ecommerce & retail 3pl

Order Fulfillment for High-Growth Brands

Atomix is a high-touch 3PL for fast-growing DTC, B2B, and Amazon brands. A dedicated team picks, packs, and ships your orders on our proprietary software — backed by four guarantees we put in writing.

Move to Baltimore, on us — free receiving, $0 transition & freight, 60 days free storage.·Ends Oct 1
Brands we've helped scale
INTRODUCING ATOMIX

Fulfillment that scales with your brand

Atomix is a third-party logistics (3PL) partner that stores your inventory and fulfills your DTC, B2B/retail, and Amazon orders from three US warehouses — with a dedicated Pod team and our proprietary order fulfillment software.

Channels
Products
Locations
Integrations
CHANNELS

One partner for every sales channel

Sell everywhere your customers are and fulfill it all from one inventory pool — no separate 3PLs, no split stock.

One inventory pool · one source of truth
DTC ecommerce
High-volume pick, pack & ship from your online store.
Explore DTC
B2B / Retail (EDI)
Routing-guide compliant, chargeback-protected.
Explore B2B & retail
Amazon FBA & FBM
FBA prep and labeling, plus direct FBM.
Explore Amazon
Subscription & kitting
Recurring boxes, bundles, and custom kits.
Explore subscriptions
BEST FOR

Built for fast-growing CPG brands

We specialize in high-velocity consumer brands shipping small, fast-moving products — where speed, accuracy, and careful handling matter most.

THE SWEET SPOT
Items under 5 lbs
Smaller than a basketball
Fast-moving DTC, B2B & Amazon
LOCATIONS

Three warehouses, nationwide reach

Strategically placed to cut shipping zones, lower cost per order, and speed up delivery — most US orders arrive in two days or less.

~80%
of the US reached in 2 days or less
From three strategically placed warehouses.
Milwaukee, WI
Flagship & HQ. Temperature-controlled storage available.
Explore this facility
Salt Lake City, UT
West-region hub extending fast, low-cost 2-day coverage.
Explore this facility
Baltimore, MD
East-coast hub extending fast, low-cost 2-day coverage.
Explore this facility
INTEGRATIONS

Connect your entire stack

Sync your store, marketplaces, carriers, and finance tools to the Atomix App so every team works from one source of truth.

100+ integrations
Browse all integrations
Storefronts
Connect your online store so orders flow in automatically.
ShopifyWooCommerceBigCommerceWix
Marketplaces
Sell across every major marketplace from one hub.
AmazonWalmartTikTok ShopEtsy
Shipping & carriers
Compare rates and print labels across every carrier.
ShipStationUSPSFedExUPS
Finance & ERP
Keep finance and operations perfectly in sync.
NetSuiteQuickBooksXero
THE ATOMIX GUARANTEES

Four guarantees no other 3PL will put in writing.

Most 3PLs treat their mistakes as your problem. We don't — when we miss, you're paid back automatically in fulfillment credit. No claim forms, no fight.

In writing
No claim forms
Paid automatically as credits
100%
Order Accuracy
Every order ships complete and correct.
IF WE MISS
Full order value credited + a free reship.
100%
On-Time Shipping
Order in by the local cutoff ships the same business day.
IF WE MISS
$5 per order, per day late.
100%
Billing Accuracy
Invoices accurate to the line item.
IF WE MISS
$25 credit per incorrect line item.
100%
Inventory Accuracy
Your stock protected to the unit in our care.
IF WE MISS
Full documented cost credited.
PROVEN PERFORMANCE

Performance in the numbers, protection in the guarantees

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 team member working at a fulfillment Pod workstation
≥ 99.7%
Fulfillment Accuracy
Backed to 100% — full order credited
≥ 98.9%
On-Time Fulfillment
Backed to 100% — $5 / order, per day late
< 0.5%
Shrinkage
Backed to 100% — full cost credited
≤ 48 hrs
Avg. Dock-to-Stock
Operational benchmark
Aggregate client performance, 2024–2025 (historical).
THE ATOMIX DIFFERENCE

Most brands are stuck choosing between two bad options.

A VC-backed platform with slick software and weak ops — or a mom-and-pop that's friendly but stretched thin. Atomix is the third option.

Atomix
Dedicated Pod model
VC-backed 3PL
Platform-first network
Mom-and-pop 3PL
Single-facility operator
Who touches your orders
Your own Pod — the same team every day, with an on-site Pod Manager
Rotating support reps behind a ticket queue — reviews cite 48+ hour response times
One small team wearing every hat — personal, but capacity-limited
Accuracy controls
2-step scan verification + video-recorded packout on every order
Varies by facility and service tier
Often partly manual; manual processes typically run 85–95% inventory accuracy
Software
Proprietary WMS we build — fixes ship fast, the buck stops with us
Strong platform UI, but ops quality varies facility to facility
Basic or third-party WMS, often supplemented by spreadsheets and email
Accountability
Four guarantees in writing, paid automatically as credits
Published stats, but no contractual remedy when they miss
Best-effort; credits negotiated case by case
Pricing
Transparent line-item pricing that stays stable as you scale
Low headline rate, then shipping markups and surcharges on the invoice
Simple rates, but little carrier leverage — effective cost climbs as you grow
Dock-to-stock
≤ 48 hours average — inventory sellable in ~2 days
Varies by node and inventory placement
Often several days, especially through peak
Scope
DTC + B2B/retail (EDI) + Amazon, built for complexity
Standardized DTC workflows; complexity costs extra
Limited EDI and retail-compliance capability
Ownership & scale
Clear operational ownership; dedicated capacity as you grow
Shared ownership across network teams; exits reported as slow
Single facility — capacity caps out at mid-volume
CLIENT-CENTERED. GROWTH FOCUSED.

Your growth is our mission

Founded in 2020, Atomix is a trusted 3PL partner that helps ecommerce brands turn ordinary and complex fulfillment into tailored, scalable growth engines.

THE ATOMIX APP · OUR PROPRIETARY WMS

Your fulfillment command center

Most 3PLs rent their software. We build ours — so improvements ship fast and the buck stops with us. Real-time visibility and total control over every order, SKU, and receiving, powered by the same system that runs the Atomix warehouse.

100+Integrations
24/7Monitoring
UnlimitedTeam access
Atomix App screenshot
Accuracy that retains trust
2-step scan verification and video-recorded packout on every order, with SKU mismatches flagged automatically.
Customers see what you see
Status, tracking, and delivery updates sync instantly to Shopify, Amazon, and Faire — cutting “where is my order?” tickets.
Problems caught before customers notice
A Needs Review queue flags address errors, stockouts, SKU mismatches, and international blocks.
One source of truth for inventory
On-hand, allocated, and sellable units at a glance, with SKU deep dives, inbound tracking, and lot control.
Transparent, line-item billing
Every invoice broken down per order — picks, packaging, inserts, carrier rates and surcharges. Export to CSV anytime.
Automation rules that scale
Set routing, packing, and hold logic once — dynamic shipping speeds, inserts, and exceptions run themselves.
SERVICES & ADD-ONS

However your brand ships,
we've built the workflow for it

Add any of these to your Pod — same team, same software, one invoice. No new vendors, no separate systems.

Book a meeting
Kitting & assembly
Not a side task — a repeatable workflow we build, document, and run with scan points at every step.
Subscription builds, bundles & seasonal packs
Component SKUs deducted accurately
Unit price per kit set upfront
Learn more
Subscription boxes
Batch fulfillment built around your ship window, with QC on every box before it leaves.
Monthly & bi-monthly batch runs
Consultative program setup
Learn more
Order customizations
Inserts, gift notes, and custom packaging — triggered automatically by rules you set.
Learn more
Returns processing
A predictable system, not a black hole. Inspected, categorized, and back in stock fast.
Restock, refurbish, donate or hold
Learn more
Lot tracking
FIFO and FEFO enforced automatically, so expired product never ships.
Instant recall isolation
Separate DTC & B2B lots
Learn more
Special projects
Product drops, pop-up builds, influencer and PR shipments — handled fast, without breaking core operations.
Documented steps and clear ownership
Quote to completion tracked in the app
Learn more
Cold & temp-controlled storage
Temperature-sensitive product stored and picked with care — available in Milwaukee.
Learn more
ALSO INCLUDED2-day shipping · Freight booking (domestic & international) · Amazon FBA prep & FBM · B2B / retail EDI compliance · Dedicated Pod team · Barcode scan verification
Proud to be recognized on the 2025 Inc. 5000 list of America's fastest-growing companies.
#9 Overall
#1 in Logistics & Transportation
#1 in Wisconsin
CLIENT SUPPORT & ACCOUNT MANAGEMENT

Your Pod Manager sits 30 feet from your inventory

Every account manager works on-site at the warehouse that ships your orders — not a remote call center, not a ticket queue. When something needs an answer, they walk to the floor and get it.

On-site at every warehouse
All Pod Managers work in the building your product ships from — about 30 feet from the fulfillment floor.
A direct line, not a ticket queue
Message your Pod Manager directly through Intercom inside the Atomix App.
The same person, every day
Your Pod Manager knows your SKUs, your rules, and your peak season — no rotating reps.
Dedicated Slack channel
Optional upgrade: a shared Slack channel with your Pod team for $200/mo.
WRITTEN INTO OUR SLA
Support standards we're contractually held to
≤ 20 min
Average response time
Historical
3 business days
Inquiry resolution
SLA target
≥ 80%
First-contact resolution
SLA target
1 business day
Escalation response
SLA target
IN THEIR WORDS

Brands don't stay for the rates.
They stay for the team.

Founders and operators on what it's actually like to work with Atomix day to day.

★ ★ ★ ★ ★

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 at BluMaan
ONBOARDING & MIGRATION

Live in under two weeks —
without dropping a single order

One dedicated onboarding specialist runs the entire move. Your integrations are rebuilt, your rules are documented, and inventory is staged in phases — so fulfillment never pauses. Nothing ships from us until you give the word.

≤ 14 daysaverage go-live
0paused fulfillment days
1dedicated specialist
01Days 1–2
Meet
Meet your onboarding specialist, confirm workflows and requirements, and set a go-live date.
02Days 2–5
Integrate
Connect your stores and marketplaces, request retail EDI, and validate every integration early.
03Days 5–9
Customize
Document packaging, returns, and shipping rules — then run real test orders to prove accuracy.
04Launch day
Ship
Inventory staged in phases and you give the go-ahead. Live on DTC, B2B, and Amazon.
A dedicated onboarding specialist
One person owns the entire move from kickoff to launch — then hands off cleanly to your Pod Manager.
A dedicated Slack channel
Direct line to your specialist in a shared channel, so questions get answered in minutes, not days.
As many meetings as you need
Unlimited working sessions and Atomix App trainings for your whole team — no cap, no extra charge.
Two tracks: Fast-Track for urgent moves (live in under 2 weeks) · Standard for complex, multi-node or EDI setups. Testing is never skipped.
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
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
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
FAQ

Frequently asked questions

The things brands ask us most, answered straight.

What is Atomix?
Atomix is a high-touch 3PL that stores inventory and fulfills DTC, B2B/retail, and Amazon orders for fast-growing brands, with a dedicated Pod team and its own warehouse software.
What brands and products is Atomix best for?
Fast-growing CPG brands — snacks and food, health & wellness, apparel, and cosmetics/skin care — typically with products under about 5 lbs.
Where are your fulfillment centers?
Milwaukee (WI), Salt Lake City (UT), and Baltimore (MD) — reaching ~80% of the US in 2 days. Temperature-controlled storage is available in Milwaukee.
What sales channels do you fulfill?
DTC ecommerce, B2B/retail with EDI compliance, Amazon FBA prep and FBM, and subscription boxes.
How fast do orders ship?
Orders placed by the local cutoff — 12 PM for express, 1 PM for ground/economy (warehouse-local time) — ship the same business day.
How accurate and on-time are you?
We guarantee 100% and back it in writing; historically we run ≥99.7% order accuracy and ≥98.9% on-time.
What are the Atomix guarantees?
Four written guarantees — order accuracy, on-time shipping, billing accuracy, and inventory accuracy — paid back automatically as credits when we miss.
How does pricing work?
Transparent, line-item pricing tied to the work performed, with invoices you can review and download in the Atomix App.
How long does onboarding take?
Most brands are live in under two weeks; one dedicated partner manages the migration so fulfillment never pauses.
What integrations do you support?
100+, including Shopify, Amazon, WooCommerce, NetSuite, ShipStation, USPS, and FedEx.
Do you handle returns?
Yes, returns run on a custom SOP with real-time status in the App and SKU/lot-level records.
Do you handle retail/EDI compliance?
Yes, we already ship to Target, Walmart, and Costco, with EDI and compliance run on RetailReady and a <1% chargeback rate.
Is there a contract?
Atomix partnerships run on a 12-month term, with a dedicated Pod reserved for your brand.
Still have questions?
Talk to a fulfillment expert — we'll walk through your setup and what switching would actually look like.
Book a meeting
Backed by four written guarantees

Ready to scale smarter?

Book a 30-minute call. We'll walk through your setup, show where fulfillment is costing you growth, and exactly how Atomix would fix it.

Book a meeting
No obligation · Live in under two weeks