- Credit score:
- Reliable
- Reputation score:
- 4,890
- Employees:
- 10
- Forecast turnover (2026):
- 3,069,606 €
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
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solar energy systems
-
energy storage systems
-
battery systems
-
energy audits
-
energy storage systems
-
deployment and validation
-
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 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
-
design
-
installation of solar panels
-
consultation
-
energy storage solutions
-
roof panels
-
installation work
- Credit score:
- Reliable
- Reputation score:
- 3,930
- Employees:
- 18
- Forecast turnover (2026):
- 1,316,150 €
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
-
construction and real estate
-
building and finishing materials
-
energy and mineral resources
-
design
-
audit
-
audit of defence and management systems
-
design
-
electrical equipment
-
energy
-
heating
-
construction
-
construction
-
electrical construction
-
handle management
-
control measurements
-
installation
-
design of external and internal parts
-
design of weak current systems
-
design of strong current systems
-
design of lighting
-
construction of supply lines
-
construction of internal electrical installations
-
lightning protection construction
-
assembly of shields
-
technical inspection
-
reporting and documentation
-
risk analysis
-
installation
-
electrical works company
-
electrical measurements
- Credit score:
- Reliable
- Reputation score:
- 3,460
- Employees:
- 11
- Forecast turnover (2026):
- 855,136 €
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
-
construction and real estate
-
design
-
audit
-
excavation and planning work
-
electrical audit estonia
-
construction and real estate
-
electrical works
-
external and internal electrical work
-
overhead line construction
-
installation of connection shields
-
temporary mergers
-
construction and installation of street lighting
-
internal electrical work
-
connection of electrical equipment
-
design and assembly of electrical shields
-
installation of switches and connectors
-
cabling
-
detection and elimination of electrical faults
-
transport service
-
electrical equipment connection
-
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:
- 44,110
- Employees:
- 266
- Forecast turnover (2026):
- 97,564,829 €
Durable, economical and smart solutions!
TREV-2 Group is a company focused on the construction and maintenance of infrastructure objects and facilities.
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audit of construction works
-
construction of roads and bridges
-
design
-
sanitation
-
design and construction
-
sewer system
-
construction of roads and roads
-
maintenance of public roads
-
expert assessment of building design documentation
-
construction research
-
construction of gas installation
-
making of traffic management projects
-
pressure equipment works
-
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
-
construction work
-
maintenance
-
repair work
-
repair
-
rebuilding
-
the warehouse
- Credit score:
- Reliable
- Reputation score:
- 4,760
- Employees:
- 34
- Forecast turnover (2026):
- 3,016,807 €
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
-
weak and strong current construction
-
testing of electrical system
-
installation of sockets and switches
-
electrical system maintenance
-
conduct of audit of electrical works
-
handling order
-
design
-
maintenance of electrical systems
-
construction of electrical systems
-
electrical installation services
-
installation of cables
-
installation of lighting equipment
-
fixing failures
-
ensuring electrical safety
-
maintenance of electronic systems
-
construction of electronic systems
-
construction of electricity and communications networks
- Credit score:
- Risky
- Reputation score:
- 2,900
- Employees:
- 5
- Forecast turnover (2026):
- 779,454 €
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
-
construction of dali and knx systems
-
surveillance system
-
design
-
fire alarm system
-
video surveillance, alarm system, surveillance system
-
conduct of audits
-
construction and real estate
-
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
-
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
-
computer networks
-
telephone and tv networks
-
rack cabinets
-
video surveillance
-
signalling
-
ats
-
electrical safety
- Credit score:
- Reliable
- Reputation score:
- 2,770
- Employees:
- –
- Forecast turnover (2026):
- 18,612 €
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
-
construction and real estate
-
expert assessments
-
audit of construction works
-
the building audit
-
design
-
construction project evaluation
-
electrical and communication systems
-
architecture design firms
-
building construction firms
-
heating solutions
-
design companies
-
road and bridge construction
-
construction
-
construction
-
expert assessment of building design documentation
-
construction owner supervision
-
construction expertise
-
construction supervision
-
consultations
-
monitoring of construction quality
-
verification of the documentation of the construction process
-
monitoring of building materials and technology
-
building safety oversight
-
analysis of construction costs
-
auditing the schedule of construction work
-
auditing the efficiency of the construction process
-
architectural design
-
structural design
-
heating, ventilation and air conditioning
-
engineering-technical design
- Credit score:
- Neutral
- Reputation score:
- 2,710
- Employees:
- 2
- Forecast turnover (2026):
- 29,701 €
Auditing
assessment of the impact of tax changes, audit expertise, Tax advice, audit of the annual accounts, special auditing, audit of work processes, audit of consolidated reports, analysis of the company's tax strategy, inspection of procedures and systems, evaluation of internal control systems
-
financial audit
-
audit services
-
audit and review services
-
risk detection and assessment
-
evaluation of internal control systems
-
inspection of procedures and systems
-
risk mitigation and management
-
inspection
-
tax consulting
-
risk management
-
financial reporting accuracy
-
audit services estonia
-
reliable audit partner
-
compliance assurance
-
individual client approach
-
detailed audit services
-
central estonia audit
-
estonian audit company
-
audit quality assurance
-
audit expertise
-
tax advice
-
audit of the annual accounts
-
special auditing
-
audit of work processes
-
audit of consolidated reports
-
analysis of the company's tax strategy
-
assessment of the impact of tax changes
-
tax advice for private individuals
-
resolution of tax disputes
-
auditing
- Credit score:
- Reliable
- Reputation score:
- 2,630
- Employees:
- –
- Forecast turnover (2026):
- 52,086 €
Engineering-technical design
ventilation, planning and auditing, gas consumption management, gas installations and pipelines, heat pumps, insulation solutions, heating management solutions, ventilation installations, ventilation management and monitoring, heating solutions
-
gas supply systems
-
design
-
counselling
-
ventilation management and monitoring
-
gas installations and pipelines
-
planning and auditing
-
engineering-technical design
-
construction
-
heating solutions
-
ventilation solutions
-
acquisition of approvals
-
finding materials
-
acquisition of permits
-
gas supply
-
ventilation
-
heating solutions
-
ventilation installations
-
heating management solutions
-
insulation solutions
-
heat pumps
-
gas consumption management
- Credit score:
- Reliable
- Reputation score:
- 2,570
- Employees:
- 3
- Forecast turnover (2026):
- 216,898 €
Engineering-technical design
Buildings technical systems engineering and consulting.
-
design
-
ventilation and cooling systems
-
water and sewerage systems
-
system audits
-
water and sewer systems
-
water and sanitation systems
-
engineering design offices
-
design companies
-
design of building technical systems
-
consulting
-
heating, ventilation, cooling
-
consumer water, sewage
-
preparation of energy performance certificate
-
ventilation system consulting
-
heating project planning
-
energy efficiency consulting
-
engineering consulting services
-
technical system design
-
building system design companies
-
hvac design consulting
-
plumbing and sewage design services
-
energy performance certificate preparation
-
building technical systems consulting
-
cooling system engineering
-
water supply system design
-
wastewater system consulting
-
technical consulting firms
-
technical systems
-
strong and weak flow automation systems
-
heat supply
- Credit score:
- Reliable
- Reputation score:
- 2,420
- Employees:
- 1
- Forecast turnover (2026):
- 104,286 €
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
-
electrical system upgrade
-
electrical system
-
building
-
assessment
-
electrical installation
-
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
- Credit score:
- Reliable
- Reputation score:
- 2,270
- Employees:
- 1
- Forecast turnover (2026):
- 80,495 €
Engineering-technical activities
thermography of the electrical system, energy consumption analysis of the building, improving airtightness, blower - door test, analysis of ventilation system, analysis of energy use, indoor climate survey, thermography of machinery and equipment, thermal insulation analysis of the building, expert assessments
-
expert assessments
-
energy audit
-
thermography of the electrical system
-
thermography of machinery and equipment
-
analysis of ventilation system
-
measurement of airtightness
-
thermography
-
blowerdoor
-
energy performance certificate
-
thermal imaging
-
energy saving measures
-
thermal insulation analysis of the building
-
indoor climate survey
-
analysis of energy use
-
blower - door test
-
improving airtightness
-
energy consumption analysis of the building
-
engineering-technical activities
- Credit score:
- Reliable
- Reputation score:
- 2,250
- Employees:
- 1
- Forecast turnover (2026):
- 77,910 €
Installation of electrical equipment
lightning protection system, inspection of overvoltage protection equipment, maintenance and upgrade of lightning protection systems, installation of cabling and wires, electrical installations, modernization of the electricity grid, Design, protection network maintenance and cotroll, renovation of lightning protection system, installation of overvoltage protection
-
lightning protection system
-
audit and control of electrical systems
-
maintenance and upgrade of lightning protection systems
-
electrical installations
-
design
-
lightning protection system
-
renovation of lightning protection system
-
installation of wires
-
cable installation
-
installation of equipment
-
lightning protection works
-
overvoltage protection device
-
landing
-
lightning protection maintenance
-
lightning protection tips
-
building construction works
-
renovation work
-
landscape maintenance and reclamation works
-
construction site preparation and cleaning work
-
lightning protection advice
-
inspection of overvoltage protection equipment
-
installation of cabling and wires
-
modernization of the electricity grid
-
protection network maintenance and cotroll
-
installation of cables
-
equipment installation
-
installation of luminaires
-
installation of overvoltage protection
-
lightning protection testing
-
installation of electrical equipment
- Credit score:
- Reliable
- Reputation score:
- 2,160
- Employees:
- 1
- Forecast turnover (2026):
- 41,775 €
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
-
inspection and maintenance
-
design
-
fire safety audit
-
audit and measurements of electrical installations
-
expert assessment of the heating system
-
construction
-
fire safety
-
construction
-
expert assessment of building design documentation
-
permit for use
-
building permit
-
measuring project
-
building exeprtisis
-
the construction project
-
preliminary project
-
the certificate of lawmaking
-
engineering design offices
-
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:
- 1,951
- Employees:
- 12
- Forecast turnover (2026):
- 588,210 €
Building construction works
energy audit, construction plans, Designs, interior projects, Design, implementation of the project, construction supervision, construction management, project management, Construction supervision
-
construction and real estate
-
high-quality and durable choice of building materials
-
construction management and supervision
-
design
-
energy audit
-
installation of electrical and ventilation systems
-
design of commercial premises
-
turnkey solutions
-
post-construction maintenance
-
installation of energy efficient systems
-
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
-
implementation of the project
-
construction supervision
-
installation of energy efficient equipment
-
construction management
-
construction supervision
-
project management
-
building construction works
- Credit score:
- Reliable
- Reputation score:
- 1,760
- Employees:
- 10
- Forecast turnover (2026):
- 842,535 €
Installation of air conditioning systems
Tallinn, water supply systems, ventilation systems, Construction of technical systems, thermal assemblies, Sewer systems, apartment buildings, cooling systems, cooling, expert assessments
-
expert assessments
-
audit of construction works
-
system maintenance
-
heating systems
-
cooling
-
cooling systems
-
sewer systems
-
construction
-
construction
-
expert assessment of building design documentation
-
maintenance
-
tallinn
-
apartment buildings
-
thermal assemblies
-
construction of technical systems
-
ventilation systems
-
water supply systems
-
installation of air conditioning systems
- Credit score:
- Reliable
- Reputation score:
- 1,540
- Employees:
- 4
- Forecast turnover (2026):
- 375,853 €
Engineering-technical design
architecture design firms, design of building structures, building projects, Design Companies, road and bridge construction, Preparation of the project and design, cost assessment, Pipeline design services, Architectural, engineering and planning services, technical design services, architecture design services
-
construction and real estate
-
road and bridge construction
-
audit of construction works
-
design
-
design of water and sewerage
-
design of heating and ventilation systems
-
ventilation systems
-
architecture design firms
-
building projects
-
design companies
-
construction
-
heritage conservation
-
fire safety
-
construction
-
expert assessment of building design documentation
-
design, construction and maintenance of fire safety
-
detailed plans
-
electrical installations design
-
reconstruction
-
consultation
-
monitoring
-
architectural design
-
constructive design
-
design of electrical installation
-
heat pump installation
-
installation of gas boiler
-
radiators and floor heating
-
reconstruction of apartment buildings
-
design of office buildings and residential buildings
-
design of building structures
- Credit score:
- Reliable
- Reputation score:
- 1,480
- Employees:
- 4
- Forecast turnover (2026):
- 146,524 €
Engineering-technical design
architecture design firms, building projects, expert assessments, heating solutions, Design Companies, road and bridge construction, Water Systems, Construction, fire safety, Audit of construction works
-
construction and real estate
-
expert assessments
-
road and bridge construction
-
water systems
-
audit of construction works
-
design, construction and maintenance of fire safety
-
design of water supply and sewerage systems
-
architecture design firms
-
building projects
-
heating solutions
-
design companies
-
construction
-
fire safety
-
expert assessment of building design documentation
-
design of heating systems
-
engineering-technical design
- Credit score:
- Risky
- Reputation score:
- 1,260
- Employees:
- 10
- Forecast turnover (2026):
- 1,453,105 €
Engineering-technical design
design of buildings, traffic management projects, performance of construction and general construction audits, Owner supervision, equipment works, electrical works, audit, electrical works, Device work, audit services, heritage conservation services
-
construction and real estate
-
road and bridge construction
-
design
-
performance of construction and general construction audits
-
audit
-
audit services
-
architecture design firms
-
design companies
-
construction
-
heritage conservation
-
audit of construction works
-
expert assessment of building design documentation
-
construction research
-
making of traffic management projects
-
traffic management projects
-
owner supervision
-
equipment works, electrical works
-
electrical works
-
device work
-
design of buildings
-
road design
-
design of bridges
-
design of facilities
-
heritage conservation services
-
owner supervision services
-
engineering-technical design
- Credit score:
- Reliable
- Reputation score:
- 1,160
- Employees:
- 3
- Forecast turnover (2026):
- 249,082 €
Installation of air conditioning systems
Audit of construction works, heating systems construction, maintenance, Owner supervision, fire safety design, Design, Design, construction and maintenance of fire safety, Pressure equipment works, Expert assessment of building design documentation, Construction
-
construction and real estate
-
energy and mineral resources
-
central heating systems
-
equipment and machinery
-
audit of construction works
-
design, construction and maintenance of fire safety
-
design
-
heating
-
heating solutions
-
construction
-
fire safety
-
construction
-
expert assessment of building design documentation
-
pressure equipment works
-
fire safety design
-
owner supervision
-
maintenance
-
heating systems construction
-
installation of air conditioning systems