Commercial diving services

We are a team of professional commercial divers with many years of experience in diving-technical infrastructure projects across the Czech Republic and abroad.

We provide a wide range of diving work such as repairs, inspections, maintenance of water works, underwater welding or cooperation with rescue or film crews.

We go out of our way to pay particular attention to safety and to follow the right operating technical procedures. Needless to say, our divers have all the necessary licenses, medical exams and undergo professional training on regular basis.


  • Repairs and maintenance of water structures
  • Underwater welding, burning, sawing
  • Search and rescue of sunken vessels
  • Indoor and outdoor space surveys
  • Entrance to enclosed space
  • Construction of steel structures and temporary fencing
  • Underwater concrete pouring
  • Cooperation with construction equipment
  • Hydraulic and pneumatic core hole drilling
  • Maintenance and payment of small hydropower plants
  • Sediment extraction
  • Rehabilitation with PU resins
  • Inspection of fire tanks
  • Preparation of the final reports

  • Hydropol Project a.s.
  • Sellier & Bellot
  • Trigorn a.s.
  • The Ohře River Basin
  • The Vltava River Basin
  • The Elbe river basin
  • Small hydropower plant owners
  • Building companies Pontex, Agromeli
  • Surveying company Trigorn, Sweden

Full references here

  • For inspections and checks in hard-to-reach or dangerous places, we use ROV–500
  • For work in toxic and non-breathable environments or for work in high pressure conditions, we use breathing helmets DSL A-2Air
  • We specialize in the repair, maintenance and inspection of fire tanks
  • We have experience with saturation diving. Frantisek Harant has participated in three underwater missions of the Hydronaut Project, a scientific project for space research.

Our working divers are holders of a valid diving certificate Working Diver 69-014-H according to the National System of Qualifications.

All our working divers have a valid medical certificate from a qualified diving doctor.


What makes us special