In 1989 he founded the Portillo & del Sol studio together with his partner Mª José del Sol, providing comprehensive image and communication services (Corporate Design, Editorial Design, Brand and Packaging Design, Photography, Electronic and Online Publishing, Web Design, Multimedia Publications on CD-ROM, Illustration).

In those years, his work developed for Alvalle stands out, the creation of its graphic identity, website, packaging and all the development of communication until the sale of the company to Pepsico, continuing his collaboration until 2014.

Of the editorial works of the studio, titles such as “Memoria de Arqueología”, the “Ibn Arabí” collection, “History of Spanish Cartooning”, the “Imagen” collection stand out (monographs on José Sacristán, Oscar Mariné, Maribel Verdú, José Crespo…), the“Gran Enciclopedia de la Región de Murcia” edited by Ayalga Ediciones and magazines such as “Letragorda”, edited by the Cultural Association for the Promotion of Reading, under the graphic line made by Severo Almansa, the magazine “Boca a boca”, by Juventud, under the artistic direction of Ángel Mateo Charris, the magazine “Balance”, edited by Miguel Olivares or the catalogue “La fiesta del Lago”, on the occasion of the Universal Exhibition of Seville in 1992.