 
 
I can highly recommend WASH for life for conducting any similar WASH related studies that require a combination of sound WASH sector experience and expertise in rights-based programming approaches and sustainability promotion." - Roland Hansen, Malteser International - 
 
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“Marco was instrumental in making the WASH response work to the highest professional standards. Specific skills on his account that made this possible include a notorious capacity to effectively network with a very wide spectrum of partners, which in our case included not only the usual UN responders but a large group of NGOs, the Government of the Philippines and the Military, represented in Roxas by the Philippine Armed Forces, the Canadian Armed Forces and the Royal Navy.
 
Marco possesses several qualities that made him the right man for the job. A very sound technical background and a wealth of experience”  - Fernando Arroyo, UN-OCHA -             
 
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"The final evaluation report submitted by Marco was clear, well-structured and concise. It provided a thorough selection of useful and actionable recommendations. Feedback to the draft report [...] was throroughly addressed by Marco in the final report."  - Ben Allen, ACF -
 
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Marco was accommodating to the changes introduced during the review, as well as to the range of opinions expressed by the participants. He is a true professional and [I] would be happy to recommend him and WASH for life for future evaluations and reviews.”  - Saul Guerrero, ACF -
 
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"The Netherlands Red Cross (NLRC) contracted Marco Visser of WASH for life [...] to conduct a needs assessment and prepare a project proposal [...]. The proposal has been submitted to, and was awarded for funding by DG-ECHO [...]. [...] the quality of the final proposal delivered was very good. Thanks to his extensive experience, analytical skills, flexibility and pragmatic approach, Marco managed to design this project quickly and thoroughly. I would surely recommend Marco, i.e. WASH for life for any future needs assessments and project design assignments.”  - Alexander de Gaay Fortman, NLRC -
 
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“Marco has brought WASH to a higher plan within [MSF]. He was central to the development and co-ordination of a multi-year strategic plan.“  - Michel Becks, MSF -