J Mitchell Design is a freelance fashion design agency specialising in activewear, sportswear, streetwear, and sustainable fashion. We help startups and established brands turn ideas into market-ready collections by offering end-to-end creative and production services. From early concept development through to tech packs, CADs, sourcing and manufacturing support, we guide brands through every stage of the fashion design process.

Led by senior fashion designer Jonathan Mitchell—whose 20+ years in the industry includes work with Puma, Adidas, Umbro and Next—J Mitchell Design combines design expertise with practical production knowledge. Our global network of trusted manufacturers in Portugal, Turkey and China allows us to offer low MOQ solutions for small and scaling brands, alongside trend-led, commercial designs.

We provide:

Fashion brand consultancy and concept development

2D and 3D fashion CADs, tech packs and fashion graphics

Sustainable and ethical design solutions

Sourcing and sampling with low MOQ options

Manufacturing support, QC, packaging and delivery


Whether you're launching your first collection or growing your product range, we offer the creativity, industry insight, and hands-on support needed to bring your vision to life.

J Mitchell Design

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J Mitchell Design

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