Company lists · Data verified August 2026

Top 25 Enterprise telecom consulting companies based in Greece

Name: Enterprise telecom consulting companies based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 59 companies tracked

There are 59 enterprise telecom consulting companies headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 929 professional contacts across them, including 368 with verified work emails and 21 with mobile numbers. Athens is the largest hub.

This list covers enterprise telecom consulting companies headquartered in Greece, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

59Companies

929Contacts tracked

368Verified emails

21Mobile numbers

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The 25 largest enterprise telecom consulting companies based in Greece

Ranked by team size

Top 25 of 59 enterprise telecom consulting companies based in Greece, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Real Consulting	Chalandri	501-1,000	279	157
2	Cosmos Business Systems	n/a	51-200	205	112
3	Intellisolutions	Athens	51-200	85	41
4	PSP Telecom & Networking	n/a	51-200	33	1
5	Microbase Greece	n/a	11-50	24	2
6	Toolbox Consulting Services	Athens	51-200	21	7
7	Fasmetrics SA	Athens	11-50	17	4
8	Voiceland	n/a	11-50	12	5
9	Advanced Integrated Communication	n/a	11-50	12	2
10	Lexis SA	n/a	11-50	10	4
11	LTCOM	n/a	11-50	10	2
12	Info-Trade	Athens	11-50	10	1
13	IMTEL	n/a	11-50	9	4
14	Dynacom LTD	Kallithea	1-10	8	1
15	Wavetel S.A	Piraeus	11-50	7	4
16	City Consulting Greece	Athens	1-10	7	1
17	BTS Business Telecom Solutions	n/a	11-50	6	3
18	Razor Technology Consultants	Chalandri	11-50	6	3
19	DTNS	n/a	11-50	5	3
20	Integrated Enterprise Networks S.A I.E.N	Athens	11-50	4	3
21	Lumina Link	n/a	1-10	4	1
22	Netacmion	n/a	1-10	3	1
23	Operation Experts	Athens	11-50	2	2
24	Kalentel Kaltsonis Energy Telecom	Athens	1-10	2	1
25	Nextgen Networks GP	n/a	1-10	2	1

Showing 25 of 59 enterprise telecom consulting companies based in Greece

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Enterprise telecom consulting companies based in Greece at a glance

As of Aug 28, 2026

11-50Median size (employees)

AthensLargest hub · 17 HQs

21Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Enterprise telecom consulting companies by metro

Metro	Companies
Enterprise telecom consulting companies in Athens	17
Enterprise telecom consulting companies in Chalandri	5
Enterprise telecom consulting companies in Piraeus	1
Enterprise telecom consulting companies in Gerakas	1
Enterprise telecom consulting companies in Pireas	1
Enterprise telecom consulting companies in Kallithea	1
Enterprise telecom consulting companies in Ilion	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “enterprise telecom consulting companies”, with match quality audited by blind human judging, and headquartered in Greece.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many enterprise telecom consulting companies are there based in Greece?

There are 59 enterprise telecom consulting companies headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Real Consulting, headquartered in Chalandri, tops this list with the largest team on record.

Which city has the most enterprise telecom consulting companies?

Athens leads with 17 headquartered companies, followed by Chalandri (5) and Piraeus (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 368 verified decision-maker contacts tracked across these 59 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.