Hoop Interactive builds custom enterprise resource planning (ERP) systems that unify finance, inventory, HR, and operations in one platform. No per-user fees, no workarounds for features you don't have.
ERP software development is the process of building an enterprise resource planning (ERP) system that connects finance, inventory, HR, procurement, and operations into one shared database. Every department works from the same numbers, instead of five exports that never quite match.
A custom ERP system replaces a stack of disconnected tools - an accounting package, a separate inventory spreadsheet, a standalone HR tool - with one platform built around your actual processes. When a sales order comes in, inventory updates, finance sees the revenue, and procurement sees the stock impact automatically. Off-the-shelf ERP platforms force your business to adapt to their modules. A custom build does the opposite.
Three ways businesses run their operations, and the point at which each one stops holding together.
| Option | What it is | Where it breaks down |
|---|---|---|
| Point solutions | Separate tools for accounting, inventory, and HR that don't talk to each other. | Manual re-entry and mismatched data between departments. |
| Off-the-shelf ERP (SAP, NetSuite, Dynamics) | A pre-built platform with fixed modules, licensed per user. | Per-seat costs scale with headcount; workflows rarely fit exactly. |
| Custom ERP | A system built around your exact modules, processes, and data. | Costs more upfront; pays back through fit and ownership. |
The build-versus-buy call, and where the system should actually run once you have made it.
Buy an off-the-shelf ERP if your industry runs on standard processes and a platform like NetSuite already covers 80% of your needs. Build a custom ERP if you are paying rising per-user fees at scale, working around modules that don't fit, or running an industry-specific process no packaged platform supports well.
Cloud ERP hosts your system on infrastructure such as AWS, with lower upfront cost and automatic scaling. On-premise ERP runs on your own servers, which suits organizations with strict data-residency rules. Most of our clients choose cloud, and we scope on-premise or hybrid when compliance requires it.
A custom ERP removes per-user licensing costs and gives you a system that matches your processes instead of forcing your team to work around someone else's software.
Licensing stops climbing every time you hire, because the system is owned rather than rented per seat.
Finance, inventory, and HR share one database, so records stop being re-keyed between departments.
Leadership reports from a single source of truth instead of five departmental exports that conflict.
Modules are shaped around how your business actually operates, not a generic industry template.
New locations, warehouses, and departments are added as modules on the same core platform.
No forced vendor upgrades, no deprecation schedule, and no roadmap you cannot influence.
We scope your ERP around the modules your business actually needs, not a fixed package. Most clients start with two or three.
General ledger, accounts payable and receivable, multi-entity accounting, and real-time financial reporting.
Stock tracking, reorder alerts, and multi-location inventory visibility in one live dashboard.
Employee records, time tracking, payroll processing, and role-based access by department.
Purchase orders, vendor management, and approval workflows tied directly to inventory levels.
Production planning, bill of materials, and quality control for manufacturing operations.
Lead tracking, order management, and customer data connected directly to inventory and finance.
End-to-end visibility from supplier to warehouse to delivery, with demand forecasting.
Four situations send most operations leaders to us for a custom ERP build.
Your accounting system and your inventory spreadsheet disagree, and someone reconciles them by hand every month.
Your current SaaS ERP bill has grown past what a custom system would cost to own outright over three years.
You customize workarounds inside an off-the-shelf platform every time your business adds a new process.
Your current spreadsheet-based system cannot track inventory or staff across more than one site.
These five mistakes account for most stalled or over-budget ERP projects we've been asked to rescue.
A big-bang rollout across finance, HR, and inventory delays value for a year. We ship the highest-pain module first.
Teams that skip documenting how orders actually move end up rebuilding core workflows mid-project. We spend 3 to 6 weeks on this before writing code.
Moving years of financial and inventory records is rarely a simple export-import. We scope migration as its own phase, not an afterthought.
Permissions built around job titles instead of actual tasks create bottlenecks. We design access around what each role does daily.
A technically sound ERP fails if warehouse and finance staff revert to spreadsheets. We build training into the rollout plan.
Six stages, from first call to a live system your team uses daily. We roll out module by module, not all at once.
We document how orders, invoices, and stock actually move through your business today, not how the org chart says they should.
3–6 weeks · DiscoveryWe prioritize the 2 to 4 modules that remove the most manual work first, and design the shared data model behind them.
1–2 weeks · PlanningWe map your existing records, clean duplicate or outdated data, and plan a migration that doesn't interrupt daily operations.
2–4 weeks · Migration PlanWe design interfaces for the finance, warehouse, and HR staff who use the system every day, not just the executives who approved it.
2–3 weeks · DesignWe build and launch one module at a time in two-week sprints, so you see value before the full system is complete.
8–36 weeks · DevelopmentWe run role-specific training before go-live and stay on hand through the first full reporting cycle.
2–4 weeks · LaunchThree factors drive the price: module count, integration count, and data migration volume.
Proven, well-documented technology, chosen for data integrity and long-term maintainability.
Pick the model that fits your rollout plan. All four include biweekly demos and full data ownership.
A defined module list, timeline, and price agreed before we start. You know the exact cost up front.
Best for fixed budgetsEngineers, a solutions architect, and a project manager working as an extension of your team through rollout and beyond.
Best for large rolloutsSenior developers added to your existing IT team to close a skills gap or add build capacity fast.
Best for existing IT teamsWe build and launch one module first, prove the value, then fund the next module from the savings.
Best for staged budgetsNo hidden gaps. Each engagement includes everything you need to launch and run the system.
The process stays the same. The modules and compliance needs change by industry.
Production planning, bill of materials, and quality control workflows.
Cross-location inventory, staffing, and point-of-sale integration.
Warehouse management, route planning, and supplier tracking.
Project costing, resource allocation, and contract management.
HIPAA-compliant inventory, scheduling, and billing systems.
Batch tracking, expiry management, and supplier compliance.
Project, resource, and billing management in one system.
Order, inventory, and fulfillment sync across sales channels.
Real work, real numbers, see how we did it for BeesApp.
99.9%
BeesApp came to us with a broken patchwork of PHP, Django, and Vue.js. We tore it down and rebuilt the entire system from scratch using Next.js, Flutter, and FastAPI - delivering 99.9% uptime, 120+ API endpoints, and enabling market entry in Saudi Arabia.
120+
API Endpoints
74%
Faster Load
40%
Lower Costs
ERP software development is one of twelve engineering areas we cover, under Custom Software.
Bespoke builds scoped around how your business actually runs.
ExploreMulti-department platforms with role-based access and audit logging.
ExploreA lean first build that tests your idea with real users in weeks.
ExploreREST, GraphQL, and webhook layers connecting your systems.
ExploreDashboards and reporting built on one unified dataset.
ExploreAWS and Azure infrastructure, containers, and deployment pipelines.
ExploreAccess-control testing, security review, and ongoing support.
ExploreStorefronts and order systems that sync straight into your ERP.
ExploreThe questions operations and finance leaders ask us most before starting a build.
No. Accounting software manages financial transactions only. ERP (enterprise resource planning) software connects finance with inventory, HR, procurement, and operations in one shared system.
Custom ERP development costs $30,000 to $750,000 or more, depending on modules and complexity. A single-module ERP costs $30,000 to $100,000, a multi-department ERP costs $100,000 to $250,000, and an enterprise-grade ERP costs $250,000 to $750,000 or more.
Building a custom ERP system takes 10 to 52 weeks or more. A single module takes 10 to 16 weeks, a multi-department system takes 16 to 28 weeks, and an enterprise-grade ERP takes 28 to 52 weeks or longer.
SAP and NetSuite are off-the-shelf ERP platforms with per-user licensing and fixed workflows. Custom ERP is built around your exact processes, owned outright, with no recurring per-seat fees.
Yes. We map your existing data structure, clean and validate records, then migrate finance, inventory, and customer data into the new ERP without disrupting daily operations.
Yes. We integrate custom ERP systems with QuickBooks, Salesforce, Shopify, SAP, and most third-party tools through REST APIs or direct database connections.
Most businesses start with finance and inventory management - the two modules with the highest volume of manual, error-prone data entry.
Yes. You own 100% of the source code, database, and business data, delivered in a documented repository with no vendor lock-in.
Yes. We build ERP systems on modular architecture, so you add new locations, warehouses, or departments as separate modules instead of rebuilding the core system.
Yes. We run role-specific training sessions before go-live and provide documentation, so finance, warehouse, and HR staff know the system on day one.
Yes. We sign an NDA before the discovery call, before you share any financial or operational data with us.
We build custom ERP systems on Node.js, FastAPI, and Next.js, with PostgreSQL for data, AWS or Azure for infrastructure, and Docker for deployment.
Node.js
FastAPI
PostgreSQL
Redis
Next.js
React
TypeScript
AWS
Docker
Zapier
