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TLT Group Oy

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uuid000nkjw

Namestring
TLT Group Oy
Legal namestring
TLT-Group Oy
Websiteurl
http://www.tltgroup.fi/
Company typeenum
Private
Founded yearint
2010
Descriptiontext

TLT Group is a turnkey provider of network solutions for energy infrastructure.

Short descriptiontext

TLT Group is a turnkey provider of network solutions for energy infrastructure.

Operating statusenum
Operating
Ownership categoryenum
Headcount rangeband
251–500
akta.pro rankint
HeadquartersTurku, Finland
HQ citystring
Turku
HQ countrystring
Finland
HQ regionstring
Europe
Markets served

Serves global market

Offices2 records

Each record includes

City, Country, Type, Description, Source

Keyword5 values
district heating construction, energy infrastructure, pipe welding services, network construction, substation infrastructure
Industry3 codes
1Testing, Commissioning & Energization Services (T&C)
CodeIMAFAHAKPrimaryYes
2Distribution Network O&M (MV/LV Lines, Switchgear, Transformers)
CodeEUAEAGAEPrimaryNo
3T&D maintenance, refurbishment & uprating services (reconductoring, life extension)
CodeEUADAKAHPrimaryNo
NAICS code4 codes
  • Steam and Air-Conditioning Supply221330
  • Steam and Air-Conditioning Supply22133
  • Electric Power Generation, Transmission and Distribution2211
  • Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance8113
SIC code1 code
  • Water, Sewer, Pipeline, Comm & Power Line Construction1623
Product category
Energy Infrastructure Construction Services
Social media profiles1 record
GTM motion1 record

Each record includes

Type, Description, Source

Revenue model4 records
1District Heating Network Construction
TypeProfessional Services
Description

Construction services for district heating and cooling networks including earthworks, pipe installation, welding, insulation, equipment installation, testing, commissioning, and documentation. Revenue generated through project-based contracts, often as multi-year annual agreements with energy utilities.

tltgroup.fi
2Maintenance and Repair Services
TypeProfessional Services
Description

Ongoing maintenance, repair, and fault management services for district heating networks. Provided through annual contracts and service agreements with energy companies.

tltgroup.fi
3Infrastructure Construction
TypeProfessional Services
Description

Foundation and infrastructure construction services for power plants, substations, transmission line foundations, battery storage facilities, and solar parks.

tltgroup.fi
4Network Construction
TypeProfessional Services
Description

Electrical and telecommunications network construction including underground and overhead cable systems, fiber optic networks, and water body cables.

tltgroup.fi
Marketing channels1 record

Each record includes

Title, Type, Stage, Description, Source

Distribution channels1 record

Each record includes

Title, Type, Scope, Target buyer, Description, Source

Cost components5 values
Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales
GTM typeB2B
B2B
Offering typeServices
Services
Core offering1 text field

TLT Group Oy, through its operating subsidiary TLT-Energy Oy, provides turnkey construction and maintenance services for district heating and cooling networks, energy infrastructure (power plants, substations, battery storage, solar parks), and electrical and telecommunications networks. Services span the full lifecycle from excavation and pipe welding through testing, commissioning, and ongoing maintenance, delivered primarily to Finnish energy utilities via multi-year annual contracts.

Differentiator
Functional benefit
Problem solved
Quantifiable outcome1 of 3 values shown
  • Over 20 years of continuous operation for Mäntsälä district heating network
+2 more records
Product overview1 text field

TLT Group Oy operates as a critical infrastructure construction company offering a full lifecycle service for district heating, district cooling, and steam networks. The company operates through three main service lines: (1) Kaukolämpö ja kaukokylmäverkkojen rakentaminen – district heating and cooling network construction covering excavation, pipe installation, welding, insulation, testing, and commissioning; (2) Infrarakentaminen – infrastructure construction for power plants, substations, transmission poles, battery storage, and solar parks; and (3) Verkostorakentaminen – electricity and telecommunications network construction including routing, permits, cable installation, and documentation. The company also specializes in steam networks, boiler plants, underwater cable installation, and maintenance services.

Product and service3 records
1District Heating and Cooling Network Construction (Kaukolämpö ja kaukokylmäverkkojen rakentaminen)
CategoryDistrict Heating and Cooling Infrastructure
Description

Turnkey construction of district heating and cooling networks for Finnish energy utilities, covering excavation, pipe installation, specialized welding, insulation, testing, commissioning, and ongoing maintenance. Delivered through multi-year annual contracts to customers including Turku Energia, Vantaan Energia, Pori Energia, Fortum, Helen, and Tampereen Energia.

2Infrastructure Construction for Energy Investments (Infrarakentaminen energiainvestoinneille)
CategoryEnergy Infrastructure Construction
Description

Foundation work, piling, concrete foundations, cable channels, earthworks, drainage, and stormwater systems for energy infrastructure including power plants, substations, transmission line poles, battery storage facilities, and solar parks.

3Network Construction (Verkostorakentaminen)
CategoryElectrical and Telecommunications Network Construction
Description

Complete implementation of electrical and data networks for distribution and telecommunications operators, including route planning, permits, underground cabling, overhead line structures, substations, protections, testing, commissioning, and full documentation. Also covers water body cable installation.

Scale indicator5 records

Each record includes

Type, Value, Description, Source

Recent move11 records

Each record includes

Date, Type, Title, Description, Source

Expansion highlight4 records

Each record includes

Type, Description

Peers10 records
1Destia
TypeDirect peer
Description

One of Finland's largest infrastructure construction companies, performing energy, road, and rail network construction. Directly comparable as the most prominent Finnish infrastructure contractor serving utility clients with similar trenching, pipeline, and substation foundation work.

2Eltel Networks
TypeDirect peer
Description

Nordic-based specialist in power and communication network construction and maintenance. Operates in the same contractor space for distribution networks, substations, and underground cabling across the Nordics, with similar B2B utility customer base.

3Caverion
TypeBroad incumbent
Description

Finnish-headquartered building solutions and energy infrastructure provider offering district heating, district cooling, and industrial energy services. Significantly larger and broader in scope, but competes for the same energy utility capex projects in Finland.

4Voimatel
TypeDirect peer
Description

Finnish electrical network construction and maintenance specialist serving distribution system operators. Directly comparable in serving Finnish energy utilities with construction, fault repair, and maintenance — overlapping with TLT's electrical network construction service line.

5Netel
TypeDirect peer
Description

Nordic network infrastructure services provider covering power, telecom, and fiber networks. Comparable business model of project-based construction and maintenance for utility customers across the Nordics, though with broader geographic spread.

6YIT
TypeBroad incumbent
Description

Major Finnish construction and real estate developer. While broader than TLT, it competes for infrastructure and energy construction tenders in Finland and operates in similar district heating and energy infrastructure project work.

7NCC
TypeBroad incumbent
Description

Major Nordic construction company with infrastructure, building, and industry divisions. Competes for larger energy and infrastructure projects in Finland and Sweden, overlapping with TLT's power plant infrastructure and utility network work.

8Skanska
TypeBroad incumbent
Description

Global construction and infrastructure group with substantial Nordic operations. Larger and broader but competes at the upper end of energy infrastructure tenders in Finland, including district heating and power plant civil works.

9OneCo
TypeRegional player
Description

Norwegian-based infrastructure services provider for power networks, telecom, and energy infrastructure. Comparable business model specializing in network construction and maintenance for utility customers, though primarily Norwegian operations.

10Omexom (Vinci Energies)
TypeBroad incumbent
Description

Vinci Energies' infrastructure brand with global presence in energy T&D, substations, and renewable energy construction. As the parent group's specialist brand, it is the closest internal strategic comparable and could route larger or international projects alongside TLT-Energy.

Market position
Strengths4 records

Each record includes

Headline, Details, Source

Weaknesses5 records

Each record includes

Headline, Details, Source

Competitive moat5 records

Each record includes

Type, Details

Key risks5 records

Each record includes

Headline, Details, Source

Key highlights6 records

Each record includes

Headline, Details, Source

Customer concentration

Classification, Details

Named customers10 records

Each record includes

Name, Industry, Type, Use case, Source, UUID

Segment3 records

Each record includes

Title, Type, Primary, Description, Pain point addressed, Use case, Source

Ideal customer profile2 records

Each record includes

Profile, Firmographic size, Sales motion, Sales cycle length, Buying structure, Purchase trigger, Buyer persona, Geography, Industry vertical, Primary use case, Description, Pain points, Evidence proof points, Target buyer

Technology focused
No
API detail
Has APIbool
No

Docs URL, Description

AI maturity
App detail

Has app

Feature4 records

Each record includes

Title, Differentiator, Description, Source

Core technology
Revenue estimate
Valuation estimate
Number of profiles
Profiles7 records

Each record includes

Name, Designation, Designation category, Overview, Profile commentary, Source

Subsidiaries2 records

Each record includes

Name, Acquired on, Relationship type, Type, Business focus

Compliance3 records

Each record includes

Name, Class, Description

Funding overview

Funding stage, Last funding date, Total funding USD

Funding rounds

Each record includes

Round, Amount USD, Date, Pre money valuation, Total investors, Investors, News

Investors

Each record includes

Name, Type, Date of entry, Rounds participated, Website

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Each record includes

Name, Acquisition type, Announced date, Completed date, Status, Website, News

Investment

Each record includes

Name, Round, Announced date, Lead investor, Website, News

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

TLT Group Oy

Energy Infrastructure Construction Servicestltgroup.fi

TLT Group is a turnkey provider of network solutions for energy infrastructure.

What TLT Group Oy does

TLT Group is a turnkey provider of network solutions for energy infrastructure.

TLT Group Oy firmographics

Firmographics
Name
TLT Group Oy
Legal name
TLT-Group Oy
Website
http://www.tltgroup.fi/
Company type
Private
Founded year
2010
Operating status
Operating
Headcount range
251–500 employees
Short description
TLT Group is a turnkey provider of network solutions for energy infrastructure.
Ownership category
akta.pro rank

TLT Group Oy industry classification

Industry
Product category
Energy Infrastructure Construction Services
NAICS
Steam and Air-Conditioning Supply (221330), Steam and Air-Conditioning Supply (22133), Electric Power Generation, Transmission and Distribution (2211), Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance (8113)
SIC
Water, Sewer, Pipeline, Comm & Power Line Construction (1623)
akta.pro primary industry
Testing, Commissioning & Energization Services (T&C) (IMAFAHAK)
akta.pro secondary industries
Distribution Network O&M (MV/LV Lines, Switchgear, Transformers) (EUAEAGAE), T&D maintenance, refurbishment & uprating services (reconductoring, life extension) (EUADAKAH)

Keywords

  • District heating construction
  • Energy infrastructure
  • Pipe welding services
  • Network construction
  • Substation infrastructure

Where TLT Group Oy is headquartered

Location

Headquarters

HQ city
Turku
HQ country
Finland
HQ region
Europe

Offices2 records

Markets served

TLT Group Oy business model

Business model
GTM type
B2B
Offering type
Services
Cost components
Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

  1. District Heating Network Construction: Construction services for district heating and cooling networks including earthworks, pipe installation, welding, insulation, equipment installation, testing, commissioning, and documentation. Revenue generated through project-based contracts, often as multi-year annual agreements with energy utilities.
  2. Maintenance and Repair Services: Ongoing maintenance, repair, and fault management services for district heating networks. Provided through annual contracts and service agreements with energy companies.
  3. Infrastructure Construction: Foundation and infrastructure construction services for power plants, substations, transmission line foundations, battery storage facilities, and solar parks.
  4. Network Construction: Electrical and telecommunications network construction including underground and overhead cable systems, fiber optic networks, and water body cables.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

TLT Group Oy product offering

Product offering

Core offering

TLT Group Oy, through its operating subsidiary TLT-Energy Oy, provides turnkey construction and maintenance services for district heating and cooling networks, energy infrastructure (power plants, substations, battery storage, solar parks), and electrical and telecommunications networks. Services span the full lifecycle from excavation and pipe welding through testing, commissioning, and ongoing maintenance, delivered primarily to Finnish energy utilities via multi-year annual contracts.

Product overview

TLT Group Oy operates as a critical infrastructure construction company offering a full lifecycle service for district heating, district cooling, and steam networks. The company operates through three main service lines: (1) Kaukolämpö ja kaukokylmäverkkojen rakentaminen – district heating and cooling network construction covering excavation, pipe installation, welding, insulation, testing, and commissioning; (2) Infrarakentaminen – infrastructure construction for power plants, substations, transmission poles, battery storage, and solar parks; and (3) Verkostorakentaminen – electricity and telecommunications network construction including routing, permits, cable installation, and documentation. The company also specializes in steam networks, boiler plants, underwater cable installation, and maintenance services.

Differentiator

Problem solved

Functional benefit

Products and services

  • District Heating and Cooling Network Construction (Kaukolämpö ja kaukokylmäverkkojen rakentaminen) Turnkey construction of district heating and cooling networks for Finnish energy utilities, covering excavation, pipe installation, specialized welding, insulation, testing, commissioning, and ongoing maintenance. Delivered through multi-year annual contracts to customers including Turku Energia, Vantaan Energia, Pori Energia, Fortum, Helen, and Tampereen Energia.
  • Infrastructure Construction for Energy Investments (Infrarakentaminen energiainvestoinneille) Foundation work, piling, concrete foundations, cable channels, earthworks, drainage, and stormwater systems for energy infrastructure including power plants, substations, transmission line poles, battery storage facilities, and solar parks.
  • Network Construction (Verkostorakentaminen) Complete implementation of electrical and data networks for distribution and telecommunications operators, including route planning, permits, underground cabling, overhead line structures, substations, protections, testing, commissioning, and full documentation. Also covers water body cable installation.

Quantifiable outcome

  • Over 20 years of continuous operation for Mäntsälä district heating network
  • +2 more outcomes

Companies that use TLT Group Oy

Customer profile

Named customers10 records

Segments3 records

Ideal customer profiles2 records

TLT Group Oy technology and API

Technology

Technology focussed No

API detail

Has API
No
API docs
API detail

Core technology

AI maturity

App detail

Feature4 records

TLT Group Oy partnerships and signals

Strategic signal

Scale indicators5 records

Recent moves11 records

Expansion highlights4 records

TLT Group Oy competitors and assessment

Company assessment

Direct peers

  • Destia: One of Finland's largest infrastructure construction companies, performing energy, road, and rail network construction. Directly comparable as the most prominent Finnish infrastructure contractor serving utility clients with similar trenching, pipeline, and substation foundation work.
  • Eltel Networks: Nordic-based specialist in power and communication network construction and maintenance. Operates in the same contractor space for distribution networks, substations, and underground cabling across the Nordics, with similar B2B utility customer base.
  • Voimatel: Finnish electrical network construction and maintenance specialist serving distribution system operators. Directly comparable in serving Finnish energy utilities with construction, fault repair, and maintenance — overlapping with TLT's electrical network construction service line.
  • Netel: Nordic network infrastructure services provider covering power, telecom, and fiber networks. Comparable business model of project-based construction and maintenance for utility customers across the Nordics, though with broader geographic spread.

Broad incumbents

  • Caverion: Finnish-headquartered building solutions and energy infrastructure provider offering district heating, district cooling, and industrial energy services. Significantly larger and broader in scope, but competes for the same energy utility capex projects in Finland.
  • YIT: Major Finnish construction and real estate developer. While broader than TLT, it competes for infrastructure and energy construction tenders in Finland and operates in similar district heating and energy infrastructure project work.
  • NCC: Major Nordic construction company with infrastructure, building, and industry divisions. Competes for larger energy and infrastructure projects in Finland and Sweden, overlapping with TLT's power plant infrastructure and utility network work.
  • Skanska: Global construction and infrastructure group with substantial Nordic operations. Larger and broader but competes at the upper end of energy infrastructure tenders in Finland, including district heating and power plant civil works.
  • Omexom (Vinci Energies): Vinci Energies' infrastructure brand with global presence in energy T&D, substations, and renewable energy construction. As the parent group's specialist brand, it is the closest internal strategic comparable and could route larger or international projects alongside TLT-Energy.

Regional players

  • OneCo: Norwegian-based infrastructure services provider for power networks, telecom, and energy infrastructure. Comparable business model specializing in network construction and maintenance for utility customers, though primarily Norwegian operations.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

TLT Group Oy social profiles

Digital presence

TLT Group Oy compliance and trust

Trust signal

Compliance3 records

TLT Group Oy financial estimates

Financial estimate

Revenue estimate

Valuation estimate

TLT Group Oy leadership team

Management profile

Number of profiles

Profiles7 records

TLT Group Oy subsidiaries and ownership

Company hierarchy

Subsidiaries2 records

TLT Group Oy funding detail

Funding detail

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

TLT Group Oy M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about TLT Group Oy

What does TLT Group Oy do?

TLT Group Oy, through its operating subsidiary TLT-Energy Oy, provides turnkey construction and maintenance services for district heating and cooling networks, energy infrastructure (power plants, substations, battery storage, solar parks), and electrical and telecommunications networks. Services span the full lifecycle from excavation and pipe welding through testing, commissioning, and ongoing maintenance, delivered primarily to Finnish energy utilities via multi-year annual contracts.

Is TLT Group Oy a public or private company?

TLT Group Oy is a private company. It is classified as corporate owned and is currently operating.

When was TLT Group Oy founded?

TLT Group Oy was founded in 2010. It employs 251 to 500 people.

Where is TLT Group Oy based?

TLT Group Oy is headquartered in Turku, Finland, in the Europe region.

How does TLT Group Oy make money?

Four revenue lines are on record. District Heating Network Construction is the primary driver. The others are maintenance and Repair Services, infrastructure Construction and network Construction.

Who are TLT Group Oy's main competitors?

Direct peers on record are Destia, Eltel Networks, Voimatel and Netel. Broad incumbents are Caverion, YIT, NCC, Skanska and Omexom (Vinci Energies). OneCo is listed as a regional player.

Does TLT Group Oy have an API?

No public API is recorded for TLT Group Oy.

What industry is TLT Group Oy in?

TLT Group Oy's product category is Energy Infrastructure Construction Services. Its primary akta.pro industry code is IMAFAHAK, Testing, Commissioning & Energization Services (T&C), with a secondary code of EUAEAGAE, Distribution Network O&M (MV/LV Lines, Switchgear, Transformers). Its NAICS code is 221330 and its SIC code is 1623.

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