Company lists · Data refreshed September 2026

Top 25 Construction operations management companies based in Norway

RevenueBase identified 156 construction operations management companies headquartered in Norway as of September 2026 and tracks 1,475 professional contacts across them, including 571 with verified work emails. Oslo is the largest hub.

This list covers construction operations management companies headquartered in Norway, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 15, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 15, 2026 86% judged on-target in blind review
156Companies
1,475Contacts tracked
571Verified emails
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The 25 largest construction operations management companies based in Norway

Ranked by team size
Top 25 of 156 construction operations management companies based in Norway, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to construction operations management companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceOslo, NorwayHQ checked Sep 15, 2026201-500375 contacts →

Indirect evidence

“WSP Norge er en av Norges ledende virksomheter innen profesjonell prosjektledelse.”

Source: RevenueBase Database · checked Sep 15, 2026
2Indirect evidenceSandnes, NorwayHQ checked Sep 15, 202651-200117 contacts →

Indirect evidence

“Novaform er et selskap bestående av konsulenter som utelukkende driver med prosjektadministrasjon.”

Source: RevenueBase Database · checked Sep 15, 2026
3Indirect evidenceTrondheim, NorwayHQ checked Sep 15, 2026201-50093 contacts →

Indirect evidence

“Ruta Entreprenør har siden oppstarten i 2007 vokst og blitt en betydelig aktør i Midt-Norge og på Østlandet.”

Source: RevenueBase Database · checked Sep 15, 2026
4Indirect evidenceVestby, NorwayHQ checked Sep 15, 202651-20044 contacts →

Indirect evidence

“Totalentreprenøren J.I.”

Source: RevenueBase Database · checked Sep 15, 2026
5Indirect evidenceOslo, NorwayHQ checked Sep 15, 202651-20043 contacts →

Indirect evidence

“Elisabeth Aase etablerte firmaet Aase Byggeadministrasjon AS som et enkeltmannsforetak i 1991.”

Source: RevenueBase Database · checked Sep 15, 2026
6Indirect evidenceHvalstad, NorwayHQ checked Sep 15, 202651-20042 contacts →

Indirect evidence

“Asker Entreprenør er en entreprenørbedrift med hovedkontor på Hvalstad i Asker, regionkontor i Nittedal, Follo/Østfold og Ringerike.”

Source: RevenueBase Database · checked Sep 15, 2026
7Indirect evidenceOslo, NorwayHQ checked Sep 15, 202611-5038 contacts →

Indirect evidence

“Magna har siden 2019 bygget et miljø med gode kollegaer og sterk kompetanse innen prosjektledelse.”

Source: RevenueBase Database · checked Sep 15, 2026
8Indirect evidenceBergen, NorwayHQ checked Sep 15, 202651-20028 contacts →

Indirect evidence

“Byggmester Markhus AS er en byggmesterbedrift som legger sterk vekt på å bygge gode og langsiktige relasjoner med våre kunder.”

Source: RevenueBase Database · checked Sep 15, 2026
9Indirect evidenceUlset, NorwayHQ checked Sep 15, 202651-20027 contacts →

Indirect evidence

“Åsane Byggmesterforretning AS (ÅBF AS) har 30års erfaring fra byggebransjen i Hordaland.”

Source: RevenueBase Database · checked Sep 15, 2026
10Indirect evidenceKjeller, NorwayHQ checked Sep 15, 202651-20020 contacts →

Indirect evidence

“Østheimgruppen er totalleverandør av tjenester for oppføring, forvaltning og vedlikehold av eiendom.”

Source: RevenueBase Database · checked Sep 15, 2026
11Indirect evidenceKristiansand, NorwayHQ checked Sep 15, 202651-20019 contacts →

Indirect evidence

“Backe Sør er en del av Backe Entreprenør, en av Norges største entreprenører og prosjektutviklere.”

Source: RevenueBase Database · checked Sep 15, 2026
12Indirect evidenceBergen, NorwayHQ checked Sep 15, 202611-5014 contacts →

Indirect evidence

“OPAK Bergen AS er et selskap i OPAK Gruppen AS.”

Source: RevenueBase Database · checked Sep 15, 2026
13Indirect evidenceNesttun, NorwayHQ checked Sep 15, 202611-5013 contacts →

Indirect evidence

“Firmaet Kepla AS er et frittstående rådgivningsfirma innen prosjektadministrative tjenester.”

Source: RevenueBase Database · checked Sep 15, 2026
14Indirect evidenceHokksund, NorwayHQ checked Sep 15, 202651-20013 contacts →

Indirect evidence

“Flaget AS er en solid entreprenør innen tømrer- og betongarbeider med base i Øvre Eiker.”

Source: RevenueBase Database · checked Sep 15, 2026
15Indirect evidenceDrammen, NorwayHQ checked Sep 15, 202611-5013 contacts →

Indirect evidence

“Trebo er en totaltentreprenør som jobber med alt fra privatboliger til større eiendomsprosjekter.”

Source: RevenueBase Database · checked Sep 15, 2026
16Partial evidenceOslo, NorwayHQ checked Sep 15, 202611-5013 contacts →

Partial evidence

“Paradigme AS mainly offers assistance to companies in the construction industry, but also has experience from oil and gas industry.”

Source: RevenueBase Database · checked Sep 15, 2026
17Indirect evidenceOslo, NorwayHQ checked Sep 15, 202651-20013 contacts →

Indirect evidence

“Workman AS er en Oslo-basert byggentreprenør med solid kompetanse innen byggeteknikk og prosjektledelse.”

Source: RevenueBase Database · checked Sep 15, 2026
18Indirect evidenceLierstranda, NorwayHQ checked Sep 15, 202611-5011 contacts →

Indirect evidence

“VIAM er en ingeniør- og prosjektlederbedrift for tekniske fag og ITB.”

Source: RevenueBase Database · checked Sep 15, 2026
19Indirect evidenceSarpsborg, NorwayHQ checked Sep 15, 202611-5011 contacts →

Indirect evidence

“Vi tilbyr alt fra nybygg til tilbygg- og rehabiliteringsoppdrag innen næringsbygg.”

Source: RevenueBase Database · checked Sep 15, 2026
20Indirect evidenceOslo, NorwayHQ checked Sep 15, 202651-20011 contacts →

Indirect evidence

“Oslo Entreprenørbedrift AS er en totalentreprenør og mesterbedrift innen rehabilitering av næringsbygg, borettslag/sameie og offentlig anskaffelse.”

Source: RevenueBase Database · checked Sep 15, 2026
21Indirect evidenceOslo, NorwayHQ checked Sep 15, 20261-1010 contacts →

Indirect evidence

“Huslid Consult AS er et konsulentbyrå som kan tilbyr tjenester til offentlige byggherrer, eiendomsutviklere, entreprenører og privatpersoner.”

Source: RevenueBase Database · checked Sep 15, 2026
22Indirect evidenceStryn, NorwayHQ checked Sep 15, 202611-5010 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026
23Indirect evidenceMo I Rana, NorwayHQ checked Sep 15, 202611-508 contacts →

Indirect evidence

“Vi tilbyr konsulent- og prosjekteringstjenester innen bygg og anleggsbransjen samt eiendom.”

Source: RevenueBase Database · checked Sep 15, 2026
24Partial evidenceOslo, NorwayHQ checked Sep 15, 202611-508 contacts →

Partial evidence

“M3 Management (M3) er et konsulentselskap som tilbyr kunnskapstjenester til både profesjonelle og private aktører innenfor bygge- og eiendomsbransjen med hovedfokus på-…”

Source: RevenueBase Database · checked Sep 15, 2026
25Partial evidenceOslo, NorwayHQ checked Sep 15, 20261-107 contacts →

Partial evidence

“Civil Management AS er et prosjektlederfirma som skaper verdier for våre kunder og eiere gjennom kompetente medarbeidere.”

Source: RevenueBase Database · checked Sep 15, 2026

Showing 25 of 156 construction operations management companies based in Norway

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Construction operations management companies based in Norway at a glance

As of Sep 15, 2026
38.7%Verified-email coverage
9.5Average contacts per company
1-10Median size (employees)
18.6%Largest-city concentration · Oslo
Sep 15, 2026Page data refreshed

Companies by employee count

1-10
86
11-50
46
51-200
19
201-500
2
501-1,000
1

Email recency for this list is measured worldwide rather than for Norway, so it is reported there. Company counts and contact totals on this page are exact for Norway, over 156 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among construction operations management companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Norway whose own description of what they do matches “construction operations management companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names construction operations management companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among construction operations management companies, and records with no verified work email. Companies headquartered outside Norway are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 571 across the full list. 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 September 15, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Construction operations management companies by metro

  • Construction operations management companies in Oslo29

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names construction operations management companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many construction operations management companies are there based in Norway?

RevenueBase identified 156 construction operations management companies headquartered in Norway as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

WSP I Norge, headquartered in Oslo, tops this list with the largest team on record.

Which city has the most construction operations management companies?

Oslo leads with 29 headquartered companies, followed by Alesund (5) and Bergen (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 571 verified decision-maker contacts tracked across these 156 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 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 Smart Search, 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.