- Credit score:
- Borderline
- Reputation score:
- 4,820
- Employees:
- 19
- Forecast turnover (2026):
- 4,683,469 €
Construction and Maintenance You Can Always Rely On
The main activities of our company are the repair and maintenance of technological equipment, the production of metal structures, and assembly services. We provide services in both industrial and energy solutions, being your reliable partner in the field of repair and construction.
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pressure equipment works
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production of pressure tanks
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rent of labour
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production and installation of pressure tanks
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production and painting
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automated control systems
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metal industry
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technological lines
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technological equipment
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construction
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device work
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construction
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machinework
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welding work
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metal structures
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maintenance of technological equipment
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repair services for industrial machinery
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maintenance of refractory structures
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repair readiness of critical equipment
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making metal frames
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welding work and locksmith assembly work
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painting and finishing works
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construction of communication and electrical networks
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lifting services and assembly
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installation of water pipelines and sewer networks
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project management services
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design and development
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construction and assembly
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manufacture of metal structures
- Credit score:
- Reliable
- Reputation score:
- 3,150
- Employees:
- 5
- Forecast turnover (2026):
- 290,818 €
Special construction work
Tanks, painting of metal surfaces, painting of concrete surfaces, finishing of wooden surfaces, renovation of building facade, interior finishing, restoration of wooden structures, Technique, sandblasting works, soda blasting services
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pressure washing and equipment
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production buildings
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rust removal
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painting of metal surfaces
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finishing of wooden surfaces
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tanks
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general and home services
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sandblasting and equipment
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soda spray
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sandblasting
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painting works
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painting works
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facade work
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phasates, concrete and stone surfaces
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cleaning services
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surface cleaning
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facade painting
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painting of concrete surfaces
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renovation of building facade
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interior finishing
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restoration of wooden structures
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industrial buildings
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heavy machinery
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technique
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soda blasting services
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sandblasting works
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special construction work
- Credit score:
- Reliable
- Reputation score:
- 3,790
- Employees:
- 5
- Forecast turnover (2026):
- 739,564 €
Energizing Progress, Constructing Reliability.
We specialize in the construction and maintenance of gas and heating systems, utilizing certified welding processes and offering expert insulation services for a variety of equipment and pipelines.
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pressure equipment works
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sound insulation of equipment
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pressure pipelines
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insulation works for tanks, boilers, boilers, warm-up nodes, chimneys
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operation of pressure equipment
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installation
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construction and real estate
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building and finishing materials
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energy
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energy and mineral resources
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construction and maintenance of energy systems
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heating solutions
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fuels
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mineral resources and natural resources
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mineral resources and raw materials
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equipment and machinery
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construction
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construction
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gas works
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construction of heating systems
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steam piping
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warmth nodes
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water supply pipelines
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boiler houses
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gas systems
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district heating pipelines
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process pipelines
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natural gas and liquefied gas installations
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gas trails of plastic and steel
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gas blowers and emitters
- Credit score:
- Reliable
- Reputation score:
- 3,200
- Employees:
- 4
- Forecast turnover (2026):
- 241,328 €
Installation of air conditioning systems
post-installation maintenance, heating system installation, Construction, fire safety, Construction, Inspection and maintenance, Design, construction and maintenance of fire safety, heating solutions, drainage pipelines construction, cooling systems installation
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septic tanks and biopurifiers installation
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construction of boiler
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installation
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septic tanks
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installation work
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pressure sewerage system
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installation of septic tanks and bio-cleaners
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construction and real estate
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general and home services
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construction
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fire safety
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construction
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inspection and maintenance
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design, construction and maintenance of fire safety
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heating solutions
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construction and real estate services
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cooling systems installation
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drainage pipelines construction
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heating system installation
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water and sewage system construction
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sprinkler system installation
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general home services
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fire safety design and maintenance
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firefighting water systems
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sanitary engineering and installation
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modernization of old boiler rooms
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heating system maintenance and repair
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general and home services
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inspection and maintenance
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fire safety design, construction and maintenance
- Credit score:
- Borderline
- Reputation score:
- 2,650
- Employees:
- 9
- Forecast turnover (2026):
- 1,438,587 €
A&O HOLDING AVALEHT | A&O Holding
Construction, Construction, heating solutions, administrative service, data security, Maintenance service, emergency repair, sanitary technical works, bucket and excavation work, cleaning service
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elimination of blockages
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detection of pipe leaks
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septics and tanks
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installation work
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pressure washing van
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installation of septic tanks and tanks
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installation of tanks and septic tanks
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construction
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construction
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heating solutions
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administrative service
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data security
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maintenance service
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emergency repair
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sanitary technical works
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bucket and excavation work
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cleaning service
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repair service
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security service
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energy management
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accounting
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technosystem emergency repairs
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elimination of sewerage blockages
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milling work for in-house ducts
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detection of leaks in various pipelines
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milling works for ducts
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radiators
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air to water heat pumps
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consulting service
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fast and high-quality installation
- Credit score:
- Borderline
- Reputation score:
- 830
- Employees:
- 5
- Forecast turnover (2026):
- 261,430 €
Pipeline and heating installation
cooling and air conditioning systems, heat pumps, maintenance, Installation, construction of pumping stations, construction of pressure trails, construction and insulation of outdoor trails, bucket loader services, excavation work, heating solutions, ventilation
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installation
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construction of pumping stations
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construction of pressure trails
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construction of ventilation systems
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establishment of water supply
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septics
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boilers and battery tanks
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cooling and air conditioning systems, heat pumps
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maintenance
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construction and insulation of outdoor trails
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bucket loader services
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excavation work
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heating solutions
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ventilation
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bio-cleaners
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sewerage
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water supply
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e-shop
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ventilation maintenance
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warranty work
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sewerage works
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collection wells
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imbalances
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sauna wells
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air purifiers
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solar energy panels
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ground heating
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air-to-air/air-to-water heat pump
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installation accessories
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collateral
- Credit score:
- Risky
- Reputation score:
- 475
- Employees:
- 2
- Forecast turnover (2026):
- 66,824 €
Installation of sanitary equipment
installation of water, sewerage and heating pipelines, pe pipeline welding, septic tanks, cleaners, containers for sale, digging with excavators, installation of pipes, tig welded stainless welding, copper tube soldering, bending of pipes up to 28mm, pipeline pressure samples and leak tests, pressure samples and leak tests
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septic tanks, cleaners, containers for sale
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installation of pipes
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bending of pipes up to 28mm
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pipeline pressure samples and leak tests
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pressure samples and leak tests
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installation
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installation of water, sewerage and heating pipelines
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pe pipeline welding
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digging with excavators
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tig welded stainless welding
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copper tube soldering
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walls / floors
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manual/stative
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dry and wet drilling
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drilling up to 230mm
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soldering and welding
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repair and maintenance
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demonstration and disposal
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laboratories
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laser equipment
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food industry
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industrial environment
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thermal assemblies for district heating
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floor heating pipes
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installation of radiators
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installation of heating boilers
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searching for cables in the ground
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excavation and transport services
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carriage of filling soil
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excavation with excavator
- Credit score:
- Reliable
- Reputation score:
- 1,560
- Employees:
- 10
- Forecast turnover (2026):
- 469,846 €
Production of plastic construction products
Drainage systems, project documentation for installations, custom industrial orders, production of septic tanks, manufacture of containers, design of plastic products, installation services, care advice, installation instructions, project documentation
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installation of septic tanks
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design
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pressure-free pipes
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production of septic tanks
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production of plastic pipes
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production of plastic construction products
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installation of tanks and boy cleaners
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rainwater collectors
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septic tank installation
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custom storage solutions
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pump installation services
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tank and boy cleaner installation
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environmental design services
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industrial storage tanks
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biopurification systems
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pumping station setup
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infiltration systems
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onsite wastewater treatment
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project documentation for installations
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custom industrial orders
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manufacture of containers
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design of plastic products
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installation services
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drainage systems
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preparation of hot tubs
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project documentation
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installation instructions
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care advice
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customer support
- Credit score:
- Reliable
- Reputation score:
- 1,200
- Employees:
- 6
- Forecast turnover (2026):
- 596,405 €
Construction of sewer lines
plumbing services, excavation work, execution, Building, Installation, Sales, Ground heating, maintenance, construction project, landscaping
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installation
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pressure washing
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septic tanks
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installation of pipes
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construction of sewer lines
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plumbing services
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excavation work
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execution
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building
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sales
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ground heating
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maintenance
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construction project
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landscaping
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sanitation
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soil
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sewerage
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external sewerage construction
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building permit
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indoor building work
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paving
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the excavation
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monitoring
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ground source heat pump installation
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training
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joining
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cleaning
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snow cleaning
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frequently asked questions
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septic tank installation
- Credit score:
- Reliable
- Reputation score:
- 6,210
- Employees:
- 8
- Forecast turnover (2026):
- 3,813,511 €
Installation of air conditioning systems
sauna heaters, Energy, energy and mineral resources, Construction and maintenance of energy systems, construction and maintenance of boiler houses, Equipment and machinery, Operation of heating systems, Construction work for installations, Construction, Construction
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construction and maintenance of energy systems
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construction of gas installation
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pressure equipment works
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stoves
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harjumaa
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industrial
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battery tanks
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installation of air conditioning systems
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construction and real estate
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energy
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energy and mineral resources
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construction and maintenance of boiler houses
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equipment and machinery
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construction
-
construction
-
gas works
-
heating solutions
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preparation
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tartu
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maintenance
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heat automation
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thermal assemblies
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steam boiler houses
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drives
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heating equipment
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solar heating
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sets
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regulators
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oil boiler houses
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thermal oil
- Credit score:
- Borderline
- Reputation score:
- 680
- Employees:
- 1
- Forecast turnover (2026):
- 101,040 €
Excavation and soil work
septic tanks, ground source heat pump installation, Installation of tanks, waterway excavation works, ground adjustment, site preparation, Installation, Bucketwork, paving stone installation, installation of the contour of the ground heating
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construction of pressure pipelines
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septic
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installation of the contours of the ground heating
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construction of pressure water pipelines
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installation of containers
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installation of tanks
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installation
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septic tanks
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construction of water pipelines
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sewerage lines construction
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bio-cleaner
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excavation work
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country heating contour
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water and sanitation routes
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construction of the foundation
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septic systems installation
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construction of sewerage lines
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construction of waterways
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bio-cleaners installation
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ground source heat pump installation
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waterway excavation works
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ground adjustment
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site preparation
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bucketwork
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sanitation
-
building
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septic tank installation
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installation of the contour of the ground heating
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paving stone installation
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bio-cleaner installation
- Credit score:
- Reliable
- Reputation score:
- 560
- Employees:
- 1
- Forecast turnover (2026):
- 210,578 €
Excavation and soil work
Waterway construction, external sewerage construction, execution, maintenance, Construction of sewerage lines, cleaning, Planning work, filling of loops, Peeling of soil, establishment of parking lots
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pressure sewerage system
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installation
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tanks
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construction of sewerage lines
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peeling of soil
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filling of loops
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construction and real estate
-
building
-
bio-cleaners
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excavation work
-
digging
-
sales
-
levelling
-
moving
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the excavation
-
landscaping
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septics
-
soil
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external sewerage construction
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execution
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maintenance
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cleaning
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planning work
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waterway construction
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machine park
-
sales and installation
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establishment of parking lots
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backfill
-
excavation and soil work