Company lists · Data refreshed September 2026
Top 25 Implementation service providers based in Greece
RevenueBase identified 72 implementation service providers headquartered in Greece as of September 2026 and tracks 2,233 professional contacts across them, including 677 with verified work emails. Athens is the largest hub.
This list covers implementation service providers 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 20, 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 implementation service providers based in Greece
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 351 contacts → | ||||
Indirect evidence “SingularLogic, a Space Hellas Group member, is a leading Software Integrator that provides Enterprise Software Solutions and Services for large enterprises and organizations in…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 324 contacts → | ||||
Indirect evidence “Entersoft is a leading business software and services provider in South East Europe and the Middle East.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 285 contacts → | ||||
Strong evidence “Real Consulting, is one of the leading consulting and implementation of integrated IT projects companies in Greece.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 216 contacts → | ||||
Indirect evidence “Ιδρυθήκαμε το 1988 και εστιάζουμε κυρίως στην προσεγμένη, άμεση και ποιοτική εξυπηρέτηση των πελατών μας.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 215 contacts → | ||||
Indirect evidence “Teka Systems - Business Solutions, founded in 1975 and for more than 50 years is a leading business technology company in Greece and Southeastern Europe with extensive experience…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 155 contacts → | ||||
Indirect evidence “UBITECH is a leading, innovative software house, systems integrator and technology provider, established to provide leading edge intelligent technical solutions and consulting…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 108 contacts → | ||||
Indirect evidence “For over 30 years, we supply and manage the appropriate technology and resources to support the entrepreneurial spirit and profitable growth of medium and large sized companies…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 81 contacts → | ||||
Indirect evidence “ITMC S.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 62 contacts → | ||||
Indirect evidence “Η πορείας μας στην επιτυχία: Η Connectline ιδρύθηκε το 1998 και δραστηριοποιείται με επιτυχία στο χώρο της πληροφορικής.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 51 contacts → | ||||
Indirect evidence “Ergologic SA was founded in in Patras.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 35 contacts → | ||||
Indirect 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 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 23 contacts → | ||||
Indirect evidence “At LOGISTIC_i, we empower businesses to thrive in a digital-first world through intelligent ERP and WMS solutions, expert financial services, and strategic supply chain consulting.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 20 contacts → | ||||
Indirect evidence “Existanze #connectingdots is a highly competitive multidisciplinary software company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 19 contacts → | ||||
Strong evidence “Binary Tree was founded by professionals with notable presence in the Greek Information Technology scene, with the purpose of providing solutions to IT implementation and IT…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 18 contacts → | ||||
Strong evidence “Our services and solutions will transform your business through the management and implementation of new apps, platforms, architecture and tech.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Indirect evidence “The company was founded in 2006 – originally under the trade name ‘Other Dimension’ – and, after a 15-years trajectory, it evolved into ‘INGENIO Information Systems’.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Indirect evidence “DECISIO is an SAP consultancy company based in Athens, Greece.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Indirect evidence “Broker Systems is a software development company that provides financial integrated software, systems integration services and customized software solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Indirect evidence “Η RELOADTech είναι ένας ανερχόμενος οργανισμός στον ευρύτερο χώρο των υλοποιήσεων συστημάτων διαχείρισης και των υπηρεσιών ICT.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence “AArdVark, isc SA is a Greek ΙΤ company founded in 1996.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Indirect evidence “smartTREE is a premium, tech oriented, business consulting company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “The TWIN NET Information Systems Ltd, was founded in December 2004 in order to develop and implement IT solutions as well as provide consultancy services covering a wide range of…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “Software & Services” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Indirect evidence “Cluster CIS was founded by people with long experience in the field of domestic IT market with tenure in the largest domestic software and equipment companies, specializing in the…” Source: RevenueBase Database · checked Sep 20, 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: implementation service providers. 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 implementation service providers.
- Partial evidence
- Its own public description names part of implementation service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name implementation service providers. 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 72 implementation service providers based in Greece
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 677 reachable decision-makers.
Free signup · no credit card
Implementation service providers based in Greece at a glance
As of Sep 20, 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 72 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 implementation service providers, 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 “implementation service providers”. 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 implementation service providers), 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 implementation service providers, 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, 677 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 20, 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.
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 implementation service providers, 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 implementation service providers are there based in Greece?
RevenueBase identified 72 implementation service providers 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?
Singularlogic, headquartered in Greece, tops this list with the largest team on record.
Which city has the most implementation service providers?
Athens leads with 18 headquartered companies, followed by Chalandri (2) and Marousi (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 677 verified decision-maker contacts tracked across these 72 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 72 implementation service providers based in Greece. Start with a free account, no credit card.
Download this list →Related lists
Implementation service providers by geography
- Implementation service providers based in Brisbane, Australia
- Implementation service providers based in Melbourne, Australia
- Implementation service providers based in Sydney, Australia
- Implementation service providers based in Belo Horizonte, Brazil
- Implementation service providers based in Curitiba, Brazil
- Implementation service providers based in Rio De Janeiro, Brazil
- Implementation service providers based in Sao Paulo, Brazil
- Implementation service providers based in Calgary, Canada
- Implementation service providers based in Mississauga, Canada
- Implementation service providers based in Montreal, Canada
- Implementation service providers based in Toronto, Canada
- Implementation service providers based in Berlin, Germany
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Implementation service providers based in Brisbane, Australia
- Implementation service providers based in Melbourne, Australia
- Implementation service providers based in Sydney, Australia
- Implementation service providers based in Belo Horizonte, Brazil
- Implementation service providers based in Curitiba, Brazil
- Implementation service providers based in Rio De Janeiro, Brazil