Company lists · Data refreshed October 2026

Top 25 Commercial energy retrofitting companies based in Sweden

Name: Commercial energy retrofitting companies based in Sweden
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 54 companies tracked

RevenueBase identified 54 company matches for commercial energy retrofitting companies associated with Sweden as of October 2026 and tracks 604 professional contacts across them, including 332 with verified work emails. Stockholm is the largest hub.

This list covers company matches for commercial energy retrofitting companies associated with Sweden, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 10, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 10, 2026 How this list was built

54Companies

604Contacts tracked

332Verified emails

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The 25 largest commercial energy retrofitting companies based in Sweden

Ranked by team size

Top 25 of 54 company matches for commercial energy retrofitting companies based in Sweden, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Indoor Energy	Exact match	Stockholm, SwedenHQ recorded Oct 10, 2026	201-500	132 contacts →
	Exact match “Våra kunder har de energieffektivaste fastigheterna!” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	LG Contracting AB	Exact match	Karlstad, SwedenHQ recorded Oct 10, 2026	51-200	57 contacts →
	Exact match “Vi på LG Contracting älska att skapa smarta energilösningar inom värme och sanitet så att du kan trivas och må bra, vare sig det gäller i hemmet eller på jobbet.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	Airson Engineering AB	Exact match	Ängelholm, SwedenHQ recorded Oct 10, 2026	11-50	53 contacts →
	Exact match “AirSon Engineering AB provides contracting and consulting within energy, building technology and controlled indoor environments.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Värmex AB	Exact match	Stockholm, SwedenHQ recorded Oct 10, 2026	11-50	33 contacts →
	Exact match “Värmex är tekniska specialister inom projektering, felsökning och injustering av energisystem i byggnader.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	ENGI	Exact match	Solna, SwedenHQ recorded Oct 10, 2026	11-50	30 contacts →
	Exact match “Konsultbolag med branschens bästa kompetens och största passion för energieffektivisering.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	Solar Energy Group	Exact match	Gävle, SwedenHQ recorded Oct 10, 2026	11-50	28 contacts →
	Exact match “Vi på Solar Energy Group gör det enkelt att investera i en mer hållbar framtid.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Creanova AB	Exact match	Sollentuna, SwedenHQ recorded Oct 10, 2026	11-50	25 contacts →
	Exact match “Vi är ett energikonsultföretag med huvudkontor i Sollentuna strax norr om Stockholm samt med filialkontor i Umeå.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Eniva Isolerproffs	Exact match	Täby, SwedenHQ recorded Oct 10, 2026	51-200	24 contacts →
	Exact match “ENIVA Isolerproffs erbjuder energieffektiva lösningar för företag, organisationer och privatpersoner.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Umia SYD AB	Exact match	Malmö, SwedenHQ recorded Oct 10, 2026	51-200	14 contacts →
	Exact match “Umiamodellen – en kontaktperson för allt El- och rörteknik, hör det ihop?” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Avent Drift & Innemiljö	Exact match	Kalmar, SwedenHQ recorded Oct 10, 2026	51-200	13 contacts →
	Exact match “Avent installerar, injusterar, energioptimerar och underhåller värme, kyl- och luftbehandlingsanläggningar samt utför total teknisk förvaltning under ansvar och med hög kompetens…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Qsec Energioptimering	Exact match	Gothenburg, SwedenHQ recorded Oct 10, 2026	11-50	13 contacts →
	Exact match “Vi erbjuder modern energioptimering för hållbara fastigheter.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Energipartner Sverige AB	Exact match	Bromma, SwedenHQ recorded Oct 10, 2026	11-50	12 contacts →
	Exact match “Energipartner har ända sedan starten 1984 fokuserat på att spara energi i fastigheter, och vi har tusentals nöjda kunder.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	Algeno	Exact match	Gothenburg, SwedenHQ recorded Oct 10, 2026	1-10	12 contacts →
	Exact match “Algeno sänker fastighetsägares energikostnader och minskar fastigheternas klimatpåverkan.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	Nrlyze AB	Exact match	Stockholm, SwedenHQ recorded Oct 10, 2026	1-10	9 contacts →
	Exact match “Nrlyze är ett team av nyfikna entreprenörer, fastighetsägare, drifttekniker och ingenjörer som byggt det vi själva saknat under decennier.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	JFK Jonas Folkesson Klimatservice	Exact match	Kristianstad, SwedenHQ recorded Oct 10, 2026	11-50	7 contacts →
	Exact match “Sedan 1995 har Jonas Folkesson tillsammans med sina medarbetare byggt ett företag som är en kunnig och pålitlig partner inom både projekt och service.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	Tektonik Nordic	Exact match	Finspång, SwedenHQ recorded Oct 10, 2026	1-10	6 contacts →
	Exact match “Tektonik erbjuder kommersiella fastighetsägare minskade energikostnader och ökade fastighetsvärden med hjälp av förnybar värme och kyla genom geoenergi.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	Isoleringslandslaget AB	Exact match	Upplands Vasby Stockholm, SwedenHQ recorded Oct 10, 2026	11-50	6 contacts →
	Exact match “Isoleringslandslaget startades med visionen att hjälpa våra kunder att spara pengar genom att sänka sina uppvärmningskostnader.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Leosol Energi	Exact match	Norrland, SwedenHQ recorded Oct 10, 2026	1-10	5 contacts →
	Exact match “Leosol hjälper fastighetsägare och verksamheter att minska energianvändningen, sänka driftskostnaderna och skapa bättre inomhusmiljöer genom smart energieffektivisering.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	GATE	Exact match	Umeå, SwedenHQ recorded Oct 10, 2026	11-50	5 contacts →
	Exact match “Gate är ett ingenjörsföretag med lång erfarenhet inom fastighetsautomation och energibesparing.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20	Nordisk Energioptimering	Exact match	Södertälje, SwedenHQ recorded Oct 10, 2026	11-50	4 contacts →
	Exact match “Vår vision är att vara den mest erfarna och kompetenta energioptimeraren på marknaden.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	Driftoptimering I Sverige AB	Exact match	Helsingborg, SwedenHQ recorded Oct 10, 2026	1-10	4 contacts →
	Exact match “Driftoptimering I Sverige AB Vi levererar energieffektiva helhetslösningar för en trygg och säker fastighetsdrift.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	Nexion Enertech AB	Exact match	Gothenburg, SwedenHQ recorded Oct 10, 2026	1-10	3 contacts →
	Exact match “Vi omdefinierar vad som är möjligt med hållbar energi.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23	ENEX	Exact match	Vaxholm, SwedenHQ recorded Oct 10, 2026	1-10	2 contacts →
	Exact match “Vår affärsidé är att hjälpa våra kunder att minska sin energianvändning och sina driftskostnader i fastigheten.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	Thermo-Logic AB	Exact match	Landvetter, SwedenHQ recorded Oct 10, 2026	11-50	2 contacts →
	Exact match “Thermo-Logic is a dynamic, innovative and service-minded company mainly focusing on optimizing energy costs and maintenance by Cool Roofing, Technical Insulation Solutions and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	Viking VVS Teknik AB	Exact match	Helsingborg, SwedenHQ recorded Oct 10, 2026	1-10	1 contacts →
	Exact match “Energioptimering av fastighetens VVS-system.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “commercial energy retrofitting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 54 commercial energy retrofitting companies based in Sweden

See the full list, filter by size, metro and specialty, and access 332 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Commercial energy retrofitting companies based in Sweden at a glance

As of Oct 10, 2026

55.0%Verified-email coverage

11.2Average contacts per company

11-50Median size (employees)

20.4%Largest-city concentration · Stockholm

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for Sweden, so it is reported there. Company counts and contact totals on this page are exact for Sweden, over 54 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Sweden whose business descriptions match “commercial energy retrofitting companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 332 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 10, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “commercial energy retrofitting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many commercial energy retrofitting companies are there based in Sweden?

RevenueBase identified 54 company matches for commercial energy retrofitting companies associated with Sweden as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Indoor Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most commercial energy retrofitting companies?

Stockholm leads with 11 company records, followed by Gothenburg (4) and Malmo (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 332 professional contacts with verified work emails tracked across these 54 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 10, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.