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“The results have been terrific, and Once Advertisements is truly upping our game in both product/brand awareness and how we present ourselves. I can't recommend these guys enough. They truly exemplify what an e-commerce partnership should be.”

- Spencer G. VP of eCommerce at MantelMount

Two iPhones picturing software, that the Founder of Once Advertisements, Gergo Mezes developed. The iPhone on the left shows the interface of the ‘course section’, whereas the iPhone on the right shows the ‘user’ interface of the ‘client profile’ dashboard.
 An ‘X’ and ‘Y’ axis graph comparing Once Advertisements, a digital marketing agency, and other industry competitors on 2 metrics: customer centricity and ability to deliver.

What makes ‘Once’ your #1 growth partner?

This is how we stand out from marketing agencies.

  • In depth analysis of your company & its target audience
  • Full integration and co-operation with your team
  • Fast & easy onboarding process
  • Straightforward & transparent communication
  • Simplicity & elegance in the way our team works
  • Expertise in many industries
  • In depth account audits

Dedicated To Your Growth

Our philisophy is built around a constant strive for excellence and client satisfaction. The ‘Once’ team has fully dedicated itself to ensure high standards while fulfilling its company culture, ethos and values.

Bench group picture about team holding 2 MacBooks: Four of the Once Advertisements employees, Kristof Menesi, Krisztian Mezei, Matyas Laneury, and Gergo Mezes sitting on a bench in the ‘Museum Garden’ in Hungary.
‘In-office’ picture: Gergo Mezes, the founder of Once Advertisements, holding a meeting in a conference room for two of the Once Advertisements employees, Krisztian Mezei and Matyas Laneury.2 employees in white and black T-shirts pointing at the MacBook: Two of the Once Advertisements employees, Krisztian Mezei and Kristof Menesi sitting in Lumen Café discussing business matters.
White T-shirt dude alone picture: Kristof Menesi, the Head of Content at Once Advertisements, sitting on the stairs on ‘Gellért-Hill’ in Hungary.Black T-shirt standing dude below the white T-shirt sitting dude: The Chief Marketing Officer at Once Advertisements, Matyas Laneury at the ‘Museum Garden’ in Hungary.
Bench group picture about team holding 1 MacBook: Three of the Once Advertisements employees, Krisztian Mezei, Matyas Laneury, and Gergo Mezes sitting on a bench in the ‘Museum Garden’ in Hungary.
Black T-shirt dude crunching, wearing a black baseball cap: The Art Director at Once Advertisements, Krisztian Mezei, sitting on ‘Gellért-Hill’ in Hungary.Black T-shirt dude below the crunching dude(Gergő): The founder of Once Advertisements, Gergo Mezes at the ‘Museum Garden’ in Hungary.

Companies That Trust Us

Logo of BR Works, a web and mobile app development company.
Logo of DollarLeads, a lead sourcing company.
Logo of Peakbit Technologies Kft, a web and mobile app development company.
Logo of RemySleep company.
Logo of MantelMount company.
Logo of KodamSoft, a web and software development company.

Are we your ideal partner?

Choosing a long-term growth partner is the matter of the highest responsibility. Find out whether our offer and your expectations synergize.

Logo of Once Advertisements, a digital marketing agency.

It’s a match if:

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  • You ran paid ads before, but didn’t bring expected results
  • You have issues in targeting your desired audience
  • Your ads are constantly banned or taken down
  • You are looking for other revenue streams
  • You are looking for a strategy to increase customer retention and boost sales consistently
  • You don’t have the resources to hire and educate new marketing team
  • You’re ready to make solid investments and build long-term partnerships

Let’s get you started

Book a call

There might be some issues if:


  • You’re not ready to invest in growing your digital presence
  • Your business requires multi-step approval stages
  • You are looking for overnight success & instant results
  • You are not interested in running paid ads for your business
  • You are selling “everything to everyone”

Come back later

Get Your Questions Answered

We’ve gathered some of the most frequently asked questions about Once Advertisements.