Company lists · Data refreshed October 2026

Top 25 Conversion rate optimization audit services based in the Netherlands

RevenueBase identified 100 company matches for conversion rate optimization audit services associated with the Netherlands as of October 2026 and tracks 440 professional contacts across them, including 160 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for conversion rate optimization audit services associated with the Netherlands, 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 19, 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 19, 2026 How this list was built
100Companies
440Contacts tracked
160Verified emails
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The 25 largest conversion rate optimization audit services based in the Netherlands

Ranked by team size
Top 25 of 100 company matches for conversion rate optimization audit services based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBreda, NetherlandsHQ recorded Oct 19, 202651-200100 contacts →

Exact match

“Grizzly New Marketing is een gespecialiseerd SEO marketingbureau in Nederland (Breda en Rotterdam), België (Antwerpen-Berchem) en de Verenigde Staten (New York).”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchAmsterdam, NetherlandsHQ recorded Oct 19, 202651-20035 contacts →

Exact match

“Netprofiler is een snelgroeiend bedrijf in de online marketing en heeft momenteel 60 specialisten in dienst die werken vanuit het kantoor in Amsterdam.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchGroningen, NetherlandsHQ recorded Oct 19, 202611-5033 contacts →

Exact match

“By truly prioritizing your target audience and their needs, you unlock the potential for greater digital success.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchZwolle, NetherlandsHQ recorded Oct 19, 202611-5031 contacts →

Exact match

“Tweakwise is the specialist and market leader in the Benelux in the field of conversion optimization in e-commerce.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchUtrecht, NetherlandsHQ recorded Oct 19, 202611-5018 contacts →

Exact match

“Online Dialogue is known as a frontrunner in the field of optimization and experimentation since 2009.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchAmsterdam, NetherlandsHQ recorded Oct 19, 202651-20015 contacts →

Exact match

“ClickValue is an Amsterdam based Conversion Optimization Agency fully focused on sustainable online growth.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchUden, NetherlandsHQ recorded Oct 19, 202611-5011 contacts →

Exact match

“EcomTraffic helpt E-Commerce merken slagen & opschalen op het gebied van conversie & UX ontwerp.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchMierlo, NetherlandsHQ recorded Oct 19, 20261-1010 contacts →

Exact match

“In de afgelopen jaren hebben wij ons meermaals bewezen in de praktijk, dit heeft geresulteerd in een mooi trackrecord.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchEnschede, NetherlandsHQ recorded Oct 19, 20261-1010 contacts →

Exact match

“Website and marketing optimization.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchAmsterdam, NetherlandsHQ recorded Oct 19, 202611-508 contacts →

Exact match

“Conversion Company is an Amsterdam based Digital accelerator for leading companies.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchApeldoorn, NetherlandsHQ recorded Oct 19, 20261-105 contacts →

Exact match

“We Have A Plan maakt online oplossingen die werken.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchAmsterdam, NetherlandsHQ recorded Oct 19, 20261-105 contacts →

Exact match

“GOnnected - http://bit.ly/GOnnected Mission: We help businesses make better use of data and achieve their revenue goals while maximizing ROI.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchZwolle, NetherlandsHQ recorded Oct 19, 20261-104 contacts →

Exact match

“Wij zijn Funnel Optimizers, online marketingbureau gespecialiseerd in performance marketing, website optimalisatie en audits & advies op basis van analyse.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchNijmegen, NetherlandsHQ recorded Oct 19, 20261-104 contacts →

Exact match

“The best way to predict the future is to create it."- Peter Drucker.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchSas Van Gent, NetherlandsHQ recorded Oct 19, 20261-104 contacts →

Exact match

“Jouw website wordt een goudmijn!”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchGemert, NetherlandsHQ recorded Oct 19, 20261-104 contacts →

Exact match

“Groot nieuws!”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchEindhoven, NetherlandsHQ recorded Oct 19, 20261-104 contacts →

Exact match

“Advatise richt zich op online adverteren en conversieoptimalisatie voor bedrijven.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchEnschede, NetherlandsHQ recorded Oct 19, 20261-103 contacts →

Exact match

“10+ years of battle-tested expertise with 4 CRO Award nominations (2 wins).”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchLeiden, NetherlandsHQ recorded Oct 19, 20261-103 contacts →

Exact match

“Het buro om je verder te helpen met je website.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20Exact matchGroningen, NetherlandsHQ recorded Oct 19, 20261-103 contacts →

Exact match

“Onze bewezen methode, helpt jou online groeien.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21Exact matchAmsterdam, NetherlandsHQ recorded Oct 19, 20261-103 contacts →

Exact match

“Saas Design, CRO and branding experts - we grow your ARR by optimizing your website, onboarding flow, and not only.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22Exact matchRotterdam, NetherlandsHQ recorded Oct 19, 20261-102 contacts →

Exact match

“Impactful Online Marketing is a Dutch digital marketing agency founded in 2013.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23Exact matchEindhoven, NetherlandsHQ recorded Oct 19, 20261-102 contacts →

Exact match

“We zijn een open boek, verkopen geen sprookjes.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24Exact matchWaalwijk, NetherlandsHQ recorded Oct 19, 20261-102 contacts →

Exact match

“Bij EGENCE richten we ons op het perfectioneren van de klantreis.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25Exact matchAmersfoort, NetherlandsHQ recorded Oct 19, 20261-102 contacts →

Exact match

“Faster websites equals better business results: improve user experience, increase conversion rate and page experience ranking, lower the bounce rate.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 25 of 100 conversion rate optimization audit services based in the Netherlands

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Conversion rate optimization audit services based in the Netherlands at a glance

As of Oct 19, 2026
36.4%Verified-email coverage
4.4Average contacts per company
1-10Median size (employees)
8.0%Largest-city concentration · Amsterdam
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
90
11-50
7
51-200
3

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 100 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 the Netherlands whose business descriptions match “conversion rate optimization audit services” 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 160 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 19, 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 “conversion rate optimization audit services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many conversion rate optimization audit services are there based in the Netherlands?

RevenueBase identified 100 company matches for conversion rate optimization audit services associated with the Netherlands 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?

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

Which city has the most conversion rate optimization audit services?

Amsterdam leads with 8 company records, followed by Rotterdam (7) and Eindhoven (5).

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 160 professional contacts with verified work emails tracked across these 100 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 100 conversion rate optimization audit services based in the Netherlands. Start with a free account, no credit card.

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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.