---
title: Circular Link | The company of Marcel Melzig
url: https://circularlink.eu/
---

# Circular Link

Circular Link is the company of Marcel Melzig: five ventures, run from Germany for partners worldwide.

## Ventures

1. **Advisory & Speaking:** market intelligence, assortment strategy and talks for luxury, sportswear and fashion brands. Front door: https://marcelmelzig.com/
2. **Brand Commerce:** branded footwear, apparel and accessories for trade partners and end customers (B2B, B2C, D2C). Enquiries: marcel@circularlink.eu
3. **Collectibles:** luxury watches (Rolex, Patek Philippe, Audemars Piguet, Omega) and graded trading cards (Pokémon, One Piece, Dragon Ball Super; graded by PSA and BGS), bought and sold with full documentation. Independent dealer, not affiliated with or endorsed by the brands named.
4. **Size Run Studio:** 30+ spreadsheet templates for buyers, resellers and freelancers (size runs, line sheets, pricing, reseller and profit trackers). Excel and Google Sheets, no macros. Shops: https://sizerunstudio.gumroad.com and https://www.etsy.com/shop/SizeRunStudio
5. **Hotel Retail:** locally made, design-led ranges for hotel shops, curated per property. Working with Motel One Group.

## Behind Circular Link

Marcel Melzig, founder, investor and advisor. LinkedIn Top Voice; #1 Luxury Fashion creator on LinkedIn in Germany (Favikon, Nov 2026). Speaker at The Learning Lab, Zürich; media partner of Shoptalk Luxe. Strategic partner of Heuritech, Luxurynsight and LIGANOVA. Featured by LinkedIn News, quoted in Vogue Business and Handelszeitung.

## Contact

- Email: marcel@circularlink.eu
- Phone: +49 151 62848983
- Advisory and speaking: https://marcelmelzig.com/contact

## Company details

Circular Link, Marcel Melzig (sole proprietor), Mendelssohnstraße 31, 40670 Meerbusch, Germany. VAT ID DE343492467. Imprint: https://circularlink.eu/imprint/ · Privacy: https://circularlink.eu/privacy-policy/