Ecommerce · Seattle, United States

Ecommerce Agency in Seattle.

Shopify, headless and custom ecommerce experiences built to lift AOV, conversion rate and customer lifetime value. Seattle's tech and outdoor-lifestyle brands demand engineering-grade digital execution.

What we do

A ecommerce agency in Seattle built for ambitious brands.

SDM is an independent digital agency working with clients across Seattle and United States. We combine strategy, design, engineering and performance in one team, so ecommerce decisions ladder up to real commercial outcomes.

  • Shopify and Shopify Plus01
  • Headless commerce02
  • CRO experimentation03
  • Subscription and loyalty04
  • Payments and integrations05
  • Merchandising06

Why brands in Seattle choose SDM

Award-winning craft

Recognised by Awwwards, Prestige Awards and the British Business Awards for ecommerce work.

Commercially focused

We measure ecommerce success in pipeline, revenue and share of voice, not vanity metrics.

Local and global

Studios in London and New York, delivering ecommerce for brands in Seattle and beyond.

Recognition

Recognised for the work. Trusted for the results.

  • 2025

    British Business Awards

    Fastest Growing Marketing Agency

  • 2025-2026

    Prestige Awards

    Marketing Agency Of The Year

  • 2022-2026

    Awwwards

    Site Of The Day (x4)

  • 2024-2025

    Prestige Awards

    Marketing Agency Of The Year

  • 2024-2025

    CSSWINNER

    Site Of The Day (x2)