Company lists · Data refreshed September 2026
Top 25 B2B communications agencies based in Greece
RevenueBase identified 110 B2B communications agencies headquartered in Greece as of September 2026 and tracks 1,089 professional contacts across them, including 312 with verified work emails. Athens is the largest hub.
This list covers B2B communications agencies headquartered in Greece, 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 21, 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 25 largest B2B communications agencies based in Greece
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 180 contacts → | ||||
Indirect evidence “MSPS is an award-winning Integrated Marketing and Sales Services Agency that consists of talented, fun and creative individuals.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 98 contacts → | ||||
Partial evidence “Mozaik is a leading marketing and communications agency, with extensive experience in providing strategies that are creative, innovative, sophisticated and results oriented.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 59 contacts → | ||||
Partial evidence “Solid Havas is an independent 360o communication agency offering its clients fully integrated effective solutions through Advertising, PR, Digital, BTL and CSR services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 55 contacts → | ||||
Partial evidence “Admine is a leading communications agency with strong digital DNA, manned by a group of mad-men & mad-women all bridging consumers and brands using cutting edge communication…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 38 contacts → | ||||
Partial evidence “Radical Communications SA is an award-winning 360 marketing and communications agency, headquartered in Athens.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 30 contacts → | ||||
Partial evidence “Being a mere 19 years on the Communication /Advertising Universe, we find it normal to feel like teenagers (some don’t seem to consider it a virtue, but our clients do).” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 25 contacts → | ||||
Partial evidence “Established in Athens in 2005, One Team has been active in the Marketing communications in S.E.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 24 contacts → | ||||
Indirect evidence “We are Giraffes in the Kitchen, an award-winning agency that blurs the lines between disciplines and delivers measurable experiences by understanding needs, evaluating the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 22 contacts → | ||||
Partial evidence “We are proud members of the communication family of V+O Greece.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 21 contacts → | ||||
Indirect evidence “We are a strong team of leading experts, highly regarded in the industry of Corporate & Brand PR.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 19 contacts → | ||||
Partial evidence “Pitch is a customer-oriented PR & Strategic Communications agency, created by a highly knowledgeable and creative team of experts, designed to provide holistic solutions for…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 18 contacts → | ||||
Partial evidence “Enzyme is a specialist in marketing and communication services, developing strategies for acquiring new customers and building, extending, and cultivating customer relationships.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 18 contacts → | ||||
Indirect evidence “Ξεκινήσαμε το 1987, στην καρδιά της αγοράς στο λιμάνι του Πειραιά όπου εδρεύουμε και σήμερα.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 16 contacts → | ||||
Partial evidence “efrata, an affiliated company with Finn Partners, operates in the field of Communication & Public Relations efrata’s approach is client-centric, combining the importance in detail…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 contacts → | ||||
Partial evidence “TENFOUR is a full communication services agency for the digital age, founded in October 2011.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 contacts → | ||||
Indirect evidence “360 Advertising Agency Πάθος για επικοινωνία, σημαίνει να έχεις συνεχώς τη διαφήμιση στο κεφάλι σου.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 11 contacts → | ||||
Indirect evidence “We liberate creativity wherever it hides.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Partial evidence “Ginger Communications is an energetic, very flexible, boutique PR agency with global aspirations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “Από το 1971 ως Producta Advertising και από το 1992 έως σήμερα σαν Producta direct, συνεχίζουμε να δημιουργούμε νέους δρόμους στην επικοινωνία.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Indirect evidence “Στην kitchen.was έχουμε ακόρεστη όρεξη για δημιουργία και ειδικευόμαστε στη… fusion προσέγγιση της επικοινωνίας!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Partial evidence “THE COMPANY New communication is offering branding and advertising services to public and Private corporations in greece and foreign countries using new communication methods.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Indirect evidence “DIALOGUE is a leading boutique one-stop MarComms agency located in the heart of Kifissia Athens, specializing predominantly in the fields of fashion, beauty and lifestyle PR.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Partial evidence “Smart Ideas is a Communications, Public Relations and Advertising company that covers a full range of communications needs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Indirect evidence “Είμαστε διαφορετικοί, είμαστε δίπλα σας, είμαστε λίγοι, αλλά και πολλοί ταυτόχρονα, σκεφτόμαστε δημιουργικά, σκεφτόμαστε για εσάς, ακούμε τις ανάγκες σας, είμαστε η Valis…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “In science, Newton is a unit of force.” Source: RevenueBase Database · checked Sep 21, 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: B2B communications agencies. 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 B2B communications agencies.
- Partial evidence
- Its own public description names part of B2B communications agencies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name B2B communications agencies. 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 110 B2B communications agencies based in Greece
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B2B communications agencies based in Greece at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Greece, so it is reported there. Company counts and contact totals on this page are exact for Greece, over 110 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 B2B communications agencies, 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 Greece whose own description of what they do matches “B2B communications agencies”. 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 B2B communications agencies), 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 B2B communications agencies, and records with no verified work email. Companies headquartered outside Greece 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, 312 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 21, 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.
B2B communications agencies by metro
- B2B communications agencies in Athens45
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 B2B communications agencies, 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 B2B communications agencies are there based in Greece?
RevenueBase identified 110 B2B communications agencies headquartered in Greece 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?
MSPS, headquartered in Athens, tops this list with the largest team on record.
Which city has the most B2B communications agencies?
Athens leads with 45 headquartered companies, followed by Greece (3) and Attica (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 312 verified decision-maker contacts tracked across these 110 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 21, 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.
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