ecommerce & retail 3pl

High-Touch Fulfillment for High-Growth Brands

Atomix integrates with your store or marketplace to fulfill DTC, B2B, and FBA orders. Through same-day pick, pack, and ship to freight, returns, and custom kitting, our software and dedicated account managers make scalable growth possible.

Talk to an expert

See pricing

Awards & Recognition

On the Inc. 5000 —
two years running.

Atomix has ranked among America's fastest-growing private companies in both 2025 and 2026 — independent proof of the durable, sustained growth we build for the brands we serve.

Inc. 5000 Honoree

2025 & 2026

No. 1

In Transportation & Logistics (2025)

No. 9

Overall national rank (2025)
No. 1 in Wisconsin

THE ATOMIX GUARANTEE

Four guarantees no other 3PL will put in writing.

Most 3PLs treat their mistakes as your problem. We don’t — when we miss, you get paid automatically. No claim forms, no fight.

100%

Order Accuracy

Every order ships complete and correct — right items, right quantities, every time.

IF WE MISS

Full order credited + free reship

100%

On-Time Shipping

Order by 2 PM local and it ships the same business day. No exceptions.

IF WE MISS

$5 per order, per day late

100%

Billing Accuracy

Invoices accurate to the line item. No surprise charges, no mystery fees.

IF WE MISS

$25 per incorrect line item

100%

Inventory Accuracy

Your stock protected and accurate down to the unit while in our care.

IF WE MISS

Full cost credited if lost or damaged

We put our money where our mouth is. If we miss, you get paid.

Get a tailored quote →

Fast Growing Brands Trust Atomix

REAL NUMBERS, GUARANTEED IN WRITING

Beyond Fulfillment,
We’re Your Partner for Growth

These are the numbers we hit in the real world. And wherever we fall short of perfect, our guarantees make it whole — paid back to you in credits, automatically.

Atomix fulfillment team member at a packing station

≥ 99.7%

Fulfillment Accuracy

✓ Backed to 100% — full order credited

≥ 98.8%

On-Time Fulfillment

✓ Backed to 100% — $5 / order, per day late

< 0.5%

Shrinkage Allowance

✓ Backed to 100% — full cost credited

≤ 48 hrs

Avg. Dock-to-Stock

Operational benchmark

Get a tailored quote →↻ Explore DTC fulfillment

Full Suite of Services

Explore our flexible 3PL fulfillment solutions that are tailored to seamlessly adapt to the unique needs of your brand, empowering you rapidly scale operations and accelerate your growth with the confidence and peace of mind you deserve.

ECOMMERCE

DTC Fulfillment

Explore DTC

RETAIL READY

B2B & Wholesale

Explore B2B

Marketplace

Amazon FBM

Explore Amazon solutions

CX / Unboxing

Customizations

Explore customizations

Talk with an expert

Get pricing

Atomix Delivers Precision at Scale

Our team operates as an extension of yours, combining high-touch service with industry-leading performance: faster dock-to-stock, zero shrinkage, and nearly perfect on-time fulfillment. Atomix is built to help you grow without compromise.

Inventory Management

Our intuitive platform provides real-time visibility and proactive insights, so you're always in control without being in the weeds.

Order Fulfillment

Seamlessly meet demand surges and new opportunities with our flexible fulfillment infrastructure and adaptive workflows for maximum efficiency.

Warehousing & Storage

Tailored fulfillment solutions designed to support the unique needs of fast-growing DTC and B2B operations.

2-Day Shipping

Accelerate delivery times with fast and reliable shipping options to reach over 80% of the US in 2 days.

Returns Handling

Improve supply chain responsiveness with high-touch returns processing and an above average return to stock rating.

Custom Rules Engine

Reduce guesswork and operational delays with our custom rules engine that builds out operational structures and SOPs to seamlessly fit your workflows.

Get a tailored quote

See pricing

Connect With 100+ Integrations

Build a centralized fulfillment hub with Atomix’s 100+ integrations, including Shopify, Amazon, WooCommerce, USPS, FedEx, and PayPal to keep your teams connected with the apps they know.

Get custom pricing

Communication has been clear and prompt, and they have been incredibly patient with our questions. Looking forward to scaling with them.

Mandy N.

Co-Founder at Scruffy Dog Trading

Their team has always been very helpful in answering questions that we had since it is our first 3PL. Would highly recommend any brands to work with Atomix

Vincent H.

Founder at Whereafter

Atomix has taken the time to address every question, accommodate requests, and work through every concern. I highly recommend their service.

Kylie P.

Supply Chain Manager at BluMaan

Built on Relationships, Grown by Results

We’re not backed by venture capital. We’re backed by brands. Atomix has grown solely through strong relationships, earned trust, and results that keep clients with us year after year. When you grow, we grow.

Grow Faster through

Strategic Partnership

We treat every brand like a long-term partner, not a transaction

Proactive support and strategic input at every stage

Your dedicated Pod knows your business inside and out

DTC fufillment

Unlock Value with

Flexible Pricing

Flexible, usage-based pricing that scales with you

Transparent, line-item billing with no hidden fees

Adjust services and volume as your needs evolve

Learn about Pricing

Boost Confidence with

Proven Success

100% founder-built, brand-backed, and profitably scaling

The only way we grow is by doing a great job

We've worked hard to earn our clients continued trust

Case studies

Gain Real-Time Visibility and Control of
Your Operations with The Atomix App

Our cutting-edge, cloud-based WMS offers you full operational control with an intuitive, user-friendly interface and real-time data to support better decision-making.

4 in 1 software platform

Atomix App

Seamlessly integrate with nearly all major online stores and sales channels within minutes.

Effectively manage your inventory, orders, shipments, and returns and easily export your data all from one dashboard.

Easy-to-use interface packed with data-driven insights.

Intentionally designed by ecommerce professionals, for ecommerce professionals.

Discover the Atomix App

Gain Peace of Mind

The Atomix Difference

Zero shrinkage allowance

99% inventory accuracy

99% order accuracy

Average dock-to-stock time of 48 hours or less

CX response time average of 20 minutes or less

Built to handle high order volumes without disruption

Quarterly inventory audits and cycle counting

Quarterly payout for any missing inventory

Explore our service guarantees

From First Call to Live Fulfillment — Fast

Our onboarding process is built for speed, accuracy, and zero friction. With a dedicated specialist guiding every step, you'll be fully set up and shipping in no time — typically in under two weeks.

Align on the Vision

Book a meeting to discuss your unique fulfillment needs

Receive a tailored quote with a custom plan to support your goals

Meet your Atomix Onboarding Specialist and get a personal Slack channel

Plug In and Prep

Connect all your online channels in minutes to the Atomix App

Import your SKUs and send your inventory to Atomix

Approve the Atomix-created fulfillment SOPs tailored to your brand

Launch with Confidence

Select your packaging preferences for your customer unboxing experience

Set up your shipping rules and requirements

We'll set up your Pod and begin fulfilling orders as soon as your inventory arrives

Let's gets started

Trusted by Brands that Scale Smarter

Health & Wellness

“Through the Atomix app, we're able to customize orders if needed. Whether it's putting an order on hold or canceling, we really appreciate the transparency.”

Taylor Borenstein

Co-founder,
Stakt

See case study

Food & Beverage

“The Atomix team has been a valuable partner in our growth. They operate as an extension of our team with quick response times and a problem-solving mindset.”

Zach Ranen

Co-founder & President,
David Protein

See case study

Food & Beverage

“By using the Atomix App, we're able to create custom shipping rules that ensure our chocolates reach their destinations in 2 days!”

Charlotte Cruze

Co-founder,
Alice Mushrooms

See case study

Luxury Goods

“The team at Atomix is incredibly responsive and proactive in solving any issues that arise. Their problem-solving capabilities are top-notch.”

Jenny Lei

Founder & Designer,
Freja

See case study

Ready to scale smarter
and streamline your operations?

Boost your growth and scalability with Atomix’s flexible fulfillment options. Book a free
meeting with an industry expert to get started on a tailored solution today.

Book your time

Learn More From Our Resources

DTC

read the blog

How to Build Operational Resilience and Flexibility in 2026

Learn how