Company lists · Data refreshed September 2026

Top 24 Adtech consultancies based in Slovenia

RevenueBase identified 68 adtech consultancies headquartered in Slovenia as of September 2026 and tracks 354 professional contacts across them, including 128 with verified work emails and 16 with mobile numbers. Ljubljana is the largest hub.

This list covers adtech consultancies headquartered in Slovenia, 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 22, 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 22, 2026 86% judged on-target in blind review
68Companies
354Contacts tracked
128Verified emails
16Mobile numbers
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The 24 largest adtech consultancies based in Slovenia

Ranked by team size
Top 24 of 68 adtech consultancies based in Slovenia, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to adtech consultancies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 202651-20037 contacts →

Indirect evidence

“Digital done differently.”

Source: RevenueBase Database · checked Sep 22, 2026
2Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 202611-5027 contacts →

Indirect evidence

“Digital marketing and consulting agency specialising in development of cutting-edge customer experiences.”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 202611-5021 contacts →

Indirect evidence

“Flat Circle is a Performance Advertising specialized agency.”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 202611-5019 contacts →

Indirect evidence

“Sonce.net launched in as one of the first digital creative shops in Slovenia, preceding the rise of social media, Gmail, 24/7 touch-points and 360 engagements.”

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceRadovljica, SloveniaHQ checked Sep 22, 20261-1014 contacts →

Indirect evidence

“We are a marketing agency that helps you enter the digital world with a marketing review of your webpage.”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 20261-1014 contacts →

Indirect evidence

“Epic.”

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 202611-5013 contacts →

Indirect evidence

“Get advanced control and competitive advantage to manage and maximize your advertising revenues across all channels and formats.”

Source: RevenueBase Database · checked Sep 22, 2026
8Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 202611-5010 contacts →

Indirect evidence

“Bid Bid provides Digital marketing solutions, tailor-made for your needs & business goals.”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidenceŽalec, SloveniaHQ checked Sep 22, 20261-109 contacts →

Indirect evidence

“Dinetix Team features top experts, skilled and extremely creative, with tons of experiences and an unstoppable drive for digital marketing.”

Source: RevenueBase Database · checked Sep 22, 2026
10Indirect evidenceMurska Sobota, SloveniaHQ checked Sep 22, 202611-508 contacts →

Indirect evidence

“Castoola provides a complete solution for video monetization, supporting telcos, broadcasters, and OTT platforms in making the most of their ad space.”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 20261-105 contacts →

Indirect evidence

“YIN + YOUNG is a balance between expertise and youth.”

Source: RevenueBase Database · checked Sep 22, 2026
12Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 20261-105 contacts →

Indirect evidence

“AS Digital Services is a Ljubljana-based digital marketing business, which specializes in digital advertising.”

Source: RevenueBase Database · checked Sep 22, 2026
13Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 20261-104 contacts →

Indirect evidence

“Medialog is a media marketing agency that features a holistic approach towards media & creative planning, digital advertising and strategy implementation.”

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 202611-504 contacts →

Indirect evidence

“WE LIVE TO CREATE.* We love local - since we are a full-service advertising agency in Ljubljana.* We think regional - since we are part of the most awarded agency in the Balkans…”

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 20261-104 contacts →

Indirect evidence

“Nudimo celostne spletne rešitve Stojimo vam ob strani pri pomembnih odločitvah v sodobnem času – pri prvih korakih vašega posla v digitalni prostor.”

Source: RevenueBase Database · checked Sep 22, 2026
16Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 20261-104 contacts →

Indirect evidence

“We Scale Your Business ULTIMO IMPERIO is an international digital marketing agency Our ability to move digital marketing boundaries and challenge the status quo lies in a deep…”

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 20261-103 contacts →

Indirect evidence

“Website: GR8 Marketing Agency is a paid advertising agency headquartered in Ljubljana, Slovenia.”

Source: RevenueBase Database · checked Sep 22, 2026
18Indirect evidenceMurska Sobota, SloveniaHQ checked Sep 22, 20261-103 contacts →

Indirect evidence

“End-to-end Ad Creatives for B2B SaaS”

Source: RevenueBase Database · checked Sep 22, 2026
19Indirect evidenceŠkofljica, SloveniaHQ checked Sep 22, 20261-102 contacts →

Indirect evidence

“At MASS DATA, we empower marketing agencies with scalable, white-label digital solutions designed to help them grow, without increasing overhead.”

Source: RevenueBase Database · checked Sep 22, 2026
20Indirect evidenceMaribor, SloveniaHQ checked Sep 22, 20261-102 contacts →

Indirect evidence

“Adverta has a complete digital solution with innovative advertising formats and business model that will bring the money back to publishers.”

Source: RevenueBase Database · checked Sep 22, 2026
21Indirect evidenceKoper, SloveniaHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

“Mobiuu delivers advertising campaigns all sizes of enterprises by using digital media - mobile, web, social media and other advanced technologies that provide interaction between…”

Source: RevenueBase Database · checked Sep 22, 2026
22Indirect evidenceMetlika, SloveniaHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

“Most Ecommerce brands waste ad spend without even realizing it.”

Source: RevenueBase Database · checked Sep 22, 2026
23Indirect evidenceNovo Mesto, SloveniaHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

“Poesis je agencija digitalnega marketinga.”

Source: RevenueBase Database · checked Sep 22, 2026
24Indirect evidenceLjubljana, SloveniaHQ checked Sep 22, 20261-101 contacts →

Indirect evidence

“Newillis is an innovative company leveraging business models with the power of digital- We help Startups to create a growth strategy and find the right communication to reach the…”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 24 of 68 adtech consultancies based in Slovenia

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Adtech consultancies based in Slovenia at a glance

As of Sep 22, 2026
36.2%Verified-email coverage
4.5%Mobile-number coverage
5.2Average contacts per company
1-10Median size (employees)
47.1%Largest-city concentration · Ljubljana
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
15
51-200
1
201-500
1
1,001-5,000
1

Freshness & accuracy

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

Email last verified

Median 24.0d

Company record updated

Median 77.0d

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 adtech consultancies, 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 Slovenia whose own description of what they do matches “adtech consultancies”. 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 adtech consultancies), 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 adtech consultancies, and records with no verified work email. Companies headquartered outside Slovenia 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, 128 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 22, 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.

Adtech consultancies by metro

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 adtech consultancies, 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 adtech consultancies are there based in Slovenia?

RevenueBase identified 68 adtech consultancies headquartered in Slovenia 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?

IPROM, headquartered in Ljubljana, tops this list with the largest team on record.

Which city has the most adtech consultancies?

Ljubljana leads with 32 headquartered companies, followed by Ljubljana Ljubljana (6) and Maribor (3).

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 128 verified decision-maker contacts tracked across these 68 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 22, 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.