1988 Divertimento. Galatea Gallery. Mexico Contemporary Mexican Painters. Rodríguez Caramazana Gallery. Mexico VIII Group Exhibition. Red Cross Foundation. Mexico 1989 Mateo de Vallescar. HB Gallery. Mexico Winter Group Exhibition. HB Gallery, Mexico IX Group Exhibition. Red Cross Foundation. Mexico 1990 The Spaces of Tobler, Durán & Vallescar. HB Gallery. Mexico Young Artists Born in the 60's. National Institute of Fine Arts (Instituto Nacional de Bellas Artes). Mexico Blanc i Negre Sobre Paper. Àmbit Gallery. Barcelona X Group Exhibition. Red Cross Foundation. Mexico 1991 El Tiempo Detenido. HB Gallery. Mexico Anar i Tornar. Installation and performance with Mario Pasqualotto. Arcs & Cracs Gallery. Barcelona XI Group Exhibition. Red Cross Foundation. Mexico Winter Group Exhibition. HB Gallery, Mexico 1992 Adagio. Guernika Gallery. San Miguel de Allende, Mexico Finalist on the VIII Iberoamerican Biennale of Art. INBA (National Institute of Fine Arts / Domecq Cultural Institute). Mexico. Mateo de Vallescar. Muntané Gallery. El Port de la Selva, Girona 1993 Mateo de Vallescar. Jordi Boronat Gallery. Barcelona Sur les Traces Blanches du Temps. Galerie-Atelier Hang'Art. Biére, Switzerland Finalist on the XXXI International Drawing Contest of the Royal Academy of Fine Arts of Sant Jordi. Barcelona Mateo de Vallescar. Drawings. Muntané Gallery. El Port de la Selva, Girona Recent Works by Mateo de Vallescar. Padam-Padam Exhibition Space. Barcelona 7ème Exposition Neuchâtel-Arts 93. Neuchâtel. Switzerland 1994 2ème Biennale d'Art de Chêne-Boug. Switzerland Mateo de Vallescar. Muntané Gallery. El Port de la Selva, Girona Mateo de Vallescar. El Atrium Art Space. Barcelona IX Trobada de Pintura del Barranc de Biniaraix. Majorca La P'tite Afrique. Thônex, Genève. Switzerland 1995 La P'tite Afrique. Muntané Gallery. El Port de la Selva, Girona Matthäus Passion. El Atrium Art Space. Barcelona 1996 Mini Art. Titanik. Ateliers 37. Lausanne. Switzerland Jardins Faisant '97. Project for a urban installation in collaboration with Swiss-American artists Harris, Sterchi, Gorton & Philippe. Lausanne, Switzerland Finalist on the “Logo pour la Hotte” Contest. Les Diablerets, Switzerland Luna-Res Project. La Bâtie International Art Festival. Genève, Switzerland Galerie Alexandre Mottier. Genève, Switzerland Forum Meyrin. Meyrin. Switzerland 1997 DAHU. Galerie la Hotte. Les Diablerets, Switzerland Du Nord Rêvé aux Rêves du Nord. Project in collaboration with Frédéric Choffat (swiss artist and fim director). Anciennes Arcades. Montreux, Switzerland Du Nord Rêvé aux Rêves du Nord. Hôtel de Ville. Lausanne, Switzerland 1998 Le Petit Train du Coeur. Janyce Foundation. Les Diablerets - Aigle - Champéry. Switzerland Els Menjadors de Frit. Es Baret. Sineu, Majorca IV Group Exhibition of Painting. Town Hall of Sineu, Majorca 1999 Hunters. Lloret de Vistalegre Cultural Center, Majorca Vers l'Eau. Estudi Conceptes Art Gallery. Sineu, Majorca 2000 Winter Group Exhibition. Estudi Conceptes Art Gallery. Sineu, Majorca Art Refugi 2000 Foundation. Palma, Majorca 2001 Taller Obert / Open Studio. Santo Domingo Summer Festival. Lloret de Vistalegre, Majorca Los Bonanits. Exhibition & Jazz. Son Bauló Art. Lloret de Vistalegre, Majorca Futuro Foundation. Palma, Majorca 2002 Pau Jaume, Pere Serra & Mateo Vallescar. Dels Bous Gallery . Sineu, Majorca Nuevo Futuro Foundation. Palma, Majorca 2003 Mateo De Vallescar. Sa Teulera Art Showroom. Artà, Majorca Acapulco. La Costa Restaurant & Chillout. Portocolom, Majorca Nuevo Futuro Foundation. Palma, Majorca 2004 Deserts. Es Figueral Gallery. Artà, Majorca Mateo De Vallescar. Centre D'Art Sant Bernat. La Real, Majorca Nuevo Futuro Foundation. Palma, Majorca 2005 S'Estació Group Exhibition. Visual Artists Association of Artà, Majorca. Nuevo Futuro Foundation. Palma, Majorca 2006 Paintings by Paul Carr & Mateo De Vallescar. S'Estació. Artà, Majorca Nuevo Futuro Foundation. Palma, Majorca 2008 Simba "New Works”. Colònia Sant Pere, Majorca Earth Spaces. G Gallery, Mexico Nuevo Futuro Foundation. Palma, Majorca 2010 Earth Works. Sa Punta de S'Estanyol Hotel Lobby. Majorca Dignity & Work. Artists in support of African Inmigrants. Na Batllesa Cultural Center. Artà, Majorca 2011 Zen Paintings. Rodrigo Payró Art Space. Mexico The Magic Reality. Seas & Jaguars. Es Caló Art Space. Betlem, Majorca Magic Blue. Cap Vermell Cultural Center. Cala Rajada, Majorca 2012 Dignity & Work. Artists in support of African Inmigrants. Na Batllesa Cultural Center. Artà, Majorca Deep Blue / Azul Profundo. Anatole France's Cultural Showroom. Mexico Group Exhibition. Na Batllesa Cultural Center. Artà Majorca 7th Anniversary Group Show. C'an Dinsky Gallery. Son Servera, Majorca 2013 Simba. Blue Paintings. C'an Dinsky Gallery. Son Servera, Majorca 2015 Rêves et Assemblages. Mateo de Vallescar (SIMBA). Galerie La Hotte. Les Diablerets, Switzerland 2016 Water Architectures / Arquitectures D'Aigua. Mateo de Vallescar (SIMBA). Can Salom Art Showroom. Petra, Majorca