Company lists · Data refreshed September 2026

Top 25 Construction consulting firms based in Oslo, Norway

Name: Construction consulting firms based in Oslo, Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 8, 2026 54 companies tracked

RevenueBase identified 54 company matches for construction consulting firms associated with Oslo, Norway as of September 2026 and tracks 3,168 professional contacts across them, including 1,579 with verified work emails and 71 with mobile numbers. Across Norway, Oslo is the largest hub for this category.

This list covers company matches for construction consulting firms associated with Oslo, Norway, 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 September 8, 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 Sep 8, 2026 How this list was built

54Companies

3,168Contacts tracked

1,579Verified emails

71Mobile numbers

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The 25 largest construction consulting firms based in Oslo, Norway

Ranked by team size

Top 25 of 54 company matches for construction consulting firms based in Oslo, Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 8, 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	Multiconsult	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1,001-5,000	2,553 contacts →
	Exact match “Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
2	Opak AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	51-200	158 contacts →
	Exact match “Vi vet at våre råd har stor betydning.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
3	Aas-Jakobsen AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	51-200	115 contacts →
	Exact match “Aas-Jakobsen is a leading civil engineering consulting firm in Norway.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
4	Ingenia AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	42 contacts →
	Exact match “Ingenia tilbyr rådgivende tjenester innen energi- og klima-teknikk, VA, VVS, bygningsfysikk, brannteknikk og ITB.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
5	Prognosesenteret AS Powered By Hubexo	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	25 contacts →
	Exact match “Prognosesenteret AS is an independent consultancy company focusing on the construction, civil engineering, real estate and commerce business in the Nordic countries.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
6	Meinich Arkitekter AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	20 contacts →
	Exact match “Meinich Arkitekter er et tradisjonsrikt og nyskapende arkitektkontor på Briskeby i Oslo.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
7	Prosjekt & Byggherre Consult AS PBC AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	15 contacts →
	Exact match “Med over 30 års erfaring fra bygge- og anleggsbransjen, kan våre ansatte hjelpe deg gjennom alle prosjektets faser.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
8	Vitreo AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	15 contacts →
	Exact match “I Vitreo samler vi betydelig kompetanse og forretningsforståelse innen arkitektur og ingeniørfag i et handlekraftig, tverrfaglig fellesskap, med mål om å kunne levere varig verdi…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
9	Nordic Infra AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	13 contacts →
	Exact match “Om oss Erfaring, kompetanse og nettverk.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
10	Paradigme AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	13 contacts →
	Exact match “Paradigme AS mainly offers assistance to companies in the construction industry, but also has experience from oil and gas industry.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
11	Huslid Consult AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1-10	10 contacts →
	Exact match “Huslid Consult AS er et konsulentbyrå som kan tilbyr tjenester til offentlige byggherrer, eiendomsutviklere, entreprenører og privatpersoner.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
12	Øyvind Moen AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	8 contacts →
	Exact match “Vi har kompetanse innen både tradisjonell byggeteknikk, samt VVS og elektroteknikk.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
13	K. Apeland	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	8 contacts →
	Exact match “K.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
14	M3 Management	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	8 contacts →
	Exact match “M3 Management (M3) er et konsulentselskap som tilbyr kunnskapstjenester til både profesjonelle og private aktører innenfor bygge- og eiendomsbransjen med hovedfokus på-…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
15	VA Visjon	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1-10	7 contacts →
	Exact match “VA Visjon sørger for at VA- og overvann i ditt prosjekt blir ivaretatt på en måte som skaper verdi for prosjektet.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
16	Ing. Rasmussen & Strand AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	7 contacts →
	Exact match “Fremoverlente rådgivende ingeniører innen samferdsel, bygg, bane og byggeledelse.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
17	B-Consult	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1-10	6 contacts →
	Exact match “B-Consult er et rådgivende ingeniørfirma i byggeteknikk, prosjektadministrasjon og byggesak.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
18	Ingeniørene Seim & Hultgreen AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	5 contacts →
	Exact match “Ingeniørene Seim & Hultgreen AS har byggetekninsk prosjektering og rådgivning som arbeidsområde.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
19	PRO Partners AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1-10	5 contacts →
	Exact match “ProPartners er et selskap som tilbyr uavhengig prosjekt- og byggeledelse.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
20	Gada Byggeteknikk	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1-10	5 contacts →
	Exact match “Rådgivende ingeniører konstruksjonssikkerhet” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
21	Djerving AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	3 contacts →
	Exact match “Djerving er byggetekniske rådgivere som finner og skaper løsninger som bygger bro mellom visjon og realisert prosjekt.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
22	Rivier Rådgivende Ingeniører	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1-10	3 contacts →
	Exact match “Rivier AS består av drevne ingeniører som utfører rådgivning og prosjektering innen fagfeltene VVS, sprinkler og VA.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
23	Foyn Consult AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1-10	3 contacts →
	Exact match “Foyn Consult AS ble etablert i 1996 og er et uavhengig rådgivende ingeniørfirma innenfor elektroteknikk, kraft- og teleteknikk.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
24	Magna Construction Management AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	11-50	3 contacts →
	Exact match “Magna Construction Management offers construction management services that involve overseeing the planning, design, and construction of building projects to ensure they are…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
25	Kpp-Byggadministrasjon AS	Exact match	Oslo, NorwayHQ recorded Sep 8, 2026	1-10	3 contacts →
	Exact match “KPP-Byggadministrasjon as leverer prosjektadministrative tjenester, og tar i det alt vesentlige oppdrag for private og offentlige byggherrer.” Recorded in the RevenueBase company graph · Sep 8, 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 “construction consulting firms”. 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 construction consulting firms based in Oslo, Norway

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Construction consulting firms based in Oslo, Norway at a glance

As of Sep 8, 2026

49.8%Verified-email coverage

2.2%Mobile-number coverage

58.7Average contacts per company

1-10Median size (employees)

Sep 8, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 10.0d

1,4070–30

13631–60

361–90

290–180

31180+

Company record updated

Median 74.0d

00–30

1,24731–60

1,74661–90

9690–180

79180+

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 Oslo, Norway whose business descriptions match “construction consulting firms” 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 1,579 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 September 8, 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 “construction consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many construction consulting firms are there based in Oslo, Norway?

RevenueBase identified 54 company matches for construction consulting firms associated with Oslo, Norway as of September 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?

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

Which city in Norway has the most construction consulting firms?

Oslo leads Norway with 50 company records, followed by Bergen (12) and Stavanger (7).

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 1,579 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 September 8, 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.