Companies · category

Top IT Service Providers in Greece

24 of 80 IT service providers ranked on evidence in the Q4 2026 edition.

Between them, the 81 IT service providers on this page cover software development (73), web development (66), IT services (64) and frontend (36). They also list work in Canada, Sweden and Germany. 81 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

24 of 80 IT service providers ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All IT service providers 24 ranked SMEs 24 ranked

Filter by fitbudget, engagement, size and more

Existanze #connectingdots
Custom Software Development · Software Development · Web Development
Existanze #connectingdots is an information technology company founded in 2005. It builds bespoke software and links separate business systems together for Greek businesses.
Write a review
Why #1: Address in Greece · Founded 2005 · ISO 27001, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Atcom S.A.
Software Development · Web Development · IT Services
Atcom S.A. is a Greek digital business company founded in 2000. It provides consulting and builds web projects that join technology with creative work.
Write a review
Why #2: Based in Greece · Founded 2000 · Team of 120+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Eworx S.A.
Mobile App Development · Software Development · Web Development
Eworx S.A. is a digital agency headquartered in Athens, working with clients worldwide.
Write a review
Why #3: Based in Athens, Greece · Founded 2001 · Team of 40+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Pavla S.A.
Mobile App Development · Software Development · Web Development
Pavla S.A. is a Greek company that began in 1965 supplying ticketing and validation systems.
Write a review
Why #4: Based in Greece · Founded 1965, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Info Quest Technologies
Software Development · Web Development · IT Services
Info Quest Technologies is a Greek company, part of the Quest company family, that brings information technology and communications products to the Greek market.
Write a review
Why #5: Based in Greece · In business 39+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Infodim L.P.
Software Development · Web Development · IT Services
Infodim L.P. is a Greek company that builds geographic information system (GIS) applications and manages spatial data.
Write a review
Why #6: Based in Greece · Founded 1991, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
MT
Mellon Technologies
Artificial Intelligence - AI · Mobile App Development · Software Development
Greek technology group providing IT, telemarketing, helpdesk and business process services to consumer-facing organisations
Write a review
Why #7: Based in Athens, Greece · Founded 1994, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Gnomon Informatics SA
Mobile App Development · Software Development · Web Development
Gnomon Informatics SA is a Greek software company that created eHealthPass, a patient-centred platform.
Write a review
Why #8 (shared): Based in Thessaloniki, Greece, with a branch office in Athens · In business 30+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Quality & Reliability S.A.
Software Development · Web Development · IT Services
Greek systems integrator building enterprise software, cloud applications and e-government systems for public and private clients
Write a review
Why #8 (shared): Based in Greece · In business 30+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Algosystems S.A.
Software Development · Web Development · IT Services
Algosystems S.A. is a systems integrator with offices in Greece and Qatar. It combines IT and communications work with automation and control and with metrology.
Write a review
Why #8 (shared): Office in Greece · In business 30+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Tessera Multimedia
Search Engine Optimization · Software Development · Web Development
Tessera Multimedia is a software company headquartered in Thessaloniki, Greece. It was founded in 1997 and designs and develops web, multimedia and mobile applications.
Write a review
Why #11: Based in Thessaloniki, Greece · Founded 1997, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Backbone Technology
Social Media Marketing · Web Development · Web Design · Also in Canada
Backbone Technology, also known as Backbone Digital, is a digital agency founded in 1999 in Vancouver, B.C. It later added offices in Bogotá and Athens.
Write a review
Why #12 (shared): Based in Bogotá and Athens · Founded 1999, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
webIQ Interactive Quality
Software Development · Web Development · IT Services
webIQ Interactive Quality is a web services company. It has worked in internet services since 1999 and builds websites, online shops and software applications on its own framework.
Write a review
Why #12 (shared): Based in Nea Ionia, Greece · Founded 1999, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
EG
Etraveli Group
Software Development · E-Commerce Development · eCommerce · Also in Sweden
Etraveli Group is a travel technology company focused on flights.
Write a review
Why #14 (shared): Based in 11 worldwide, including Athens, Gothenburg, London, Toronto and Mumbai · Founded 2000, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
AMD Telecom S.A.
Software Development · Web Development · IT Services
AMD Telecom S.A. is a telecommunications company established in 2000 and incorporated in 2007.
Write a review
Why #14 (shared): Based in administrative offices in Switzerland and Greece · Founded 2000, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Avaca Technologies S.A.
Software Development · Web Development · IT Services
Avaca Technologies S.A. is an independent consultancy in Athens, Greece, offering consulting, informatics and engineering work.
Write a review
Why #16 (shared): Based in Athens, Greece · Founded 2001 · Independent consultancy, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
RDC Informatics
Mobile App Development · Software Development · Web Development
RDC Informatics is an IT company in Athens, Greece that develops software and internet services.
Write a review
Why #16 (shared): Based in Athens, Greece · In business 25+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
MainSys
Mobile App Development · Search Engine Optimization · Software Development
MainSys is a web-focused company in Athens, Greece. It grew from a team that worked on web projects for the 2004 Athens Olympics.
Write a review
Why #18: Based in Athens, Greece · Founded 2004, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Hellenic Technologies
Software Development · Web Development · IT Services
Hellenic Technologies is a digital agency in Athens, Greece, active since 2005.
Write a review
Why #19: Based in Athens, Greece · Founded 2005, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Centiva Software Solutions
Software Development · Web Development · IT Services
Centiva Software Solutions is an Athens IT company that designs and builds custom software.
Write a review
Why #20: Based in Athens, Greece · Founded 2006, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
mSensis S.A.
Mobile App Development · Software Development · Mobile Platforms
mSensis S.A. is a software developer and solutions provider founded in 2007.
Write a review
Why #21: Based in Athens, Greece · Founded 2007, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Umobit SA
Search Engine Optimization · Software Development · Web Development
Umobit SA is a digital agency based in Athens that combines design, development and marketing. It has worked since 2008 with Greek growth companies and large multinationals.
Write a review
Why #22: Based in Athens, Greece · Founded 2008, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Desquared
Software Development · Web Development · IT Services
Desquared is a user experience and digital product agency founded in Athens, Greece, in 2012.
Write a review
Why #23: Based in Athens, Greece · Founded 2012, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
WIDE Services
Software Development · Web Development · IT Services
WIDE Services is a Greek IT company that delivers complete e-learning projects.
Write a review
Why #24: Based in Greece · ISO 9001, ISO 27001, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

For vendors

Want to see your company here?

The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

We check your registration, your website and your clients
Approved listings show the Verified badge here and on their profile
It earns a rank number and counts towards the TrustList Score; renewed yearly

Apply for vetting How vetting works

Sponsor this ranking

Paid · always labelled

A Sponsored card above the ranked list, up to three per ranking
Marked Sponsored, and it never changes the order
Booked by the month; cancel any time

Sponsor this ranking See prices

Top B2B companies in Greece7 categories ranked, 208 companies

Same subject

More it service providers rankings

Every other way we rank it service providers, by what they do and where they are.

All 216 rankings

Articles

More categories

Jump to another ranked category.

All categories

Keep exploring

More on TrustList

Everything here links back to the same verified catalogue. Pick your next stop.

Top IT Service Providers in Greece

Existanze #connectingdots

Atcom S.A.

Eworx S.A.

Pavla S.A.

Info Quest Technologies

Infodim L.P.

Mellon Technologies

Gnomon Informatics SA

Quality & Reliability S.A.

Algosystems S.A.

Tessera Multimedia

Backbone Technology

webIQ Interactive Quality

Etraveli Group

AMD Telecom S.A.

Avaca Technologies S.A.

RDC Informatics

MainSys

Hellenic Technologies

Centiva Software Solutions

mSensis S.A.

Umobit SA

Desquared

WIDE Services

Want to see your company here?

Get vetted

Sponsor this ranking

More it service providers rankings

Related reading

E-invoicing mandates: 14 deadlines in nine countries over the next 12 months

Greece puts back e-invoicing for firms under €1m to 2 November

Greece’s National Cybersecurity Authority tenders DDoS and web and API protection services: bids are due by 5 November 2026

More categories

More on TrustList