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S73

A diversified commerce and technology company

Building the next generation of commerce.

Commerce · Technology · Production · Distribution · Advisory

Who We Are

A diversified American commerce and technology company.

S73 operates six business areas under one roof, from books and marketplace commerce to software, custom production, and advisory work. Each one runs to the same standard.

S73 is the public brand of 1973 SIRIUS LLC, a U.S. company.

About the company
Our Businesses

What we operate.

01

Books & Media

Sourcing, cataloging, and online resale of books and media across U.S. marketplaces.

02

Software & Technology

Business systems and workflow automation, built in house to run S73's operations.

Brand Partnerships

Built for long term brand partnerships.

S73 is built to work with brands as an accountable partner. We aim to protect brand equity while growing distribution.

  • Authorized Retail

    Structured retail relationships that respect brand guidelines and channel strategy.

  • Wholesale Purchasing

    Professional wholesale accounts with dependable, repeatable purchasing.

  • Marketplace Expansion

    Careful expansion of brand presence across major U.S. marketplaces.

  • Brand Protection

    Pricing conduct and listing integrity that protect brand equity.

  • Inventory Management

    Planned buying, steady stock levels, and orderly inventory turnover.

  • Data & Reporting

    Clear reporting on sales, channels, and performance.

Across Our Operations

  • Penguin Random House
  • Amazon
  • Helium 10
  • HarperCollins
  • Walmart
  • uShip
  • Simon & Schuster
  • eBay
  • Keepa
  • Hachette Book Group
  • Alibris
  • FreightCenter
  • Macmillan
  • AbeBooks
  • Freightquote
  • Scholastic
  • Wiley