Full-service marketplace management

$18M+ generated

for 120+ stores across eBay · Amazon · Walmart · Poshmark · Whatnot

We run your stores. You watch them grow. Sourcing, listings, orders, shipping and scaling, handled end to end by operators who do this all day.

★★★★★4.9 / 5 client rating · 98% account health kept

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Our software

We don't just run stores. We build the tools.

Listing automation, inventory, profit tracking, payroll and bespoke systems, built in-house and used daily on the stores we manage.

Explore the portfolio

Why we exist

Your store deserves an operator, not another to-do list.

Who we are

An agency that runs marketplaces end to end.

Ecom Spectrum manages e-commerce accounts across eBay, Amazon, Walmart, Poshmark and Whatnot. We find the products, write the listings, win the sale, ship the box and grow the account while you keep ownership and watch the payouts.

A network of parcels connected by golden light

What we do

Six services. Zero loose ends.

Account Management

Daily operations, case handling, customer messages and account-health monitoring. Your store is never unattended.

Product Sourcing

Winning products from vetted suppliers, chosen on real demand data and margin math, not guesswork.

Listing Optimization

Search-first titles, conversion-tested images and pricing strategy that puts listings on page one and keeps them there.

Order Fulfillment

Pick, pack, ship, track. Fast dispatch, clean metrics, and returns handled before they become problems.

Account Scaling

Ads, promotions, cross-listing and inventory depth. A growth plan that compounds month over month.

Audits & Reinstatement

Underperforming or suspended? We audit, fix the root cause and bring accounts back to good standing.

Marketplace 01 / 05

ebay

Where marketplace selling began, and where we run stores that outrank, outship and outsell.

Store setup & branding Cassini search optimization Promoted Listings Defect & case management
amazon

The everything store, run with FBA discipline and spotless account health.

FBA & FBM operations PPC campaign management Buy Box strategy Account health & compliance
Walmart ✱

America's fastest-growing marketplace. We get you approved, ranked and fulfilled.

Seller onboarding Listing Quality Score Walmart Fulfillment Services Competitive pricing
Poshmark

Fashion resale that rewards consistency. We share, relist and close offers daily.

Closet management Automated sharing & offers Trend-based sourcing Bundles that convert
Whatnot

Live selling at auction speed. We plan and run shows that sell out.

Show planning & hosting Auction pacing Community growth Same-day dispatch

How it works

From handshake to hands-off.

01

Onboard

We audit your account, or open a new one, and agree the growth plan.

02

Source

Products picked on demand data, sourced from vetted suppliers.

03

Launch

Optimized listings go live across your marketplaces.

04

Fulfill

Orders shipped fast, buyers answered, metrics kept green.

05

Scale

Profits reinvested, catalog expanded, payouts growing.

Fulfillment

Boxes out the door. Metrics in the green.

Late shipments kill accounts. Our fulfillment keeps dispatch times tight, tracking uploaded on time and defect rates far below marketplace thresholds. It is the quiet work that keeps a store scalable.

Dark premium fulfillment warehouse with golden lighting
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Stores managed
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Client sales driven
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Account health kept
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Store monitoring

Client voices

They stopped worrying. Then they grew.

★★★★★
"They took my eBay store from three thousand a month to forty. I didn't touch a single listing."
Wholesale client, Texas
★★★★★
"I handed over my Amazon account and stopped logging in. The payouts kept getting bigger."
FBA seller, London
★★★★★
"Suspended for three weeks before I found them. Reinstated in four days, selling again the same week."
Walmart seller, Dubai

The journey

One parcel. Watched all the way.

Scroll to follow an order from supplier to doorstep.

01Sourced
02Packed
03Shipped
04Delivered

Your store could be scaling by next month.

Book a free 30-minute audit. We'll look at your account, or your idea, and show you exactly what we'd do with it.

Book a free audit