Sell Everywhere. Run It From One Place.
We build and maintain Shopify stores with the custom functionality that lifts conversion, and we run your Amazon, Walmart, eBay, Mercado Libre, and Faire channels alongside them — with the accounting, inventory, and ad spend behind all of it in a single hub.
Build the Store. Run the Channels.
Most agencies do one or the other. Doing both is what lets us keep pricing, inventory, and margin consistent everywhere you sell.
Shopify Builds & Maintenance
We design, build, and keep running Shopify and Shopify Plus storefronts — then extend them with the custom functionality your catalog and pricing actually require. Faster pages, clearer product detail, and checkout logic that fits how you sell all move the same number: conversion rate.
Maintenance is part of the work, not an afterthought. Themes drift, apps break on updates, and speed decays as the catalog grows.
Marketplace Management
We manage Amazon, Walmart, eBay, Mercado Libre, and Faire as ongoing operations — listings, pricing, inventory allocation, advertising, seller metrics, and the case work that keeps accounts healthy.
Each channel has its own rules, taxonomy, and failure modes. We treat them as distinct storefronts fed by one catalog, rather than pretending a single feed fits all of them.
The Stack We Work In, and What We Do With It
Not a logo wall. Here is each platform we operate in and three concrete things we use it for.
Shopify & Shopify Plus
- Custom Liquid themes and headless builds tuned for Core Web Vitals — slow product pages cost conversions before a shopper ever sees the price.
- Checkout extensions and Shopify Functions for volume tiers, B2B pricing, and shipping rules that off-the-shelf apps can't express.
- Subscriptions, bundles, and pre-orders built into the theme instead of stacked as five separate paid apps.
Amazon Seller & Vendor Central
- Catalog hygiene at scale — bulk flat-file updates, variation and parentage fixes, and A+ content that actually renders.
- FBA restock planning against IPI limits and seasonal demand, so you stop paying storage fees on the wrong SKUs.
- Sponsored Products and Sponsored Brands managed to an ACoS target, with Buy Box and suppression monitoring.
Walmart Marketplace
- Item setup mapped from your master catalog so specs match Walmart's taxonomy instead of being retyped by hand.
- Repricing rules that chase the Buy Box without quietly eroding your margin floor.
- WFS shipment planning and fulfillment routing that works alongside your own warehouse.
eBay
- Bulk listing and revision through the API rather than one listing at a time.
- Item specifics and store categories tuned for how eBay's search actually ranks results.
- Promoted Listings, returns, and case workflows handled as routine operations, not fire drills.
Mercado Libre
- Listing setup and localization across MX, BR, AR, CL, and CO — each site priced and worded for its own market.
- Mercado Envíos Full inventory planning so your fastest-moving SKUs stay in the right fulfillment centers.
- Mercado Ads campaigns plus reputation and seller-metric management, which gate your visibility.
Faire & Wholesale
- Wholesale catalogs with case packs, minimum orders, and tiered pricing that match how you actually sell.
- Brand portal operations — lead times, insert orders, and onboarding new stockists.
- Wholesale orders drawing from the same inventory pool as retail, so you never oversell a channel.
Klaviyo & Lifecycle Messaging
- Abandoned cart, browse abandonment, post-purchase, and winback flows that run without anyone touching them.
- Segments built on real order and product history, not just who opened an email.
- Email and SMS revenue attributed per flow, so you know which messages earn their keep.
Stripe & Payments
- Payment routing and fraud rules tuned to your risk profile rather than a vendor default.
- Subscription billing with dunning and failed-payment recovery, which is usually the cheapest revenue you'll find.
- Payout reconciliation that matches deposits to orders and processor fees automatically.
Shipping & 3PL
- Rate shopping and label automation across FedEx, UPS, USPS, and DHL.
- Multi-warehouse and 3PL routing that picks the cheapest path still hitting the delivery promise.
- Returns and RMA labels wired into the same order record your team already works from.
Google, Meta & Amazon Ads
- Product feed management in Merchant Center, including feed rules that fix bad data at the source.
- Catalog and dynamic product ads driven off that same feed, so creative never drifts from inventory.
- Blended ROAS and MER reported across channels, instead of letting each platform grade its own homework.
Stop Paying Six Vendors to Tell You Six Different Numbers
Every channel above produces orders, inventory movements, fees, and ad spend. The usual answer is a separate subscription for each problem — and a monthly reconciliation to work out which tool is telling the truth. Your Business Hub does it in one place, on data you own.
Accounting, Reconciled
Full double-entry books with marketplace payouts, referral fees, FBA charges, and processor fees matched to the orders that caused them. Month-end stops being a spreadsheet archaeology project.
One Inventory Pool
A single stock position across Shopify, every marketplace, and wholesale. Sell a unit on Amazon and the eBay listing decrements too — no oversells, no manual buffers eating your availability.
Ad Spend Next to Margin
Spend and ROAS from Google, Meta, and Amazon shown against real contribution margin per SKU — landed cost, fees, and shipping included. You see which winners are actually losing money.
Every Order, One Queue
Orders from all channels land in the same place with the same fulfillment rules, the same customer record, and the same support history.
One Subscription Instead of Six
Consolidating isn't only a software line-item saving, though that is usually the first thing clients notice. It removes the integration surface between tools — the sync failures, the duplicated SKUs, the numbers that disagree across dashboards — which is where most of the real cost hides.
Your team learns one system. New staff onboard once. And the data stays yours.
Typically Replaces
Core platforms we operate in
Marketplaces managed end to end
Mercado Libre countries covered
Hub behind all of it
Every successful engagement follows a proven five-step system
- Step 1
Discovery Call
Understand needs and diagnose infrastructure gaps.
- Step 2
Team Alignment
Define project scope and assemble cross-functional teams.
- Step 3
Solution Proposal
Develop a strategy roadmap and detailed quote.
- Step 4
Kickoff Call
Set expectations, timelines, and deliverables.
- Step 5
Partner w/ Infraxio
Implement and grow together!
Ready to elevate your infrastructure
or drive growth for your business?
Get in touch with us today and discover how Infraxio can transform your operations.