Company lists · Data refreshed September 2026

Top 14 Oil and gas accounting firms based in the Netherlands

RevenueBase identified 31 oil and gas accounting firms headquartered in the Netherlands as of September 2026 and tracks 382 professional contacts across them, including 188 with verified work emails and 20 with mobile numbers. The Hague is the largest hub.

This list covers oil and gas accounting firms headquartered in the Netherlands, 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
31Companies
382Contacts tracked
188Verified emails
20Mobile numbers
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The 14 largest oil and gas accounting firms based in the Netherlands

Ranked by team size
Top 14 of 31 oil and gas accounting firms based in the Netherlands, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names oil and gas accounting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
JoanknechtIndirect evidence
Eindhoven, NetherlandsHQ checked Sep 5, 202651-200160

“Joanknecht was founded in 1948 and has been through all phases of the economic cycle.”

Source: company website · checked Sep 5, 2026
2Schoonebeek, NetherlandsHQ checked Sep 5, 202651-20048

“WFR is a full range service provider to the oil & gas and energy industries.”

Source: company website · checked Sep 5, 2026
3
Saybolt Nederland B.VIndirect evidence
Vlaardingen, NetherlandsHQ checked Sep 5, 2026201-50044
Source: company website · checked Sep 5, 2026
4
Moos AccountantsIndirect evidence
Diemen, NetherlandsHQ checked Sep 5, 202611-5026

“Moos Accountants is de partner voor uw jaarrekening controle en aanverwante dienstverlening.”

Source: company website · checked Sep 5, 2026
5Sint-oedenrode, NetherlandsHQ checked Sep 5, 202611-5023

“Van de Ven Accountants | Adviseurs is sinds 1944 actief vanuit Sint-Oedenrode.”

Source: company website · checked Sep 5, 2026
6Amsterdam, NetherlandsHQ checked Sep 5, 202611-5018

“ZAAM Accountants & Adviseurs ZAAM is een RA/AA-accountantskantoor voor het Midden- en kleinbedrijf.”

Source: company website · checked Sep 5, 2026
7
VBO Accountancy B.VIndirect evidence
Kampen, NetherlandsHQ checked Sep 5, 20261-106

“Als ondernemer heb je geen invloed op het verleden, maar wél op de toekomst.”

Source: company website · checked Sep 5, 2026
8
D&a DE Jong Accountants B.VIndirect evidence
Etten-leur, NetherlandsHQ checked Sep 5, 202611-505

“D&A De Jong combineert hoogwaardige dienstverlening met de voordelen van een klein kantoor.”

Source: company website · checked Sep 5, 2026
9
Adviesbureau LBAIndirect evidence
Rotterdam, NetherlandsHQ checked Sep 5, 20261-105

“U kunt bij LBA terecht voor de meest uiteenlopende accountantswerkzaamheden.”

Source: company website · checked Sep 5, 2026
10
TrustaccountantsIndirect evidence
Rijswijk, NetherlandsHQ checked Sep 5, 20261-105

“U kunt bij ons terecht voor een breed scala aan dienstverlening.”

Source: company website · checked Sep 5, 2026
11
WGS Accountants BVIndirect evidence
Woerden, NetherlandsHQ checked Sep 5, 20261-102

“WGS Accountants is een accountantskantoor dat accountancy- en adviesdiensten levert en dit doet met gedrevenheid en een no-nonsense instelling.”

Source: company website · checked Sep 5, 2026
12Naaldwijk, NetherlandsHQ checked Sep 5, 202611-501
Source: company website · checked Sep 5, 2026
13
Carolus ServicesPartial evidence
Gouda, NetherlandsHQ checked Sep 5, 20261-101

“Carolus services is an accounting company based out of Gouda, Netherlands.”

Source: company website · checked Sep 5, 2026
14
CAB Accountancy BVIndirect evidence
Den Hoorn, NetherlandsHQ checked Sep 5, 20261-101

“CAB Accountancy BV biedt een brede dienstverlening aan op het gebied van accountancy, belastingen en advies.”

Source: company website · checked Sep 5, 2026

Showing 14 of 31 oil and gas accounting firms based in the Netherlands

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Oil and gas accounting firms based in the Netherlands at a glance

As of Sep 5, 2026
1-10Median size (employees)
The HagueLargest hub · 3 HQs
20Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
18
11-50
7
51-200
3
201-500
1
501-1,000
1
1,001-5,000
1

Verified emails by last verification

0–30
177
31–60
10
61–90
0
90–180
0
180+
1

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 oil and gas accounting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the Netherlands whose own description of what they do matches “oil and gas accounting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among oil and gas accounting firms, and records with no verified work email. Companies headquartered outside Netherlands 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 an evidence 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, 188 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 5, 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

How many oil and gas accounting firms are there based in the Netherlands?

RevenueBase identified 31 oil and gas accounting firms headquartered in the Netherlands 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?

Joanknecht, headquartered in Eindhoven, tops this list with the largest team on record.

Which city has the most oil and gas accounting firms?

The Hague leads with 3 headquartered companies, followed by Amsterdam (2) and Rotterdam (2).

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 188 verified decision-maker contacts tracked across these 31 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 5, 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.