Company lists · Data refreshed September 2026
Top 18 Supply side platform companies based in the Netherlands
RevenueBase identified 37 supply side platform companies headquartered in the Netherlands as of September 2026 and tracks 1,228 professional contacts across them, including 592 with verified work emails and 55 with mobile numbers. Amsterdam is the largest hub.
This list covers supply side platform companies 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 6, 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.
The 18 largest supply side platform companies based in the Netherlands
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Indirect evidence | 103 contacts → | |||
“TradeTracker.com brings together the online community’s best and brightest: working together towards the common goal of enhancing their performance marketing.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | Indirect evidence | 72 contacts → | |||
“Refinery89 is a Google Certified Publishing Partner and member of IAB Europe's Transparency and Consent Framework driven to revolutionize AdTech.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | Indirect evidence | 40 contacts → | |||
“Empowering Publisher Ecosystem for Sustainable Growth We are a global powerhouse created by publishers, for publishers.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Indirect evidence | 32 contacts → | |||
“MADS is a leading, independent (mobile) ad technology company and operates in more than 30 countries world-wide.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | Partial evidence | 18 contacts → | |||
“JustPremium is the leading platform for programmatic rich media.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | Partial evidence | 12 contacts → | |||
“Our proprietary advertising platform provides first-class solutions that automate the purchase & sale of digital advertising for all industry players.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | Indirect evidence | 11 contacts → | |||
“Our focus is on implementing and developing advanced technology that promotes fairness and equality between publishers and advertisers in the digital advertising industry.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | Indirect evidence | 11 contacts → | |||
“Massarius makes advanced website monetisation methods like automated trading of online advertisements accessible to all.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Strong evidence | 10 contacts → | |||
“WaardeX SSP - Unleashing Your Website's Full Monetization Potential WaardeX SSP is a cutting-edge Supply-Side Platform designed to empower publishers with advanced tools and…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | Indirect evidence | 9 contacts → | |||
“NextDay is a full service ad network and a 100% daughter company of PXR, the largest independent media house of the Netherlands based in Amsterdam.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | Indirect evidence | 9 contacts → | |||
“The Edge Initiative is a technology provider.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | Indirect evidence | 7 contacts → | |||
“Targetoo – an industry leader in Programmatic Advertising – was founded in 2012.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | Partial evidence | 6 contacts → | |||
“Adverteerders, uitgevers, media- en reclamebureaus maken gebruik van het nieuwe Audience Driven Advertising Platform van Weborama.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | Strong evidence | 4 contacts → | |||
“Now part of Verve Group consumer-first advertising suite, Platform161 is a global, independent demand-side platform (DSP) enabling programmatic buying through open exchanges and…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | Indirect evidence | 4 contacts → | |||
“Idle delivers plug and play programmatic growth.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | Indirect evidence | 3 contacts → | |||
“Your partner in Advertising Operations Dé all-in service voor adverteerders, mediabureaus, uitgevers & netwerken voor effectief campagnemanagement.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | Indirect evidence | 1 contacts → | |||
“Door onze expertise op het gebied van programmatic trading trading binnen de online advertising branche, zijn wij in staat om zeer effectieve (maat)oplossingen te verzorgen…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | Partial evidence | 1 contacts → | |||
“AdinPlay is a technology company supporting online game developers and publishers in the ad monetisation.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
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: supply side platform companies. 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 supply side platform companies.
- Partial evidence
- Its own public description names part of supply side platform companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name supply side platform companies. 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 18 of 37 supply side platform companies based in the Netherlands
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Supply side platform companies based in the Netherlands at a glance
As of Sep 6, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 supply side platform 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 the Netherlands whose own description of what they do matches “supply side platform 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 supply side platform 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 supply side platform companies, 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 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, 592 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 6, 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 supply side platform 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 supply side platform companies are there based in the Netherlands?
RevenueBase identified 37 supply side platform companies 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?
tradetracker.com, headquartered in Ga, tops this list with the largest team on record.
Which city has the most supply side platform companies?
Amsterdam leads with 14 headquartered companies, followed by Rotterdam (2) and Schiphol-Rijk (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 592 verified decision-maker contacts tracked across these 37 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 37 supply side platform companies 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 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.
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