Company lists · Data refreshed September 2026

Top 25 Telecom transformation consultants based in Greece

Name: Telecom transformation consultants based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 78 companies tracked

RevenueBase identified 78 telecom transformation consultants headquartered in Greece as of September 2026 and tracks 2,069 professional contacts across them, including 947 with verified work emails. Athens is the largest hub.

This list covers telecom transformation consultants 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 19, 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 19, 2026 86% judged on-target in blind review

78Companies

2,069Contacts tracked

947Verified emails

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The 25 largest telecom transformation consultants based in Greece

Ranked by team size

Top 25 of 78 telecom transformation consultants based in Greece, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecom transformation consultants: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Accenture Greece	Indirect evidence	Kifisia, GreeceHQ checked Sep 19, 2026	1,001-5,000	1,171 contacts →
	Indirect evidence “Η Accenture είναι ηγέτιδα εταιρεία παροχής συμβουλευτικών υπηρεσιών σε παγκόσμιο επίπεδο, δημιουργώντας απτή αξία με ταχύτητα και σε μεγάλη κλίμακα.” Source: RevenueBase Database · checked Sep 19, 2026
2	Cognity	Partial evidence	Athens, GreeceHQ checked Sep 19, 2026	201-500	397 contacts →
	Partial evidence “Cognity is the Digital Enabler of the leading Telecommunications, Financial Services and Retail organisations in Europe, Middle East and South Africa.” Source: RevenueBase Database · checked Sep 19, 2026
3	Data Noesis	Partial evidence	Άγιοι Ανάργυροι, GreeceHQ checked Sep 19, 2026	11-50	35 contacts →
	Partial evidence “Data Noesis follows a market-oriented approach in order to drive each customer in a digital transformation journey, with innovative solutions and professional services.” Source: RevenueBase Database · checked Sep 19, 2026
4	Circet Hellas	Partial evidence	Gerakas, GreeceHQ checked Sep 19, 2026	51-200	33 contacts →
	Partial evidence “We are Circet, the number 1 Network Service Provider in Europe and a major player of the fast-growing global telecommunications industry.” Source: RevenueBase Database · checked Sep 19, 2026
5	Enomix	Indirect evidence	Chania, GreeceHQ checked Sep 19, 2026	11-50	23 contacts →
	Indirect evidence “We at ENOMIX are a group of passionate people delighted to work and contribute in the area of Next Generation Networks, Competition and Infrastructure Development.” Source: RevenueBase Database · checked Sep 19, 2026
6	Evolutionprojects	Indirect evidence	Ilioúpolis, GreeceHQ checked Sep 19, 2026	11-50	21 contacts →
	Indirect evidence “Technology - Consulting - Communication” Source: RevenueBase Database · checked Sep 19, 2026
7	Fasmetrics SA	Indirect evidence	Athens, GreeceHQ checked Sep 19, 2026	11-50	17 contacts →
	Indirect evidence “Established in 2005, FASMETRICS has grown into a trusted partner for mobile network operators and technology vendors worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
8	Wedigital SA	Indirect evidence	Dafni - Ymittos, GreeceHQ checked Sep 19, 2026	11-50	16 contacts →
	Indirect evidence “Wedigital is a powerhouse of experts with many years of collective experience in communication, media and technology.” Source: RevenueBase Database · checked Sep 19, 2026
9	Alphacons Intelligent Technology Solutions S.A	Indirect evidence	Iraklio, GreeceHQ checked Sep 19, 2026	11-50	14 contacts →
	Indirect evidence “AlphaCons is a consulting firm focusing on Technology.” Source: RevenueBase Database · checked Sep 19, 2026
10	Protogramma Informatics	Indirect evidence	Thessaloniki, GreeceHQ checked Sep 19, 2026	11-50	13 contacts →
	Indirect evidence “With over 30 years of honing business computerization and processes, Protogramma Informatics stands as a seasoned team, guiding enterprises towards optimal solutions in the…” Source: RevenueBase Database · checked Sep 19, 2026
11	Voiceland	Indirect evidence	Néa Ionía, GreeceHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “Η VOICELAND δραστηριοποιείται στο χώρο των τηλεπικοινωνιών.” Source: RevenueBase Database · checked Sep 19, 2026
12	Advanced Integrated Communication	Indirect evidence	Paiania, GreeceHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “Η Advanced Integrated Communication E.Π.Ε, διαρκώς εξελισσόμενη εταιρεία στον χώρο της υψηλής τεχνολογίας, αποτελείται από στελέχη τα όποια από το θέτουν ως προτεραιότητα την…” Source: RevenueBase Database · checked Sep 19, 2026
13	Artios	Indirect evidence	Athens, GreeceHQ checked Sep 19, 2026	11-50	11 contacts →
	Indirect evidence “ARTIOS is the right partner to help businesses and organizations modernize by upgrading their infrastructure, switching to the Cloud and consulting services for the right…” Source: RevenueBase Database · checked Sep 19, 2026
14	Dynacom LTD	Partial evidence	Kallithea, GreeceHQ checked Sep 19, 2026	1-10	9 contacts →
	Partial evidence “Dynacom Ltd: Your Trusted Partner in Integrated Telecommunication and Networking Solutions At Dynacom Ltd, we specialize in the counseling, design, and implementation of…” Source: RevenueBase Database · checked Sep 19, 2026
15	Wavetel S.A	Partial evidence	Piraeus, GreeceHQ checked Sep 19, 2026	11-50	7 contacts →
	Partial evidence “Wavetel S.A is a Greek company specialized in the sector of Telecommunications.” Source: RevenueBase Database · checked Sep 19, 2026
16	City Consulting Greece	Indirect evidence	Peristeri, GreeceHQ checked Sep 19, 2026	1-10	7 contacts →
	Indirect evidence “City Consulting Ltd.” Source: RevenueBase Database · checked Sep 19, 2026
17	BTS Business Telecom Solutions	Partial evidence	Athens, GreeceHQ checked Sep 19, 2026	11-50	6 contacts →
	Partial evidence “BTS is active in the provision of integrated telecommunications and technology solutions, providing a range of services that offer high added value to our customers.” Source: RevenueBase Database · checked Sep 19, 2026
18	Easy Systems S.A	Partial evidence	Gerakas, GreeceHQ checked Sep 19, 2026	1-10	5 contacts →
	Partial evidence “EASY SYSTEMS was established at the end of 2008, from an expertise team coming from the banking sector, specializing in Information Systems and Telecoms, with experience in the…” Source: RevenueBase Database · checked Sep 19, 2026
19	Evolute	Partial evidence	Athens, GreeceHQ checked Sep 19, 2026	1-10	5 contacts →
	Partial evidence “At evolute we work hand in hand with our partners to design, support and accelerate their digital transformation journey.” Source: RevenueBase Database · checked Sep 19, 2026
20	Vellum S.A	Indirect evidence	Athens, GreeceHQ checked Sep 19, 2026	1-10	5 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
21	Lumina Link	Partial evidence	Néa Smýrni, GreeceHQ checked Sep 19, 2026	1-10	4 contacts →
	Partial evidence “Lumina Link Fiber Solutions is an innovative telecom infrastructure company providing design, project management, network deployment, maintenance, and operation services for fixed…” Source: RevenueBase Database · checked Sep 19, 2026
22	Infolib ΙΚΕ	Indirect evidence	Ελληνικό, GreeceHQ checked Sep 19, 2026	1-10	3 contacts →
	Indirect evidence “Η InfoLib αποτελεί έναν στρατηγικό συνεργάτη πληροφορικής για σύγχρονες επιχειρήσεις, συνδυάζοντας την πολυετή εμπειρία με την τεχνολογική καινοτομία.” Source: RevenueBase Database · checked Sep 19, 2026
23	Perfinity	Partial evidence	Marousi, GreeceHQ checked Sep 19, 2026	1-10	2 contacts →
	Partial evidence “We are a Tech and Consultancy startup, established by experienced executives of the business IT sector.” Source: RevenueBase Database · checked Sep 19, 2026
24	Nextgen Networks GP	Indirect evidence	Athens, GreeceHQ checked Sep 19, 2026	1-10	2 contacts →
	Indirect evidence “Design, Consulting and Implementation for Next Generation Networks such as Fiber, Copper, MW, Satellite.” Source: RevenueBase Database · checked Sep 19, 2026
25	Daring Star	Partial evidence	Athens, GreeceHQ checked Sep 19, 2026	11-50	1 contacts →
	Partial evidence “Founded in 2010, Daring Star Ltd provides integration services for Telecommunication businesses.” Source: RevenueBase Database · checked Sep 19, 2026

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: telecom transformation consultants. 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 telecom transformation consultants.
Partial evidence: Its own public description names part of telecom transformation consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom transformation consultants. 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 78 telecom transformation consultants based in Greece

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Telecom transformation consultants based in Greece at a glance

As of Sep 19, 2026

45.8%Verified-email coverage

26.5Average contacts per company

1-10Median size (employees)

38.5%Largest-city concentration · Athens

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

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 78 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 telecom transformation consultants, 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 “telecom transformation consultants”. 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 telecom transformation consultants), 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 telecom transformation consultants, 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, 947 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 19, 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.

Telecom transformation consultants by metro

Telecom transformation consultants in Athens30

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 telecom transformation consultants, 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 telecom transformation consultants are there based in Greece?

RevenueBase identified 78 telecom transformation consultants 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?

Accenture Greece, headquartered in Athens, tops this list with the largest team on record.

Which city has the most telecom transformation consultants?

Athens leads with 30 headquartered companies, followed by Marousi (2) and Alexandreia Imathia (1).

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 947 verified decision-maker contacts tracked across these 78 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 19, 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.