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Marketing Aplicado Lda (Portugal)

Portuguese company based in Lisbon that operates digital book, ebook and digital-library platforms such as euleio.pt, ileio.com and u-on.pt under the MARKA brand.

Last updated September 29, 2026

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Overview

Marketing Aplicado Lda is a Portuguese company headquartered in Lisbon that operates under the MARKA brand. Its public-facing activity centres on digital reading and library services: the sale of books and ebooks, the creation and management of digital libraries, and the distribution of academic textbooks. The company presents itself through the marka.pt website, which frames its offer around four audiences — consumers, digital libraries, publishers and bookstores — and describes how the publishing and library sectors are being reshaped by digital distribution. On the consumer side, Marketing Aplicado Lda runs the euleio.pt store, which the company describes as offering around twenty-six million titles in several languages as of January 2017, with weekly updates that add on average about one thousand titles. The site also indexes books held by physical bookstores, allowing customers to search across multiple sources from one place. A purchase of an ebook on euleio.pt automatically creates a free personal account in the associated digital library ileio.com, where ebooks can be read online in a web browser or offline through the company's apps. At the time described, only an Android app was available, with apps for other systems announced as forthcoming. For the academic market, the company operates u-on.pt, a site dedicated to selling university textbooks, initially available only in English. For institutions, Marketing Aplicado Lda provides two specialised services: the creation, management and maintenance of digital libraries. The company states that the digital libraries it builds and manages are fully autonomous, requiring no intervention from the IT services of participating institutions and using none of their hardware or software resources. Marketing Aplicado Lda is recorded as a company in Lisbon, Portugal. It is a private company; no parent company, ownership structure, founding year or founder is established by the available evidence, and no stock listing is indicated. Its positioning is that of a digital intermediary and service provider for books, ebooks and library infrastructure in the Portuguese market, connecting readers, publishers, bookstores and institutions.

History

Marketing Aplicado Lda is a Portuguese company based in Lisbon that operates under the MARKA brand. The available evidence does not establish its founding year, founder or ownership history. What is documented is its activity as a digital book and library services business, presented through the marka.pt website. The company's public positioning is organised around four groups affected by the shift to digital: consumers, digital libraries, publishers and bookstores. For consumers, it operates the euleio.pt store, which the company describes as offering around twenty-six million titles in several languages as of January 2017, with weekly updates adding on average about one thousand titles. The store also indexes books available in physical bookstores, enabling centralised searching across multiple sources. Purchasing an ebook on euleio.pt automatically creates a free personal account in the associated digital library ileio.com, where ebooks can be read online in a web browser or offline through the company's apps; at the time described, only an Android app was available, with other platforms announced as forthcoming. For the academic segment, the company runs u-on.pt, a site dedicated to selling university textbooks, initially available only in English. For institutions, Marketing Aplicado Lda provides two specialised services focused on the creation and management of digital libraries. The company states that the digital libraries it creates and manages are fully autonomous, requiring no intervention from the IT services of participating institutions and using none of their hardware or software resources. The company is recorded as a company in Lisbon, Portugal. It is a private company, and no parent company, group affiliation, stock listing or executive leadership is established by the available evidence. Its history as documented is therefore primarily a history of platform building and service provision in the Portuguese-language digital reading market rather than of corporate transactions or ownership changes.

  • As of January 2017, the euleio.pt store is described as offering around twenty-six million titles in several languages, with weekly updates adding on average about one thousand titles.

  • An Android app for offline ebook reading is made available, with apps for other systems announced as forthcoming.

Products and positioning

Digital intermediary and service provider for books, ebooks and digital library infrastructure in Portugal, serving consumers, publishers, bookstores and institutions.

  • euleio.pt

    Book and ebook store offering titles in several languages and indexing books from physical bookstores.

  • ileio.com

    Personal digital library automatically created for euleio.pt ebook buyers, readable online or offline via apps.

  • u-on.pt

    Site dedicated to selling university textbooks, initially available only in English.

  • MARKA digital library services

    Creation, management and maintenance of autonomous digital libraries for institutions.

Sources2 sources

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