6 Oct 2026 · TrustList Editorial
Greece puts back e-invoicing for firms under €1m to 2 November
A transition period now runs to 31 January 2027. About 655,000 smaller businesses, roughly 70% of those affected, have already started…
15 of 25 digital marketing companies ranked on evidence in the Q4 2026 edition.
Between them, the 25 digital marketing companies on this page cover web development (17), IT services (16), software development (13) and social media marketing (12). They also list work in Athens. 25 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
15 of 25 digital marketing companies ranked on evidence held on 6 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.

Hospitality & Leisure · Financial Services · SEO
Globe One Digital runs digital marketing campaigns and business consultancy from offices listed in Athens and Bucharest.
Why #1: Based in Athens and Bucharest · In business 25+ years · Google partner, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Web Development · IT Services
DigitalUp is a digital marketing company in Athens, founded in 2014. It builds websites and online shops for clients and then promotes them.
Why #2: Based in Athens, Greece · Founded 2014 · Google partner, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Hellenic Research House is a market and public opinion research company based in Athens.
Why #3: Based in Athens, Greece · Founded 1992, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Production
Green Olive Films is a production services company with offices in Athens and Nicosia.
Why #4: Based in Athens, Greece and Nicosia, Cyprus · Founded 1996, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Search Engine Optimization · Hospitality & Leisure · Digital Marketing
eproductions is a web development and digital marketing agency run from Athens, Greece.
Why #5: Based in Athens, Greece · Founded 1997, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Web Development · IT Services · Software Development
Steficon Greece is a digital agency working in Athens for Greek and international companies.
Why #6: Based in Athens, Greece · Founded 2000, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Abacus Research is a Greek market research company based in Athens, set up in 2004 as a provider of fieldwork services only.
Why #7: Based in Athens, Greece · Founded 2004, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Mobile App Development · Web Development
iTrust Digital is a digital marketing agency with offices in Greece and Berlin.
Why #8: Based in Greece, with an office in Berlin · Founded 2006, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Production · Also in Europe and Venice
Boo Productions is an audiovisual production company in Athens, Greece, formed in April 2007 when four experienced producers joined forces.
Why #9: Based in Athens, Greece · Founded 2007, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Web Development · IT Services
Nelios is a digital marketing agency in Athens that works with hotels, resorts and tourism destinations.
Why #10 (shared): Based in Athens, Greece · Founded 2008, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · IT Services · Software Development
Nelios is a digital strategy agency for hotels and destinations, based in Athens, Greece. It was founded in 2008 by Dimitris Serifis.
Why #10 (shared): Based in Athens, Greece · Founded 2008, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Web Development · IT Services
SLEED is a Greek agency for e-business and digital marketing, based in Athens.
Why #12: Based in Athens, Greece · Founded 2010, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Search Engine Optimization · Web Development
Interweave Agency is an interactive marketing agency set up in February 2013. It works from London and Athens for brands and organisations in many countries.
Why #13: Based in London and Athens · Founded 2013, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Search Engine Optimization · Web Development · Web Design
WEDIA, also written Wedia, is a digital agency in Athens, Greece. It says it has brought together design, technology and digital marketing for more than twelve years.
Why #14: Based in Athens, Greece · In business 12+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Search Engine Optimization · Web Development
Wedia Digital Business Agency is a digital agency in Athens, Greece. It joins design, technology and digital marketing, and has been doing so for more than twelve years.
Why #15: Based in Athens, Greece · HubSpot partner, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Web Development · IT Services
Codefunnels is a marketing technology company that generates new customers for businesses through performance marketing.
IT Services · Digital Marketing · UI/UX Design
Addit Digital Marketing is a fast-growing agency that offers a full range of digital marketing services.

Mobile App Development · Web Development · IT Services
Addit Digital Marketing is a digital marketing agency that describes its work as making marketing digital.

Social Media Marketing · Mobile App Development · Web Development
Ast S.A. trades as AstroLabs and describes itself as a full-circle digital marketing agency.
On record: Address in Greece

Also in Warszawa and Athens
Brain Candy Group, trading as Braincandy, is a market research company in Athens, Greece.
On record: Based in Athens, Greece

Social Media Marketing · Search Engine Optimization · Mobile App Development
Athens digital agency offering web design, e-commerce, mobile apps and digital marketing for small and medium businesses
On record: Based in Athens, Greece

Social Media Marketing · Web Development · IT Services
Crystal Cut SA belongs to a group of multinational advertising and communication organisations.

Social Media Marketing · Search Engine Optimization · Web Development
DevelopGreece describes itself as the first business development network of its kind in the Greek entrepreneurial scene.
On record: Based in Greece

Social Media Marketing · Web Development · IT Services
Mozaik is a digital marketing agency in Athens, Greece. It combines strategy, creative work, media and technology for clients, and it presents itself as a team that works closely…
On record: Based in Athens, Greece
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6 Oct 2026 · TrustList Editorial
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