We build ERP systems that run inventory, orders, purchasing, production, shipping and invoicing in one place, with QuickBooks kept in sync both ways. Built for small and mid-size companies that have outgrown spreadsheets but not their way of working.
A packaged ERP is the right answer for many companies. We do not sell licenses, so we can say that plainly. Here is how we help clients decide.
You get a mature product with many ready modules and a large partner market. Expect license fees per user, an implementation project and some workarounds where your process differs.
Only the modules you need, modeled on your units, documents and approvals. QuickBooks keeps the accounting, the ERP runs operations, and the two sync in both directions.
A focused platform that pulls orders, stock and fees from the channels, routes work to production and shows margin per product. It can grow into a full ERP later.
We build the ones you need and leave out the rest. Each module below links to a project where it runs today. Manufacturing accounts for 15% of our client work on Clutch.
Raw materials, blanks and finished goods in one list, with live levels, reorder signals and quantities that convert between units correctly.
Every order has one status that sales, the warehouse and finance all see. No more asking around to find out where a shipment stands.
Each purchase order is linked to its vendor, so procurement can see what was ordered, received and billed without matching sheets by hand.
Production orders that consume raw materials and produce goods. For made-to-order work, each incoming order becomes a job on the right line.
Outgoing and incoming goods with checks that stop mistakes before they reach a customer or an invoice.
Invoices that match the books, Excel and PDF reports that finance can sign off, and a profit view that counts every real cost.
Peregrine Ship runs a dropshipping and fulfillment platform for high-volume e-commerce from Hong Kong. Between June 2024 and July 2025, a team of two to five OSKI engineers worked on its backend for orders, inventory and fulfillment, the internal admin dashboard and its logistics integrations.
“They maintained reliability without needing constant oversight, which made the collaboration efficient.”
Your accountant keeps working in QuickBooks. Operations work in the ERP. A two-way sync makes sure both show the same numbers, so nobody reconciles invoices by hand at month end.
Results from a custom ERP for an inventory and order-driven business, built on .NET 8, React and MySQL.
Aspect, a print workshop in Zhytomyr, sells personalized mugs, shirts and canvas prints on Amazon in the US, UK and EU. Revenue was easy to see. Real margin was not.
We connected the business to 7 Amazon marketplaces through SP-API. Orders and stock sync every 15 minutes. Personalized orders become print jobs, artwork under 300 dpi is held back, and a profit view deducts marketplace fees, delivery, ads, reprints, blanks and ink from every sale.
of Amazon Custom orders reached the print queue with no human step, measured in the demo scenario. Read the case
The hard part of a new ERP is rarely the code. It is the item list with three spellings of the same product, the vendor saved twice and the open orders that must not get lost. We plan the data move as carefully as the software.
records moved out of a legacy CRM into the new Auto.co.il platform. Read the case
We follow an order from quote to invoice with the people who handle it. Every spreadsheet, copy-paste and workaround goes on the list.
Together we pick the modules for phase one and the data each one owns. Accounting rules are agreed with whoever runs QuickBooks.
Items, units, vendors, customers and open orders are cleaned and mapped to the new model. Duplicates and dead records are settled with you, not guessed.
Short sprints with demos on real data. The migration runs on a copy several times, and totals are compared with QuickBooks and your old sheets.
Cutover on a quiet day, with the team on call. After that, new modules and change requests ship without breaking what runs.
Custom ERPs, marketplace operations, fulfillment platforms and internal systems for manufacturing, e-commerce, logistics and transport.
A custom ERP that brings inventory, order processing, purchasing and reporting together and keeps vendor data in sync with QuickBooks.
An internal ERP that replaced separate tools for inventory, purchasing, shipping and reporting, with a two-way QuickBooks sync the finance team can rely on.
A platform that pulls orders from 7 Amazon marketplaces, turns personalized orders into print jobs and shows the real margin on every product.
A sourcing step that buys from 1688 suppliers for each order, tracks the shipment and bills clients only when each stage is complete.
An internal platform for inspections, toolboxes and transport planning, upgraded from Umbraco 8 to Umbraco 17 on .NET 10 with daily workflows intact.
Faster, safer bulk imports to WooCommerce for ProdUp, plus a data quality dashboard and multi-language product editing.
Quotes from verified Clutch reviews of our custom software projects.
They were listening about our needs and offering different solutions.
Their communication skills, speed of development, and cost were incredible.
This is a team of engineers who obviously like what they are doing.
NetSuite integrates through REST or SOAP web services, RESTlets, SuiteScript, CSV import, marketplace connectors and iPaaS. We compare them by fit, limits and price, list where syncs break and show what a custom integration costs.
Shopify connects to NetSuite through Oracle's NetSuite Connector, Celigo's integration app, other apps or a custom build. We compare what each syncs and costs, list the failure points (variants, tax, discounts, refunds, payouts) and price a custom build.
The best ERP for retail and fashion brands handles size and color matrices, one stock pool across stores, web and wholesale, and clean sync with your POS and marketplaces. We compare seven options by data model, integrations and price.
Anything missing? Send us your question and an engineer will answer, usually within one business day.
Contact usIf your processes are close to standard and you want many modules quickly, a packaged ERP is often the better choice, and we will tell you so. Custom makes sense when your units, documents or order flow do not fit, when per-user licenses grow faster than the business, or when you only need a few modules around QuickBooks. We are not a reseller of any ERP, so the advice is not tied to a license.
Yes. On our ERP projects, purchase orders, vendors and invoices sync with QuickBooks automatically, and customer records keep their QuickBooks ID. The sync handles tax rules, date mismatches, duplicates and item ID changes, and runs as background jobs in Hangfire.
We map items, units, vendors, customers and open orders to the new data model, clean duplicates with your team, and run the migration on a copy first. Totals are compared with QuickBooks and the old records before the final switch. On the Auto.co.il project we moved about 100,000 records out of a legacy CRM into a new platform.
Yes. For Aspect, a print workshop, orders and stock from 7 Amazon marketplaces sync through SP-API every 15 minutes. Personalized orders become print jobs automatically, and a profit view deducts fees, ads, reprints and materials from each sale.
Yes. We start with a review of the code, data and background jobs, fix what hurts daily work first, then agree on a plan. We did this with Jongeneel’s operations platform, which we moved to .NET 10, and with our own CRM after it grew on a legacy codebase.
It depends on the number of modules, integrations and how much data has to move. Our Clutch profile lists rates of $25–49 per hour. You can work with us on a fixed scope and price per phase, or with a dedicated team billed monthly. You get an estimate for the first phase after a discovery call.
We can. On One Motion ERP, OSKI keeps building new modules, extending the QuickBooks integration and fixing live issues, while change requests ship without destabilizing production.
A spec, a Figma file or three paragraphs is enough to start.
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