
Manufacturer of water tanks, pellet tanks and custom-made plastic containers in Bösingen, Switzerland.
Hug & Zollet AG
Bösingen (Switzerland)New on Amplifa
About Hug & Zollet
Hug & Zollet AG is a Swiss family-owned company based in Bösingen in the canton of Fribourg, specialising in the manufacture of buried tanks and above-ground containers. The product range includes rainwater tanks, drinking water tanks, spring water catchments, retention tanks, pellet tanks and pellet silos as well as oil and diesel tanks, complemented by custom-made products and custom plastic containers. Production takes place in the company's own factory in Bösingen, mainly from polyethylene (PE); in addition, there are steel tanks, steel safety trays and monolithic concrete cisterns. The company welds stubs and overflow siphons into the containers to customer specification and, since 2019, has produced double-walled cylindrical tanks with diameters of 300 to 3000 mm, of any length and drivable by trucks. In addition to production, Hug & Zollet offers consulting, delivery and unloading, training for dealers and installers, as well as accessories and system components for rainwater harvesting. Customers come from construction and building services, water supply, heating and pellet storage, agriculture, as well as plumbing and installation.
- Site
- Bösingen
- Processes
- Manufacture of water tanks and plastic containers (special fabrications / custom-made containers), Welding in of stubs and overflow siphons into PE tanks (plastic welding), Manufacture of cylindrical tanks (double-walled, any length), Manufacture of steel trays (safety trays) for tanks, Series production of underground rainwater collection systems, Consulting, Rainwater harvesting, Special fabrications / custom-made containers
- Materials
- Polyethylene (PE), Concrete, Steel
- Founded
- 1967
- Employees
- approx. 8
- Industries
- Construction/Building services, Water supply, Heating/Pellet storage, Agriculture, Plumbing/Installation
- 01
Consulting and project assessment
- 02
Design of custom containers
- 03
Tank production from PE
- 04
Welding-in of stubs and overflow siphons
- 05
Production of steel safety trays
- 06
Warehouse and forwarding
- 07
Delivery and unloading at the customer
- 08
Training for dealers and installers
Materials and Processes
Polyethylene (PE)
Main material for rainwater, drinking water and retention tanks, 100 % recyclable.
Steel
For safety trays, pellet tanks and tank-in-tank systems for heating oil and diesel.
Concrete
Monolithic cisterns with advantages when installed in groundwater.
Locations

Bösingen
CHManufacturing, office, warehouse, workshop
- Part weight / size
- Tanks up to Ø 3000 mm, up to 3 m welding length
- Lot size
- Special series and custom-made products
- Materials
- Polyethylene (PE), steel, concrete
- Machine for special tanks (custom-made tanks)
- Machine for welding 3 m long tanks
Components and Products






Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of water tanks and plastic containers (special fabrications / custom-made containers)Plastics | – | – | – | – | Polyethylene, Concrete, Steel |
| Welding in of stubs and overflow siphons into PE tanks (plastic welding)Joining | – | – | – | – | Polyethylene |
| Manufacture of cylindrical tanks (double-walled, any length)Plastics | – | 300 mm to 3000 mm (diameter) | – | – | Polyethylene |
| Manufacture of steel trays (safety trays) for tanksForming | – | – | – | – | Steel |
| Series production of underground rainwater collection systemsPlastics | – | – | – | – | Polyethylene |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Machine for manufacturing special tanks (custom-made tanks) | – | 1 | – | – | Bösingen |
| Machine for welding 3 m long tanks | – | 1 | 3 m tank length | – | Bösingen |
Additional services
Company History
- 1967
Foundation of Hug & Zollet AG by Hans Hug and Albert Zollet in an old farmhouse in Fendringen (Bösingen); sale of oil stoves and steel tanks for heating oil.
- 1970er
First plastic tanks for heating oil and diesel; from the mid-1970s, own safety trays under the H&Z brand.
- 1980er
Import and distribution of plastic fruit and beverage barrels; 1987 20th anniversary.
- 1989
Beat Wyssa joins as technical salesperson.
- 1990
Creation of the H&Z logo.
- 1990er
One of the first series productions of underground rainwater collection systems with screw connections in Switzerland; start of welding in stubs.
- 1991
Beat Wyssa becomes managing director; 1992 acquisition of a new delivery van for distribution throughout Switzerland.
- 1993
First sale of a complete rainwater harvesting system; from 1997 rainwater training for dealers and installers.
- 1998
First drinking water cistern with special connections.
- 1999
Purchase of a building plot in the industrial zone and construction of manufacturing and office facilities at Auriedstrasse 26 in Bösingen.
- 2001
Addition of pellet storage to the product range.
- 2002
Focus on custom-made products and custom tanks; purchase of a new machine for special tanks.
- 2003
First web presence.
- 2005
Nicole Wyssa joins administration and accounting.
- 2008
First sale and installation of a steel pellet tank on steep terrain, transport by helicopter.
- 2012
Website relaunch and new production machines, including a machine for welding 3 m long tanks.
- 2014
First monolithic concrete cistern.
- 2017
Pascal Wyssa joins as project manager after completing his engineering studies.
- 2019
Production of own double-walled cylindrical tanks, diameter 300–3000 mm, of any length and drivable by trucks.
- 2023
Generational change: Pascal Wyssa takes over the management from Beat Wyssa.