Company lists · Data refreshed September 2026

Top 25 Commercial consulting firms based in Oslo, Norway

Name: Commercial 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 28, 2026 122 companies tracked

RevenueBase identified 122 commercial consulting firms headquartered in Oslo, Norway as of September 2026 and tracks 595 professional contacts across them, including 147 with verified work emails. Across Norway, Oslo is the largest hub for this category.

This list covers commercial consulting firms headquartered in Oslo, 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 28, 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 28, 2026 86% judged on-target in blind review

122Companies

595Contacts tracked

147Verified emails

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The 25 largest commercial consulting firms based in Oslo, Norway

Ranked by team size

Top 25 of 122 commercial consulting firms based in Oslo, Norway, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to commercial consulting firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Arkwright Consulting	Partial evidence	Oslo, NorwayHQ checked Sep 28, 2026	51-200	156 contacts →
	Partial evidence “Arkwright is a Northern European top-tier management consulting firm with offices in Oslo, Stockholm, Hamburg, and London.” Source: RevenueBase Database · checked Sep 28, 2026
2	Studconsult AS	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	28 contacts →
	Indirect evidence “StudConsult er et non-profit konsulentselskap, drevet av dyktige og engasjerte studenter ved Handelshøyskolen BI i Oslo.” Source: RevenueBase Database · checked Sep 28, 2026
3	Differ Strategy Consulting	Partial evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	26 contacts →
	Partial evidence “Differ is a Nordic management consulting firm helping companies achieve market impact through next generation consultancy services - Pragmatic Strategy Development and Innovative…” Source: RevenueBase Database · checked Sep 28, 2026
4	Infuture	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	23 contacts →
	Indirect evidence “inFuture er et ledende rådgivningsmiljø innen strategi og innovasjon, med spesielt fokus på forretningsutvikling for tjenesteytende virksomheter.” Source: RevenueBase Database · checked Sep 28, 2026
5	Everdeen DA	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	21 contacts →
	Indirect evidence “Everdeen er et selskap for konsulenter som ønsker friheten og inntektene ved å være selvstendig konsulent, uten all risikoen.” Source: RevenueBase Database · checked Sep 28, 2026
6	Varder	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	18 contacts →
	Indirect evidence “Varder er et samarbeid mellom Advokatfirmaet Hulaas og HCA Revisjon & Rådgivning.” Source: RevenueBase Database · checked Sep 28, 2026
7	Revisjonsfirmaet Flattum & CO AS	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “We are a strong, interdisciplinary team of auditors, accountants, lawyers and advisors.” Source: RevenueBase Database · checked Sep 28, 2026
8	Paradigme AS	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	13 contacts →
	Indirect 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 28, 2026
9	Nordic Adviser AS	Partial evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “Nordic Adviser delivers management consulting and project management to large and medium sized organisations in the private and public sector.” Source: RevenueBase Database · checked Sep 28, 2026
10	AGERA	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	11 contacts →
	Indirect evidence “Agera er et veletablert og seniortung rådgivingsselskap, spesialisert på vekststrategi.” Source: RevenueBase Database · checked Sep 28, 2026
11	S7 - Systems7	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	9 contacts →
	Indirect evidence “Systems7 – S7 for short – is an Oslo-based advisory firm that exists to help the businesses that matter to the future outperform the ones that don’t.” Source: RevenueBase Database · checked Sep 28, 2026
12	Ontogeny	Partial evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “Ontogeny is a Norwegian company uniquely positioned at the intersection of management consulting and corporate finance.” Source: RevenueBase Database · checked Sep 28, 2026
13	Emerge	Partial evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	7 contacts →
	Partial evidence “Emerge Consulting is an independent Norwegian management consulting firm averaging 20 years experience covering more than 200 projects within a wide range of topics, business…” Source: RevenueBase Database · checked Sep 28, 2026
14	Advalo	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “ADVALO ble etablert i 2021, og tilbyr ledelse og lederstøtte gjennom ansatte med bred, operativ erfaring fra tidligere lederroller.” Source: RevenueBase Database · checked Sep 28, 2026
15	ECO Corporate	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Eco Corporate is a partner-run consultancy within business advisory and transaction (M&A) services.” Source: RevenueBase Database · checked Sep 28, 2026
16	Mimir AS	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Mimir as har siden 1996 levert rådgivningstjenester til private bedrifter og attraksjoner, til reisemål, offentlige etater, Innovasjon Norge og en rekke andre kunder i hele landet.” Source: RevenueBase Database · checked Sep 28, 2026
17	Batera Nordic	Partial evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “Helps companies and organizations execute on the growth strategy; Commercialization, Brand Positioning, Value Proposition Development, Marketing and content planning, Go-To-Market…” Source: RevenueBase Database · checked Sep 28, 2026
18	Bespoke Scaling	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “We’re here to help you grow-faster, smarter, and bigger than you thought possible.” Source: RevenueBase Database · checked Sep 28, 2026
19	KWC AS	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence “KWC er et ledende miljø innen verdivurdering av selskaper.” Source: RevenueBase Database · checked Sep 28, 2026
20	Diffrent	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “Vi er spesialister med dyp ekspertise i våre fagområder.” Source: RevenueBase Database · checked Sep 28, 2026
21	Veridian	Strong evidence	Oslo, NorwayHQ checked Sep 28, 2026	11-50	4 contacts →
	Strong evidence “Professional consulting in Real Estate and Corporate Finance Veridian is an interdisciplinary consulting company with expertise in commercial real estate and corporate finance.” Source: RevenueBase Database · checked Sep 28, 2026
22	Emendor Advisors AS	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “EMENDOR ADVISORS - hos oss vil du møte rådgivere med en unik kombinasjon av toppleder- og rådgivererfaring fra f.eks.” Source: RevenueBase Database · checked Sep 28, 2026
23	Vaar Consulting	Partial evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “Vaar Consulting AS er et konsulentselskap som bistår offentlige og private kunder i alle anskaffelsesprosesser.” Source: RevenueBase Database · checked Sep 28, 2026
24	Plus Consulting AS	Partial evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “Plus Consulting er et konsulentselskap som leverer tjenester til store og mellomstore selskaper.” Source: RevenueBase Database · checked Sep 28, 2026
25	Rann Rådgivning AS	Indirect evidence	Oslo, NorwayHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “Rann er et uavhengig rådgivningsselskap bestående av erfarne rådgivere.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: commercial consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names commercial consulting firms.
Partial evidence: Its own public description names part of commercial consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name commercial consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 122 commercial consulting firms based in Oslo, Norway

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Commercial consulting firms based in Oslo, Norway at a glance

As of Sep 28, 2026

24.7%Verified-email coverage

4.9Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

102

11-50

51-200

Email recency for this list is measured across the whole Norway list rather than for Oslo, so it is reported there. Company counts and contact totals on this page are exact for Oslo, over 122 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 commercial consulting firms, 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 Oslo, Norway whose own description of what they do matches “commercial consulting firms”. 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 commercial consulting firms), 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 commercial consulting firms, and records with no verified work email. Companies headquartered outside Oslo 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, 147 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 28, 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.

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 commercial consulting firms, 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 commercial consulting firms are there based in Oslo, Norway?

RevenueBase identified 122 commercial consulting firms headquartered in Oslo, 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?

Arkwright Consulting, headquartered in Oslo, tops this list with the largest team on record.

Which city in Norway has the most commercial consulting firms?

Oslo leads Norway with 122 headquartered companies, followed by Trondheim (11) and Bergen (9).

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 147 verified decision-maker contacts tracked across these 122 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 28, 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.