- M Models International - Agency with offices in Los Angeles and Las Vegas.
- M3 - Male model management agency based in Los Angeles, with offices in Chicago, Dallas, Miami, Phoenix, San Francisco, Toronto and Vancouver.
- M4 Models Management - Offices in Berlin and Hamburg. Site in German and English.
- Mac Models - Agency in Cologne (Köln). Navigation menus in English; some content in German.
- Mademoiselle Agency - Paris agency, specializing in female models between the ages of 16 and 23 (including Anna Sinkovská). Site in French and English.
- Madison Models - Offices in New York.
- Magic Models - Agency in Novobirsk, Russia.
- Major Model Management - New York agency with a client list including Vogue, Versace, Gucci, Ralph Lauren, Estee Lauder, Valentino, and Armani.
- Mango Models - Agency in Warsaw. Menus in English, content in Polish.
- Marbella Models - Agency in San Pedro de Alcantara, on Spain's Costa del Sol. Represents female, male, child, petite and plus size models, in addition to television presenters, extras and stuntmen. Also manages fashion shows and shoots.
- Max Models - Agency in Cape Town, South Africa. Also runs Max Management, representing hair and makeup artists.
- Maximum Talent Agency - Offices in Denver, Colorado. Represents models, actors and voiceover artists.
- Mega Model Agency - Offices in Hamburg. Site in German and English.
- Mega Models Miami - Miami offices of agency based in Brazil. Represents such models as Karoline Kurkova, Eva Herzigova, Carmen Kass, Ana Hickman, Isabelli Fontana, and Ana Claudia Michels.
- Mega Models - Brazilian agency, based in São Paulo. Site in Portuguese.
- Metropolis Models - Agency based in Berlin. Site in German and English.
- Metropolitan - Model management agency with offices in Paris and New York. Also runs Metropolitan Celebrity, representing personalities in cinema, music, sport and television, and the Metropolitan Top Model contest. Site in French and English.
- Mi Modelmanagement - Agency in Amsterdam representing female models. Site in Dutch and English. Opens full-screen.
- Michael Turney Agency - Located in Shreveport, Louisiana United States, with relationships with agencies in Milan, Paris, New York, Dallas, Houston and Atlanta.
- MIKAs - Agency in Stockholm representing models and hair and makeup artists. Site in Swedish and English ("info" section in Swedish only). Opens full-screen.
- Minx Model Management - Division of VMH, located in Vancouver, British Columbia.
- Mode é Arto - Agency in Québec City, Canada, representing actors and models. Also runs schools for actors and models. Site in French.
- Mode Models International - Model placement, scouting and development agency with offices in Calgary and Edmonton Alberta (Canada) and Portland Oregon (US).
- Modelboom - Agency in Helsinki.
- Modellin - Agency based in Guangzhou, China, with branch offices in Shanghai and Beijing.
- Modellink - Agency in Göteborg (Gothenburg), Sweden. Site requires registration to view models.
- Models 1 - London agency representing models, actors, photographers, and hair and make-up artists.
- Modelwerk - Agency in Hamburg. Site in German and English.
- Modus VivendiS - Model management agency in Moscow. Site in Russian and English.
- MOT Models - Model management agency located in Berkhamsted and London, UK.
- MRA Models Agency - Offices in Bucharest, Romania, with a satellite office in Chisinau, Moldova. Site in Romanian and English.
- Mustard Model Agency - Offices in Bristol, UK.