Services · Ecommerce development · Inventory management subscription sites
Codeeo provides inventory management subscription website development USA software companies rely on to sell plans, collect recurring payments and manage customer accounts across all fifty states. We build the pricing site, checkout, billing engine, tax setup and self-serve portal, then connect them to your product so a customer in Ohio and a customer in Oregon each get the right limits, the right invoice and the right sales tax. Selling software nationally means fifty sets of tax and privacy rules, and the platform has to carry that weight quietly.
This page covers the national picture: state tax on software after Wayfair, the growing patchwork of state privacy laws, federal rules on recurring charges, card security and accessibility, and how billing scales as you add customers coast to coast. Each part is scoped to your stage.
200+ companies across the US and the UAEFrom a first store to a listed developer
What we build
An inventory product sold across the country meets every kind of buyer: a hardware store chain in the Midwest, a cannabis dispensary group operating under state licenses, an auto parts distributor in the Southeast, a food manufacturer on the West Coast. Each has different expectations about how they pay and different tax treatment depending on where they use the software.
The capabilities below are organized around that national scale. Some handle the buyer's experience, such as plan pages and self-serve changes. Others work in the background: tax by jurisdiction, exemption certificates, consent records, failed payment recovery and revenue data for finance. All of them read from one plan catalog in your billing provider, and your application enforces plan limits through an entitlement service we build, so changing a price or a limit is a configuration change rather than a code release.
Since the Supreme Court's Wayfair decision in 2018, states can require remote sellers to collect sales tax once they pass economic nexus thresholds, and states disagree about whether SaaS is taxable at all. We integrate a tax engine such as Avalara, Stripe Tax or Anrok that applies each state's treatment and tracks your exposure as sales grow.
Tax collected where required and nowhere else.
Resellers, nonprofits, schools and government buyers often claim exemption. Customers upload certificates in the portal, the tax engine validates and stores them, and invoices reflect the exemption automatically. Expiring certificates trigger reminders before tax is charged again. Your finance team can review every certificate on file from one screen during an audit.
Exempt customers stop disputing tax lines.
Tax depends on where the software is used, so we validate service addresses during signup and let customers with many sites allocate usage by location. Accurate addresses also cut card declines caused by mismatched billing details. Addresses can be updated by the customer, with tax recalculated from the next invoice.
Fewer tax errors and fewer avoidable declines.
A single-store starter plan, mid-market plans priced by locations or order volume, and enterprise contracts with custom terms, all in one catalog. The public pricing page shows the self-serve tiers clearly and routes larger buyers to a sales conversation. Limits are enforced in the product, so plan names on the website always mean the same thing inside the software.
One price list serving small shops and national chains.
Monthly and annual billing, mid-term upgrades with prorated charges, scheduled downgrades, usage overages and co-terming so a customer adding locations through the year gets one renewal date rather than many. Rules for credits on downgrades are set once in the catalog, so support staff never calculate refunds by hand, and invoices explain each prorated line in words a buyer can follow.
Clean renewals even for accounts that change often.
Card payments through hosted fields keep most card handling with the payment provider and reduce your PCI DSS scope. ACH debit under Nacha rules suits larger recurring amounts, and Apple Pay and Google Pay speed up checkout for small buyers. Invoice payment on net terms is available for accounts your team approves.
Lower processing friction across customer sizes.
The Restore Online Shoppers' Confidence Act requires clear disclosure of terms, express informed consent before charging and a simple way to stop recurring charges. The FTC's 2024 click-to-cancel amendments were vacated by a federal appeals court in 2025, but ROSCA enforcement and state renewal laws remain, so we build disclosure, consent records and online cancellation into every plan.
Recurring charges you can defend to the FTC and to states.
Smart retries, card updater services, timed reminder emails and in-product notices for account admins. Access is reduced in stages you choose, so a distribution center does not lose its pick lists in the middle of a shipping day because a card expired. Recovery rates per step are reported, so timing can be tuned with real data.
Revenue kept without harming customer operations.
National software often sells through ERP consultants, POS resellers and franchise systems. We add partner-tagged signups, commission reports on collected revenue, and reseller accounts that manage and pay for several customer workspaces under one bill. Partners get a simple portal showing their customers, invoices and commission statements, which cuts the monthly email back and forth.
Channel revenue measured from real payments.
Recurring revenue, churn, expansion by state and segment, deferred revenue inputs and collections, synced to NetSuite, QuickBooks or Business Central and to the reporting tool your leadership uses. Definitions for churn and expansion are agreed with finance before reports are built, so everyone counts the same way.
Board-ready numbers from the billing source itself.
Who this is for
Inventory software companies in the United States sell to an economy built on physical goods moving between manufacturers, distributors, warehouses and stores, and the buyers are spread across thousands of tax jurisdictions. Most companies that need inventory management SaaS website development USA wide arrive in one of the following situations, and the scope follows the situation rather than a fixed package. Many companies sit in two of these at once, and we sequence the work so the most expensive problem is fixed first.
Sales grew quietly in states where you never registered, and now an adviser has found tax exposure. We connect a tax engine to billing, configure the states where you register, build exemption handling and update invoice templates, so future invoices are correct while your adviser handles registrations and any voluntary disclosures. Exemption certificates for resellers and nonprofits are collected from existing customers through the portal, and new invoices start showing tax only where your adviser confirms registration. Customers get a short notice before the first taxed invoice so the change does not arrive as a surprise.
We build the system; tax advisers handle filings.
Every deal so far has been signed by a rep. You want small businesses anywhere in the country to buy online. We design public pricing, self-serve checkout, automated onboarding into your product and limits that guide growing customers toward a sales conversation at the right moment. We also add analytics on each pricing and signup step, so you learn which plans small buyers choose, where they stop, and which questions they ask before paying. That data shapes the next round of pricing far better than guesswork.
Self-serve and sales can share one catalog.
Customers such as dispensaries, pharmacies or alcohol distributors operate under state licenses and ask how you handle their data. We add role-based access, audit logs on account and billing changes, careful data minimization and clear privacy notices, and we note where state privacy laws such as the CCPA, TDPSA or Virginia's VCDPA may apply to your own business. Where a customer's regulator asks for records, admins can export billing and access history without opening a support ticket. Data retention periods are set per record type.
Your buyers' regulators shape what they ask of you.
Two inventory products, two billing systems and overlapping customers. We design a combined catalog, migrate subscriptions with their real renewal dates, merge customer records carefully and run both systems in parallel until finance is satisfied that totals match. Customers receive one clear notice about the change, and their new invoices show a familiar plan name so accounts payable recognizes them. Reporting then covers both former products together, which simplifies board reporting from the first month after cutover. Duplicate customers are merged only after review.
Parallel running avoids double charges during cutover.
How we work
Codeeo works with US clients remotely, with discovery, design reviews and acceptance testing run over video calls and shared documents. Our team of 80+ is based in Dubai, Riyadh and Karachi, has delivered 200+ projects across the UAE and the US, and is rated 4.7 from 23 Google reviews. For inventory management subscription platform development USA companies trust with their revenue, we involve finance from the first week, because tax, revenue reporting and collections decisions are made long before launch day.
A defined build with a deadline
We agree what the product has to do, write it down with a price and a date, and build exactly that. Changes are priced before they are made, not discovered on the invoice.
A product that keeps evolving
Named engineers who work your hours, join your standups and stay on the codebase. You direct the backlog; we own the quality of what ships.
Something live that needs looking after
A monthly block of hours for improvements, fixes and the small requests that otherwise wait months. Unused hours carry for a quarter.
Technology
Typical builds use Next.js or React for the site and portal, Stripe Billing, Chargebee, Recurly or Maxio for subscriptions, Avalara, Stripe Tax or Anrok for tax, and Node or Laravel services for entitlements and webhooks, with sync to NetSuite, QuickBooks or Business Central.
01Web
02Commerce
03Data and cloud
04Marketing and tracking
National billing has to handle tax, consent and contract rules that vary by state.
A checkout takes a payment once. A subscription platform must renew correctly for years, prorate changes, apply the right tax in each jurisdiction, store exemption certificates, keep consent records, recover failed payments and report recurring revenue. It also has to tell your inventory product what each customer may use. Those layers are what we design and build, alongside the pages buyers actually see. Getting these layers right early is far cheaper than repairing invoices and tax records after a year of sales.
Schedule a free consultation and get a written recommendation, with costs, before you commit to anything.
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