Otsingu
tulemused

Credit score:

Reliable

Reputation score:

43,600

Employees:

256

Forecast turnover (2026):

102,512,604 €

Durable, economical and smart solutions!

TREV-2 Group is a company focused on the construction and maintenance of infrastructure objects and facilities.

• maintenance of public roads

• audit of construction works

• expert assessment of building design documentation

• construction of bridges

• construction of roads

• road construction

• construction research

• construction of gas installation

• making of traffic management projects

• pressure equipment works

• construction of roads and bridges

• tea care

• environmental construction

• mining of mineral resources

• traffic management

• road project management

• project management of bridges

• production and installation of asphalt

• building equipment rental

• car wash service

• building

• construction

• design

• construction work

• maintenance

• repair work

• repair

• rebuilding

• the warehouse

• noise barrier walls

Credit score:

Reliable

Reputation score:

10,700

Employees:

63

Forecast turnover (2026):

5,979,895 €

Other taping

gas, motorways, ndt, ped, atex, electricity, certification, Technical advice, training, escalators

• audit of construction works

• expert assessment of building design documentation

• conformity assessment body

• testing of electrical equipment and installations

• gas and electrical installations

• device work

• calibration of instruments

• non-destructive testing of welds (ndt),

• doorway test en 1191

• pressure equipment

• machinery

• elevators and cableway installations

• escalators

• motorways

• ndt

• ped

• atex

• electricity

• gas

• testing

• technical inspection

• certification

• training

• technical advice

• other taping

Credit score:

Reliable

Reputation score:

6,610

Employees:

43

Forecast turnover (2026):

2,789,236 €

Installation of sanitary equipment

Diagnostics of technical systems, Tallinn, tube assistance, pressure washing, leakage studies, excavation work, apartment associations, electrical works, sanitary technical works, emergency and maintenance contracts

• audit of construction works

• expert assessment of building design documentation

• construction of gas installation

• diagnostics of technical systems

• electrical works

• construction and real estate

• general and home services

• construction

• construction

• gas works

• emergency and maintenance contracts

• sanitary technical works

• apartment associations

• excavation work

• leakage studies

• pressure washing

• tube assistance

• tallinn

• installation of sanitary equipment

Credit score:

Reliable

Reputation score:

3,940

Employees:

18

Forecast turnover (2026):

1,392,099 €

Installation of electrical equipment

energy, building and finishing materials, electrical equipment, Energy, energy and mineral resources, heating, Construction work for power lines, Installation of road lighting, Construction work for communication lines, Installation of external lighting

• electrical equipment

• audit

• installation

• construction of internal electrical installations

• audit of defence and management systems

• risk analysis

• installation

• installation of electrical equipment

• construction and real estate

• building and finishing materials

• energy

• energy and mineral resources

• heating

• construction

• construction

• electrical construction

• design

• handle management

• control measurements

• design of external and internal parts

• design of weak current systems

• design of strong current systems

• design of lighting

• construction of supply lines

• lightning protection construction

• assembly of shields

• technical inspection

• reporting and documentation

• design

• electrical works company

Credit score:

Reliable

Reputation score:

3,520

Employees:

12

Forecast turnover (2026):

925,850 €

Installation of electrical equipment

electrical works, construction and real estate, external and internal electrical work, overhead line construction, installation of connection shields, temporary mergers, Design, construction and installation of street lighting, internal electrical work, connection of electrical equipment

• design

• connection of electrical equipment

• design and assembly of electrical shields

• audit

• electrical equipment connection

• electrical audit estonia

• installation of electrical equipment

• electrical works

• construction and real estate

• external and internal electrical work

• overhead line construction

• installation of connection shields

• temporary mergers

• construction and installation of street lighting

• internal electrical work

• installation of switches and connectors

• cabling

• detection and elimination of electrical faults

• excavation and planning work

• transport service

• internal electrical works

• electrical shields assembly

• electrical design services

• electrical work services

• construction real estate electrical

• external internal electrical work

• overhead line construction estonia

• connection shields installation

• temporary electrical mergers

• street lighting installation

Credit score:

Reliable

Reputation score:

3,400

Employees:

8

Forecast turnover (2026):

1,794,237 €

Engineering-technical activities

renewable energy solutions, design of solar power plants, construction of solar power plants, solar panel installation, renewable energy deployment, renewable energy advice, energy storage solutions, solar energy systems, energy storage systems, solar energy storage

• design of solar power plants

• construction of solar power plants

• design

• energy audits

• design of energy systems

• construction of solar power plants

• electrical installations

• renewable energy solutions

• solar panel installation

• renewable energy deployment

• renewable energy advice

• energy storage solutions

• solar energy systems

• energy storage systems

• solar energy storage

• sustainable energy solutions

• green energy solutions

• renewable energy consulting

• solar power plant design

• solar power plant construction

• solar panel installation services

• solar energy engineering

• eco-friendly energy solutions

• solar energy advice

• solar power plants

• installation of solar panels

• consultation

• energy storage solutions

• roof panels

• installation work

Credit score:

Reliable

Reputation score:

2,770

Employees:

–

Forecast turnover (2026):

16,589 €

Engineering-technical design

analysis of construction costs, Design, consultations, monitoring of construction quality, verification of the documentation of the construction process, monitoring of building materials and technology, building safety oversight, construction project evaluation, electrical and communication systems, structural design

• audit of construction works

• expert assessment of building design documentation

• the building audit

• auditing the schedule of construction work

• electrical and communication systems

• architecture design firms

• construction and real estate

• building construction firms

• expert assessments

• heating solutions

• design companies

• road and bridge construction

• construction

• construction

• construction owner supervision

• construction expertise

• construction supervision

• design

• consultations

• monitoring of construction quality

• verification of the documentation of the construction process

• monitoring of building materials and technology

• building safety oversight

• construction project evaluation

• analysis of construction costs

• auditing the efficiency of the construction process

• architectural design

• structural design

• heating, ventilation and air conditioning

• engineering-technical design

Credit score:

Reliable

Reputation score:

2,680

Employees:

–

Forecast turnover (2026):

–

Installation of electrical equipment

Installation, electrical installation, electrical works documentation, consultations on electrical works, maintenance of electricity, central voltage, Building, documentation, installation and repair, consultations

• design

• electrical audits

• installation of groundings

• reconstruction of electrical installations

• maintenance of electricity

• installation

• installation of electrical equipment

• electrical works

• construction work

• internal installation

• low voltage external network

• temporary connection connections

• handling order

• electrical failures

• internal installation construction

• electrical installations for new construction

• entry into service documentation

• required certificate

• electrical installation

• electrical works documentation

• consultations on electrical works

• central voltage

• building

• repair

• maintenance

• consultations

• installation and repair

• documentation

• high-quality electrical works

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

• accounting

• elimination of sewerage blockages

• elimination of blockages

• detection of pipe leaks

• design of the apartment

• performance of electrical works

• construction

• construction

• heating solutions

• administrative service

• data security

• maintenance service

• emergency repair

• sanitary technical works

• bucket and excavation work

• cleaning service

• repair service

• security service

• energy management

• technosystem emergency repairs

• milling work for in-house ducts

• detection of leaks in various pipelines

• milling works for ducts

• radiators

• air to water heat pumps

• septics and tanks

• consulting service

• fast and high-quality installation

• construction and repair work

• interior decoration and furnishings

Credit score:

Reliable

Reputation score:

2,530

Employees:

1

Forecast turnover (2026):

113,527 €

Construction of electricity and communications networks

Construction of energy systems, outdoor lighting, installation of cable works, construction of cable works, repair of cable works, installation of cables and wires, managing cable works, create cable connections, inspection of cables and wires, configuring cables and wires

• verification of electrical audit

• assessment of electrical audit

• electrical audit management

• assessment of energy efficiency

• assessment of electrical system

• assessment

• construction of energy systems

• outdoor lighting

• installation of cable works

• construction of cable works

• repair of cable works

• installation of cables and wires

• managing cable works

• create cable connections

• inspection of cables and wires

• configuring cables and wires

• installation of electrical handheld

• management of electrical control

• maintenance of electrical handheld

• repair of electric handheld

• auditing electrical equipment

• installation of electricity and communications networks

• construction of electricity and communications networks

• management of electricity and communications networks

• repair of electricity and communications networks

• installation of new cable

• carrying a data cable

• installation of light cable

• replacement of television cable

• installation of electrical cable

Credit score:

Reliable

Reputation score:

2,510

Employees:

4

Forecast turnover (2026):

389,258 €

Building construction works

Fire Protection, building and finishing materials, Owner supervision, energy-efficient insulation, renovation work of a private house, Construction work for social houses, Construction, Construction, Audit of construction works, construction expertise

• renovation work of a private house

• audit of construction works

• additional insulation of external walls

• insulation of cladding

• roofing and insulation

• construction and real estate

• building and finishing materials

• building construction firms

• energy-efficient insulation

• construction

• construction

• construction expertise

• energy-efficient buildings

• owner supervision

• thermal insulation materials

• warm-up work

• additional heating

• panel houses

• wooden houses

• additional roof insulation

• additional floor insulation

• floor insulation

• insulation work

• tables

• installation

• walls

• heat

• material

• energy efficiency

• drawings

Credit score:

Reliable

Reputation score:

2,470

Employees:

2

Forecast turnover (2026):

171,599 €

Building Comfort, Maintaining Trust!

We provide comprehensive building maintenance and construction solutions for heating, water, and sewerage systems.

• heating systems maintenance

• construction of water and water and sewerage systems

• maintenance of heating systems

• installation of systems

• electrical systems

• accounting

• activities of housing associations

• property maintenance

• construction work

• administrative and maintenance services

• 24/7 emergency service

• maintenance and servicing of apartment associations and private houses

• water system construction

• heating system repair

• emergency service 24/7

• sewage system installation

• property maintenance services

• construction works estonia

• administrative building services

• apartment association servicing

• private house maintenance

• building maintenance tallinn

• technical maintenance services

• school building maintenance

• water and sewage system construction

• maintenance and service of apartment associations and private houses

• technical maintenance

• cleaning service

• monitoring systems

• repair works

Credit score:

Reliable

Reputation score:

2,450

Employees:

–

Forecast turnover (2026):

20,942 €

Engineering-technical design

Constructive preliminary project, Main structural project, building permit, Audit of the building, Measuring, Building advice, construction structures, building projects, Structural project, Shop drawings

• audit of the building

• constructive preliminary project

• main structural project

• building permit

• measuring

• building advice

• construction structures

• building projects

• structural project

• shop drawings

• usage permit

• building project

• design

• construction permit

• drafting projects

• consultation

• engineering-technical design

Credit score:

Reliable

Reputation score:

2,070

Employees:

1

Forecast turnover (2026):

46,656 €

Engineering-technical design

documentation advice, Design, Owner supervision, fire safety inspection, fire safety audit, formalisation of occupancy and use permits, legalisation of unauthorised construction works, geodesy, construction technical audit, audit and measurements of electrical installations

• audit of construction works

• expert assessment of building design documentation

• fire safety audit

• audit and measurements of electrical installations

• expert assessment of the heating system

• construction

• fire safety

• construction

• inspection and maintenance

• permit for use

• building permit

• measuring project

• building exeprtisis

• the construction project

• preliminary project

• the certificate of lawmaking

• engineering design offices

• design

• owner supervision

• fire safety inspection

• formalisation of occupancy and use permits

• legalisation of unauthorised construction works

• documentation advice

• project management and consultation

• preparation of projects

• construction technical audit

• geodesy

• engineering-technical design

Credit score:

Risky

Reputation score:

617

Employees:

6

Forecast turnover (2026):

566,339 €

Engineering-technical design

Construction, Heritage conservation, fire safety, Audit of construction works, Expert assessment of building design documentation, Design, construction and maintenance of fire safety, Design, lawmaking, measurement and amendment projects, renovation and restoration projects

• audit of construction works

• expert assessment of building design documentation

• design

• expert assessment of heating equipment

• audit of the building

• measurement and audit of electrical installations

• construction

• heritage conservation

• fire safety

• design, construction and maintenance of fire safety

• lawmaking

• measurement and amendment projects

• renovation and restoration projects

• rebuilding and expansion projects

• general design

• measurement and amendment projects

• occupancy permit application

• entry of construction works in register of construction works

• legalisation of illegal construction works

• fire safety audit

• preparation of fire safety of building design documentation

• set-up

• application for a licence to use

• design of special parts

• energy label

• renovation projects

• rebuilding project

• extension projects

• preparation of building documentation / application for use and occupancy permits

• legalisation of buildings, including application for use and occupancy permits

Credit score:

Borderline

Reputation score:

6,040

Employees:

34

Forecast turnover (2026):

5,256,034 €

Engineering-technical design

owner supervision of construction, construction consultations, design management, construction management, owner supervision of road management works, fidic engineering service, building consultancy services, construction owner supervision, construction project management, heritage conservation supervision

• owner supervision of construction

• construction owner supervision

• construction project management

• electrical and automation works supervision

• electrical, automation and low-current works

• construction project expert assessments

• audit of energy consumption

• preparation of the initial task of construction

• construction consultations

• design management

• construction management

• owner supervision of road management works

• fidic engineering service

• heritage conservation supervision

• design management services

• road management supervision

• fidic engineering consulting

• general construction oversight

• water and sewage construction supervision

• hvac construction supervision

• external pipelines construction oversight

• infrastructure construction management

• port construction supervision

• project management

• construction management

• fidic engineering service

• general construction work

• infrastructure works

• infra-facilities construction work

• preparation of estimated cost of construction work

Credit score:

Reliable

Reputation score:

4,710

Employees:

33

Forecast turnover (2026):

2,987,854 €

Construction of electricity and communications networks

Weak and strong current Construction, maintenance of electrical systems, Construction of electrical systems, electrical installation services, installation of cables, testing of electrical system, installation of lighting equipment, installation of sockets and switches, fixing failures, electrical system maintenance

• maintenance of electrical systems

• construction of electrical systems

• testing of electrical system

• electrical system maintenance

• conduct of audit of electrical works

• ensuring electrical safety

• handling order

• design

• weak and strong current construction

• electrical installation services

• installation of cables

• installation of lighting equipment

• installation of sockets and switches

• fixing failures

• maintenance of electronic systems

• construction of electronic systems

• construction of electricity and communications networks

Credit score:

Reliable

Reputation score:

3,850

Employees:

24

Forecast turnover (2026):

1,053,817 €

Electrical installation

troubleshooting and recovery, electricity, start-up and tuning work, delivery of equipment, project development, energy audit of the object, connecting cables and wires, installation of electric heating, Installation of wires, assembly of electrical equipment

• electrical installation

• weak current electrical work

• electrical assembly work

• design

• assembly of electrical equipment

• energy audit of the object

• delivery of equipment

• electrical installation

• construction and real estate

• automation works

• installation of current and lighting networks

• installation of cable wires

• electricity supply to buildings and facilities

• troubleshooting and recovery

• installation of wires

• installation of electric heating

• connecting cables and wires

• project development

• start-up and tuning work

• electricity

Credit score:

Borderline

Reputation score:

3,090

Employees:

10

Forecast turnover (2026):

738,830 €

Building construction works

energy audit, construction plans, Designs, interior projects, Design, implementation of the project, construction supervision, construction management, project management, Construction supervision

• design of commercial premises

• installation of energy efficient systems

• design

• implementation of the project

• energy audit

• installation of electrical and ventilation systems

• construction and real estate

• turnkey solutions

• high-quality and durable choice of building materials

• post-construction maintenance

• construction management and supervision

• fully customized solutions

• application for building permits

• keys to the hand solution

• construction material selection

• construction management

• energy efficient systems

• building permits

• construction plans

• designs

• interior projects

• construction supervision

• installation of energy efficient equipment

• construction management

• construction supervision

• project management

• building construction works

Credit score:

Risky

Reputation score:

2,626

Employees:

5

Forecast turnover (2026):

601,388 €

Installation of electrical equipment

making of safety technical documentation, Automation works, Electrical construction, Control measurement of electrical installations, Electrical engineering works, Electricity projects, Construction of weak current systems, weak current electrical work, distribution centres, protective systems

• control measurement of electrical installations

• design

• electrical equipment sales

• installation of electrical shields

• conduct of audits

• mapping of electrical installations

• installation of electrical equipment

• construction and real estate

• automation works

• electrical construction

• electrical engineering works

• electricity projects

• construction of weak current systems

• weak current electrical work

• distribution centres

• protective systems

• electric heating

• external network projects

• installation of electrical shields and electric meters

• adding, changing, marking, grouping, connecting fuses, switches, timers, relays

• installation of meters

• connecting home appliances and electrical equipment to the power grid

• automation and cabling

• construction of dali and knx systems

• computer networks

• telephone and tv networks

• rack cabinets

• video surveillance

• signalling

• surveillance system