1988
Merrywater AG is formed and Incorporated in Zürich, Switzerland

1989
Certificate of Compliance for a Branch Office in Dar-es-Salaam, Tanzania is obtained and Merrywater Ltd starts operating in Dar es Salaam Tanzania. Water Treatment is the core business; introduction of Merrywater Plant.Agencies for Katadyn AG of Switzerland and Grünbeck GmbH of Germany are in place

1992
Sale, Installation and Service of Diesel Generators is added to the scope of services 1993 Merrywater becomes agents for ITT-Lowara and Vogel Pumps, Victorinox and BWK

1994
Office is moved from city centre to present premises along Bagamoyo Road. New Agencies for ProMinent and ProMaqua Dosing Pumps, Chemical Treatment, Reverse Osmosis and general Water Treatment are established

1995
Merrywater is appointed distributor of FG Wilson Generators

1999
Merrywater Ltd. is 10 years in Tanzania; employs 35 people

2000
Hydranautics, Wessamat, BK Giulini and So-Safe become part of our product portfolio

2001
More custom made water treatment plants are produced in Tanzania and introduced to the market

2009
Merrywater Ltd. is now growing since 9 years in a row and celebrates 20 years in Tanzania; employs 55 people