January 2020 UPDATE: COsewn is not currently accepting new clients.

COsewn connects apparel designers with a range of fashion and sewn product development and production resources.

Additionally, the following services are currently offered:

  • Concept evaluation
  • Tech Packs
  • Startup coaching & consulting
  • Pattern making
  • Sample sewing / Prototyping
  • Sales samples
  • Project management

COsewn coaches clients through the process of preparing to work with patternmakers, sample sewers, and production facilities, as well as offers project management. For starters, read the Guide to Working With Pattern and Sample Makers.

Feel free to contact Jessica with any questions!


Experience includes men’s and women’s apparel, children’s wear. We can work with a variety of apparel weight materials, including wovens, knits, and lightweight leather and denim. We do not work with bridal / formalwear, lingerie, luggage, handbags, or heavy weight materials.

  • Single needle lockstitch
  • ZigZag
  • 3,4,5, & 6 thread overlock
  • 2/3 needle top and/or bottom coverstitch
  • Rolled hem (3 thread scarf edge)
  • Heat press
  • Snap setter