Waterproofing in the
Canton of Basel-Country
58 companies in Waterproofing based in the Canton of Basel-Country — name and year of registration from the commercial register.
50 of 58 companies
Abdichtungssysteme Walzer AG
Since 2017 · 11–20 empl.4.9(57)
Abdichtungssysteme Walzer AG specialises in repairing moisture and mould damage in buildings. Its services include interior and exterior waterproofing, balcony and basement-floor renovations, crack injection and drying systems.
A + B Flachdach AG
Since 2005 · 21–50 empl.4.4(44)
A + B Flachdach AG plans and constructs flat roofs and provides roof renovation, waterproofing and maintenance services. Its work also includes sheet-metal roofing and façade services, terrace renovation, green roofs and roof drainage.
Morath AG
Since 1981 · 1–10 empl.4.6(33)
Morath AG carries out sheet-metal, flat-roofing and waterproofing work on roofs and façades. Its services also include technical planning and project design, as well as maintenance, inspections and repairs of roofs and building envelopes.
Jasari Bauabdichtungen GmbH
Since 2010 · 1–10 empl.5.0(19)
Jasari Bauabdichtungen GmbH carries out building waterproofing, injection work and coating projects. Its services include interior and exterior sealing, concrete repairs, joint sealing, and floor coatings for industrial areas, garages, terraces and balconies.
Rooftech AG
Since 1992 · 11–20 empl.4.7(14)
Rooftech AG carries out work on flat and pitched roofs, façades and sheet-metal components. Its services also cover balconies and terraces, pools and biotopes, below-ground areas, and lightning protection.
Felix Hauser Abdichtung/Bauservice
Since 2019 · 1–10 empl.5.0(16)
Felix Hauser Abdichtung/Bauservice carries out building waterproofing, renovation and repair work. Services include crack, concrete, masonry and joint sealing, as well as renovations of older buildings, concrete, natural stone and surfaces.
seccosit ag
Since 2009 · 1–10 empl.4.3(11)
seccosit ag plans and carries out waterproofing and coating work for new buildings and renovations. Its services include building waterproofing, liquid-plastic coatings, joint sealing, thermal insulation, and planning and expert assessments related to water damage.
peressini roofing AG
Since 2013 · 21–50 empl.4.9(7)
peressini roofing AG specialises in flat-roof waterproofing and sheet-metal work. It undertakes roofing work for new builds and renovations and provides roof maintenance, repairs, green-roof installations and lightning protection.
Hoffmann & Stetter AG
Since 1974 · 1–10 empl.4.3(15)
Hoffmann & Stetter AG provides waterproofing, coating, sheet-metal and building-protection services. Its work includes flat-roof and structural waterproofing, seamless floor coatings, sheet-metal roof and façade details, as well as maintenance and repair.
mareas AG
Since 2021 · 11–20 empl.5.0(8)
mareas AG is a building trades contractor specializing in waterproofing and renovation work. Its services include injection sealing, joint sealing, liquid-applied membranes, leak detection, odour removal, and technical analysis, consulting and reports.
Bruno Hügli AG, Spenglerei
Since 1995 · 1–10 empl.5.0(5)
Bruno Hügli AG, Spenglerei carries out sheet-metal work, flat-roof projects, lightning protection installations and ventilated façades. Its services include planning and execution for new buildings and renovations, as well as maintenance and repairs.
SikaBau AG
Since 2000 · 1–10 empl.4.5(4)
SikaBau AG specialises in structural waterproofing, building protection and building repair. Its services include waterproofing swimming pools, reservoirs, tunnels and bridges, as well as concrete repairs, injections, coatings and structural strengthening.
Roofix GmbH
Since 2020 · 1–10 empl.5.0(13)
Roofix GmbH carries out sheet-metal work on roofs and façades and installs, maintains and renovates flat roofs. Its services also include lightning protection systems, gutter cleaning, pigeon deterrence, and repairs to storm- and roof-damaged structures.
Siegrist, Spenglerei - Flachdach
Since 1996 · 1–10 empl.4.6(9)
Siegrist, Spenglerei - Flachdach carries out sheet-metal and roofing work. Its services include flat-roof construction and renovation, waterproofing, green roofs, metalwork, façades, pitched roofs, roof windows and lightning protection.
TECTON-FLADAG AG
Since 1972 · 1–10 empl.
TECTON-FLADAG AG carries out work on flat and pitched roofs, as well as roof renovations. Its services also include sheet-metal work, green roofs and customer service.
O. Aeschlimann AG
Since 1976 · 21–50 empl.
René Horat AG
Since 2006 · 11–20 empl.
René Horat AG carries out architectural sheet-metal work and flat-roof work. Its services include roof gutters, rainwater downpipes and roof windows, as well as consulting and project management for smaller projects.
Ritec Flachdach GmbH
Since 2007 · 1–10 empl.
Ritec Flachdach GmbH specialises in flat-roof waterproofing, paving and sheet-metal work. The company provides advice and carries out these services.
werking gmbh
Since 2015 · 1–10 empl.
werking gmbh is an engineering and construction services company active in building and civil engineering. Its services include engineering, waterproofing and coatings, building maintenance, construction drying, and expert assessments of moisture and structural damage.
Hydrostop AG
Since 2016 · 1–10 empl.5.0(7)
Hydrostop AG carries out waterproofing and building protection work, including building renovation and projects in civil and specialist civil engineering. Its services include basement and concrete repairs, as well as waterproofing using injection methods.
Eberle Bautenschutz AG
Since 2018 · 1–10 empl.4.3(15)
Eberle Bautenschutz AG carries out water damage restoration and drying, and locates leaks in pipes and drains. Its services also include thermographic inspections, pollutant assessments and building diagnostics, as well as building waterproofing, joint sealing and flat-roof renovation.
Spenglerhaus AG
Since 2006 · 1–10 empl.5.0(4)
Spenglerhaus AG carries out sheet-metal and roofing work, specialising in flat-roof waterproofing and renovations. It also waterproofs balconies and carports, using EPDM rubber membranes.
Zehntner GmbH
Since 2020 · 1–10 empl.
Zehntner GmbH provides waterproofing and building-protection services. Its services include concrete waterproofing, structural reinforcement, coatings, concrete injection, fresh-concrete composite membranes and sealant joints.
Bondt Spenglerei & Metallobjekte
Since 2015 · 1–10 empl.
Bondt Spenglerei & Metallobjekte carries out sheet-metal roofing and flat-roof work, including roof inspections and maintenance. Its services also include façade cladding, thin-sheet metal structures, consulting and planning, and the manufacture of metal objects.
Abdichtungen Schuurman
Since 2010 · 1–10 empl.5.0(5)
Abdichtungen Schuurman provides waterproofing for flat roofs, terraces and buildings. Its services include refurbishments, new construction and repairs, as well as mastic asphalt work, insulation and green roofs.
Z Flexabdichtungen GmbH
Since 2009 · 11–20 empl.5.0(4)
Z Flexabdichtungen GmbH specialises in building waterproofing for above- and below-ground construction and carries out roof waterproofing, coating and sheet-metal work. Its services also include green roofs, roof maintenance and fall-protection systems.
NEZ Flachdach & Spenglerei GmbH
Since 2014 · 11–20 empl.4.3(3)
NEZ Flachdach & Spenglerei GmbH plans, installs and renovates flat roofs. Its services include sheet-metal work, insulation and waterproofing, green roofs, terrace surfacing, coatings, maintenance and repairs.
Schuurman AG
Since 2021 · 1–10 empl.5.0(5)
Schuurman AG carries out waterproofing for flat roofs, terraces and buildings, and installs mastic asphalt by hand. Its services include renovations, new construction and repairs, as well as insulation, green roofs and civil engineering waterproofing.
Orth & Schöpflin AG
Since 2006 · 11–20 empl.5.0(1)
Orth & Schöpflin AG carries out painting and coating work as well as technical building protection. Its services include structural waterproofing, concrete repair, floor and specialist coatings, corrosion and graffiti protection, shotcrete work, abrasive blasting and joint sealing.
Swiss-Tec Flachdach GmbH
Since 2023 · 1–10 empl.
Swiss-Tec Flachdach GmbH installs, maintains, renovates and seals flat roofs. It also provides terrace coatings and sheet-metal work, including cladding, roof edges, gutters and downpipes.
BETOSAN AG
Since 1997 · 1–10 empl.4.0(4)
Regio Abdichtungen GmbH
Since 2007 · 1–10 empl.5.0(1)
Regio Abdichtungen GmbH provides building waterproofing and concrete repairs. Its services include injection work, liquid-applied waterproofing, silicone and fire-protection joints, and sealing tapes.
Flatroof Tech GmbH
Since 2023 · 1–10 empl.
Flatroof Tech GmbH plans and carries out roofing and sheet-metal work. Its services include flat-roof work, façade cladding and roof drainage, as well as maintenance and repairs.
Muchenberger Bedachungen GmbH
Since 2023 · 1–10 empl.4.3(3)
Muchenberger Bedachungen GmbH carries out work on pitched and flat roofs, as well as sheet-metal and carpentry work. Its services include roof renovations and new installations, repairs, gutter fitting and roof-space insulation.
epofloor gmbh
Since 2014 · 1–10 empl.5.0(1)
epofloor gmbh provides floor and wall coatings using epoxy and polyurethane systems for industrial, commercial and private customers. Its services also include waterproofing, flooring, concrete repairs, and the maintenance and renovation of car parks.
Thüring Spenglerei GmbH
Since 2022 · 1–10 empl.3.7(3)
Thüring Spenglerei GmbH carries out sheet-metal work for roofs and façades. Its services include cladding, flat-roof work and waterproofing, installation of roof windows, and roof cleaning and inspections.
BauAbdichter AG, SN
Since 2021 · 1–10 empl.5.0(2)
BauAbdichter AG, SN provides consulting, engineering and construction services for building waterproofing and protection. Its work includes repairing water damage, white tank and conventional waterproofing systems, injection work, and structural reinforcement.
AM Dach - Bau System GmbH
Since 2025 · 11–20 empl.
AM Dach - Bau System GmbH provides roofing and sheet-metal services for flat and pitched roofs. Its services also include waterproofing and paving for terraces and balconies, lightning protection, green roofs, and pitched-roof repairs and maintenance.
Azotea Bauten Abdichtungen GmbH
Since 2022 · 1–10 empl.5.0(1)
Azotea Bauten Abdichtungen GmbH plans and builds swimming pools and natural pools, and installs and renovates pool liners. Its services also include waterproofing, flat-roof and sheet-metal work, and the laying of paving slabs and paving stones.
Sanoxx AG
Since 2026 · 1–10 empl.
Sanoxx AG is a general contractor specialising in building waterproofing and renovation work. It plans waterproofing systems and carries out services including injection works, liquid-applied waterproofing and coatings, structural strengthening, and perimeter insulation.
ISOFIX Bauabdichtungen GmbH
Since 2005 · 1–10 empl.
ISOFIX Bauabdichtungen GmbH carries out building and flat-roof sealing and joint renovation, and provides plumbing work and bathroom renovations. Its other services include roof maintenance, fire protection, solar panel cleaning, sheet-metal work and garden paving.
BSTech GmbH
Since 2020 · 11–20 empl.
BSTech GmbH works in fire-protection and thermal insulation, including the insulation or cladding of ventilation systems. The company plans and builds smoke-extraction and ventilation ducts, installs fire-stopping systems, doors and ceilings, and carries out joint-sealing work.
ULTRA FLACHDACH GmbH
Since 2021 · 1–10 empl.
ULTRA FLACHDACH GmbH provides flat-roofing, insulation, waterproofing and liquid-applied plastic services. Its work includes installing, repairing and maintaining flat roofs.
Medusa Group GmbH
Since 2024 · 1–10 empl.
Medusa Group GmbH carries out installation and sealing work for construction and renovation projects. Its services include fitting windows, doors, kitchens and garage doors, as well as window sealing, joint sealing and liquid-applied plastics.
SeMa Flachdach GmbH
Since 2012 · 1–10 empl.
Fässler Bauabdichtungen
Since 1996 · 1–10 empl.
Top Flachdach GmbH
Since 2009 · 1–10 empl.
MK Spenglerei GmbH
Since 2014 · 1–10 empl.
FranKonzept GmbH
Since 2018 · 1–10 empl.
Sef-Fugen GmbH
Since 2019 · 1–10 empl.
Waterproofing in the Canton of Basel-Country
Waterproofing in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 15, 2026
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