Este artigo apresenta uma analise comparativa do mercado de trabalho do setor da Construcao Civil, no Brasil e na Franca, em um contexto de flexibilizacao. Fruto de pesquisas de campo em canteiros de obras, nesses dois paises, o texto aborda especificidades da informalidade dos contratos de trabalho no setor, que vem produzindo uma transferencia das ilegalidades das grandes para as pequenas empresas. No caso Frances, mediante as agencias de temporarios. No Brasil, atraves das pequenas empresas clandestinas, denominadas “gatas”. Enfatizam-se a percepcao dos trabalhadores frente as ilegalidades e suas estrategias para se manter no mercado. No caso Frances, ressalta-se o trabalho de imigrantes clandestinos ou portadores de titulos de estadia precarios, viabilizados pelas agencias de temporarios. No Brasil, percebe-se que o setor sempre se organizou com base na informalidade e busca, aos poucos, fidelizar os trabalhadores, ainda que se mantenha predominante o trabalho informal. PALAVRAS-CHAVE: informalidade, subcontratacao, construcao civil, trabalho, precariedade. SUBCONTRACTING AND INFORMALITY IN CIVIL CONSTRUCTION, IN BRAZIL AND FRANCE Luciano Rodrigues Costa This paper presents a comparative analysis of the labor market of the construction industry in Brazil and France, in a context of flexibility. This text, being the result of field research on construction sites in these two countries, discusses specifics of the informal labor contracts in the sector, which have produced a transfer of illegalities from large to small businesses. In the French case, through temporary agencies. In Brazil, through small businesses underground, called “kittens. ”The perception of workers against such illegalities and their strategies to stay on the market are emphasized. In the French case, the work of illegal or semi-legal immigrants, made possible by temporary agencies. In Brazil, it is clear that the industry has always been organized based on informality and seeks, gradually, to retain workers, even though informal work remains predominant. KEYWORDS: informality, subcontracting, civil construction, labor, precariousness. SOUS-TRAITANCE ET INFORMALITE DANS LA CONSTRUCTION CIVILE, AU BRESIL ET EN FRANCE Luciano Rodrigues Costa Cet article presente une analyse comparative du marche du travail dans la Construction Civile au Bresil et en France, dans un contexte de flexibilite. Fruit des recherches de terrain effectuees sur des chantiers de construction dans ces deux pays, ce texte aborde les specificites des contrats de travail informels dans le secteur qui entrainent un transfert d’illegalites des grandes aux petites entreprises. Dans le cas francais, ceci se fait par le biais des agences d’interim, au Bresil, par le biais des petites entreprises clandestines, appelees “gatas”. On y souligne la perception de ces illegalites par les travailleurs et les strategies utilisees pour rester sur le marche. Dans le cas francais, l’accent est mis sur le travail des immigres clandestins ou porteurs de titres de sejour precaires, rendus possibles par les agences de travail interimaire. Au Bresil on peut se rendre compte que le secteur a toujours ete organise sur la base de l’informel mais cherche progressivement a fideliser les ouvriers, meme si le travail informel reste predominant. MOTS-CLES: informalite, sous-traitance, construction civile, travail, precarite. Publicacao Online do Caderno CRH: http://www.cadernocrh.ufba.br Publicacao Online do Caderno CRH no Scielo: http://www.scielo.br/ccrh