Company lists · Data refreshed November 2026

Top 24 Water system infrastructure consultants based in Greece

Name: Water system infrastructure consultants based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 66 companies tracked

RevenueBase identified 66 company matches for water system infrastructure consultants associated with Greece as of November 2026 and tracks 1,304 professional contacts across them, including 342 with verified work emails. Athens is the largest hub.

This list covers company matches for water system infrastructure consultants associated with Greece, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

66Companies

1,304Contacts tracked

342Verified emails

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The 24 largest water system infrastructure consultants based in Greece

Ranked by team size

Top 24 of 66 company matches for water system infrastructure consultants based in Greece, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Salfo & Associates SA	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	201-500	391 contacts →
	Exact match “About SALFO & Associates SALFO & Associates SA is a premier Greek Engineering & Management Consulting firm, delivering excellence through innovation, integrity, and human-centric…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	ENOIA	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	201-500	211 contacts →
	Exact match “ENOIA is a Multi-Disciplinary Engineering & Project Management Consultant in the Energy, Water and Industrial sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Mesogeos S.A	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	201-500	114 contacts →
	Exact match “Engineering, Constructing, Consulting and Operating company of Environmantal projects and Plants, related to Water, Waste Water, Solid Waste and Energy from Renewable sources.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Gaia SA	Exact match	Thessaloniki, GreeceHQ recorded Nov 6, 2026	51-200	48 contacts →
	Exact match “GAIA S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Samaras & Partners Group Of Companies	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	201-500	34 contacts →
	Exact match “Ο Όμιλος «Σαμαράς & Συνεργάτες» κατέχει ηγετική θέση στην ελληνική αγορά ως ένας από τους πλέον ολοκληρωμένους μελετητικούς και συμβουλευτικούς οργανισμούς, παρέχοντας…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Exergia S.A., Climate Change Consultants	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	11-50	31 contacts →
	Exact match “EXERGIA is an independent firm of consultants operating internationally and providing specialized advice, expertise and technical consultancy on the sectors of Energy, Environment…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	ETME	Exact match	Neo Psichiko, GreeceHQ recorded Nov 6, 2026	11-50	29 contacts →
	Exact match “With a history of more than 45 years in engineering design and project management, ETME S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Constrat LTD	Exact match	GreeceHQ recorded Nov 6, 2026	51-200	26 contacts →
	Exact match “OUR COMPANY.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Vm&a S.A	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	11-50	15 contacts →
	Exact match “VM & A was established in 2002 and is an engineering management and development consultancy firm specialized in large environmental infrastructure projects, especially in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Tekem SA Consulting Engineers	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	11-50	11 contacts →
	Exact match “TEKEM SA Consulting Engineers was founded in 1966 by Elias and Nikolas Cavoulacos and is one of the largest and long established Consulting Engineering bureaus in Athens, Greece.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Emvis S.A	Exact match	Agía Paraskeví, GreeceHQ recorded Nov 6, 2026	11-50	11 contacts →
	Exact match “EMVIS Consultant Engineers S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Hydroexigiantiki Consulting Engineers	Exact match	Maroussi, GreeceHQ recorded Nov 6, 2026	11-50	11 contacts →
	Exact match “Engineering Consulting firm offering specialized services in several Civil and Environmental Engineering fields.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Redeplan Consultants	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “Project & Programme Management, Engineeniring, Technical Assesor Services, Real Estate Advisory and Consulting, EPC Management (Engineering, Procurement, Construction), Circular…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Ecotech LTD	Exact match	Néa Smýrni, GreeceHQ recorded Nov 6, 2026	11-50	9 contacts →
	Exact match “ECOTECH ACTIVITIES COVER MANY FIELDS OF WASTEWATER AND WATER TREATMENT, SUCH AS: • WWTP Design as well as special systems and applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Mavrakis Consulting Engineers	Exact match	Salonica, GreeceHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “MAVRAKIS CONSULTING ENGINEERS is a leading Greek Engineering Consultancy founded back in 1978.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Omek S.A	Exact match	Chalandri, GreeceHQ recorded Nov 6, 2026	51-200	8 contacts →
	Exact match “OMEK is the Major Consulting Company in Greece in the area of Planning, Development and Management of Engineering Infrastructure Engineering Projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Ydrofili T.S.A	Exact match	Thessaloniki, GreeceHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “FOUNDATION YDROFILI firm was founded in 1983 in Thessaloniki by Christos Pertsemlidis, Civil and Environmental Engineer, and Nikos Pertsemlidis, Mechanical Engineer.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Sofios Consulting Engineers S.A	Exact match	Marousi, GreeceHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match “Sofios Consulting Engineers S.A was founded by Tasos Sofios in September 2004, aiming at the preparation of studies and the provision of consultant services in the construction of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Ydrodomi SA	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	11-50	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Eten Water Science & Technology	Exact match	Gerakas, GreeceHQ recorded Nov 6, 2026	11-50	4 contacts →
	Exact match “Our expertise covers the study, design and consulting of projects for water treatment systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	KK Consulting & Engineering	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “At KKCE we are dedicated to building the future through innovative civil engineering solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Hydro Balance	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Our company undertakes water engineering projects related to public and private sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Orio Consulting	Exact match	Athens, GreeceHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Orio is an engineering consulting company in Greece which was founded in 2006.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Hydractis Consulting S.A	Exact match	Nea Ionia, GreeceHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Hydractis Consulting S.A.” is a consulting engineering firm that was founded towards the end of The basic sector of its activities is the design of works in Public and Private…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “water system infrastructure consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 24 of 66 water system infrastructure consultants based in Greece

See the full list, filter by size, metro and specialty, and access 342 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water system infrastructure consultants based in Greece at a glance

As of Nov 6, 2026

26.2%Verified-email coverage

19.8Average contacts per company

11-50Median size (employees)

30.3%Largest-city concentration · Athens

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 66 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Greece whose business descriptions match “water system infrastructure consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 342 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “water system infrastructure consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water system infrastructure consultants are there based in Greece?

RevenueBase identified 66 company matches for water system infrastructure consultants associated with Greece as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Salfo & Associates SA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most water system infrastructure consultants?

Athens leads with 20 company records, followed by Thessaloniki (3) and Nea Ionia (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 342 professional contacts with verified work emails tracked across these 66 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.