ISAIA was founded in Naples in the 1920s by Enrico Isaia, who initially opened a fabrics store for renowned tailors. The business expanded into a small workshop, producing tailor-made men's clothing. In 1957, the Isaia brothers moved the business to Casalnuovo, where it became a leading tailoring company, producing high-quality garments for prestigious Italian shops. By the 1980s, ISAIA had expanded globally, distributing its products in the United States, Europe, Japan, and China. The brand is renowned for its commitment to the "made in Naples" tradition and its contemporary approach to tailoring.
ISAIA's success is rooted in its dedication to the Neapolitan tailoring tradition, which is highly respected worldwide. The company combines this heritage with a modern perspective on sartorial tailoring, known as "contemporary tradition". With showrooms in Milan and New York, ISAIA continues to uphold its reputation for quality and craftsmanship.
The company is headquartered in Casalnuovo, Napoli, Italy, and operates as a privately held business. ISAIA employs 311 people and has been a cornerstone of the tailoring industry since its founding in 1920.
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B2B professionals would contact ISAIA for its unparalleled expertise in luxury tailoring, its commitment to quality craftsmanship, and its global distribution network. ISAIA offers a unique opportunity for partnerships and vendor collaborations in the high-end fashion industry.
Sales teams selling luxury fashion products, fashion retailers looking for high-quality tailoring solutions, and partners interested in collaborating with a renowned tailoring brand should reach out to ISAIA.
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Last verified: February 2, 2026
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