Sales & quotations
Enquiry to quotation to order, with customer-specific price lists, approvals and follow-ups, so no enquiry goes unanswered.
Service · Custom ERP
Custom ERP software development
ERP built around how your business actually trades, not the other way round. Sales, inventory, purchase, production, billing and accounts in one system your team opens without being told to, delivered module by module with the first one live early.
- First module
- Billing or stockThe usual starting point
- Delivery
- Two-week incrementsWorking software early
- Ownership
- Source code & dataHanded over on completion
- Hosting
- Your cloud or on-premiseRegion of your choice
- Built by
- The SteelERP teamOur own ERP product
01 — Scope
What a custom ERP covers
Start with the module that leaks the most money, then add the rest once it pays back. Every module shares one item master, one customer list and one ledger.
Inventory & warehouses
Live stock by item, variant, batch or location, with committed versus free quantity, so sales never promises stock that is already gone.
Purchase & vendors
Requisitions, purchase orders, goods receipt and vendor bills matched three ways, with reorder levels based on real consumption.
Production & job-work
Bills of materials, work orders, outside job-work and yields, so you know what a unit really costs to make.
Billing & tax compliance
Invoices, credit notes and e-invoicing in the format your tax authority requires, posted straight to the ledger.
Accounts & receivables
Ledgers, receivables ageing, and credit limits checked before an order is confirmed, not after the truck has left.
Dispatch & logistics
Picking, packing, part-loads, vehicle and transporter details, and proof of delivery tied to the invoice.
Dashboards & reports
Margin by customer and product, ageing, stock turns and pipeline, live rather than assembled at month end.
02 — Build or buy
Custom ERP or off-the-shelf? An honest comparison
Buy off-the-shelf if your process is standard: plain accounting, simple stock, no unusual pricing. Tally, Zoho Books, QuickBooks, Xero, Odoo, ERPNext, SAP Business One and NetSuite are good products for the businesses they were designed for.
Custom ERP earns its cost when the software has to match how you actually trade: weight-based pricing, grade- and size-wise stock, job-work, part-loads, approval chains, or a pricing model nobody else uses. If your team is bending the business to fit the software's screens, or keeping the real numbers in a spreadsheet next to it, that is the signal.
| Off-the-shelf ERP | Custom ERP | |
|---|---|---|
| Fit to your process | You adapt to its workflows; deep customisation is limited or costly | Screens, rules and vocabulary follow your process |
| Time to start | Days to weeks for a standard setup | First module in weeks; full rollout in months |
| Upfront cost | Low | Higher: you pay for design and build |
| Running cost | Per-user licences that grow with headcount | Hosting and support; no per-user licence fees |
| Ownership | The vendor owns the software; you rent access | You own the source code and the data |
| Changing it later | Wait for the vendor's roadmap or pay for customisation | Change it when the business changes |
| Best for | Standard accounting and inventory | Businesses whose edge is in how they operate |
03 — Industries
Industries we build ERP for
Each industry page lists the modules, AI agents and portals we would build first.
Steel & metalsWholesale & distributionManufacturingTextiles & apparelPharma & life sciencesJewellery & gemsAgriculture & food processingLogistics & portsConstruction & building materialsRetail & e-commerceAutomotive & auto componentsEngineering & machineryChemicals & plasticsElectronics & electricals
04 — Proof
SteelERP: the ERP we built and run ourselves
We are a product company first. SteelERP is enterprise ERP and order management for B2B steel and metal distributors, now running as a multi-tenant product.
Inquiry to invoice
Inquiry, quotation, order, dispatch and GST invoice in one platform, with e-way bill support, credit notes and ledger posting.
Live inventory
Grade-, size- and godown-wise stock, with committed versus free quantity.
Trade-specific pricing
Weight-based rates and part-load dispatch tracking, reconciled down to the last kilogram.
Credit control
Credit limits checked before an order is confirmed.
Role-based access
Sales, stores and accounts each see what they need, across tenants.
Dashboards
Margin, receivables ageing and supply-chain views, live.
A custom ERP from us gets the same discipline: real process first, screens second.
Visit steelerp.in05 — Process
How an ERP project runs
Short loops and working software early. What actually stretches ERP timelines is messy legacy data, unclear internal approvals and scope added mid-build, so we deal with those up front.
01
Discover
We sit with sales, stores and accounts, map the real process, including the workarounds, and find where money leaks.
02
Design
Screens, data model and reports are agreed before a line of production code is written.
03
Build
Two-week increments. The first usable module, usually billing or stock, lands early; the rest follows while your team already uses it.
04
Migrate & deploy
Masters, ledgers, stock and opening balances moved and reconciled with your accountant, then a parallel run until you trust it.
05
Support
We stay on for fixes, new modules and the changes your business grows into.
06 — Integrations
What a custom ERP connects to
- Tax and e-invoicing systems: GST e-invoicing and e-way bills in India; Peppol, ZATCA, KSeF, CFDI and other national systems through their official APIs or an accredited provider
- Accounting software you keep using for filing, such as Tally, QuickBooks or Xero
- Payment gateways, bank statements and UPI or card collections
- WhatsApp Business messages for order confirmations, dispatch updates and payment reminders
- Web stores, marketplaces and shipping carriers
- Weighbridges, barcode and RFID scanners, and label printers
07 — Cost
What drives the cost of a custom ERP
Three things drive cost more than anything else: how many modules you run on day one, how many users and branches you have, and how much legacy data needs cleaning before it moves. Integrations with outside systems come next. A single-branch billing and stock rollout sits at the lower end; multi-branch ERP with purchase, production, credit control and integrations sits well above it.
We quote a fixed scope after a free discovery call. The cheapest way to start is with the module that leaks the most money, usually billing, stock or order-to-dispatch, and fund the rest from what it saves.
Locations
Custom ERP development near you
We deliver remotely from Jaipur. Each location guide covers local industries, tax and data rules, and how working hours line up.
MumbaiDelhiBengaluruNew York CityLos Angeles, CAChicago, ILLondonManchesterBirmingham, UKBerlinParisAmsterdamDubaiRiyadhAbu DhabiLagosNairobiJohannesburgSingaporeKuala LumpurJakartaSydneyMelbourneBrisbaneMexico CitySão PauloBogotá
Country guides
FAQ
Custom ERP development: common questions
What is custom ERP software?
Custom ERP software is an enterprise resource planning system designed and built for one business's own processes, rather than configured from a packaged product. It connects sales, inventory, purchase, production, billing and accounts in one database, using your terminology, approval rules and pricing logic, and you own the source code.
How much does custom ERP development cost?
Cost is driven by how many modules you run on day one, how many users and branches you have, how much legacy data needs cleaning, and which outside systems it must connect to. A single-branch billing and stock rollout sits at the lower end; multi-branch ERP with purchase, production and integrations sits well above it. We quote a fixed scope after a free discovery call.
How long does it take to build and implement a custom ERP?
Plan in months, not weeks, for a full ERP, but you should see working software far earlier. We ship in two-week increments, so a first usable module, usually billing or stock, lands early and the rest follows while your team is already using it. Messy legacy data, unclear internal approvals and scope added mid-build are what stretch timelines.
Is it better to build a custom ERP or buy Tally, Odoo, SAP Business One or NetSuite?
Buy off-the-shelf if your process is standard. Build custom when the software must match how you actually trade: weight-based rates, grade- and size-wise stock, job-work, part-loads, unusual pricing or approval chains. If your team keeps the real numbers in a spreadsheet next to the ERP, packaged software is not fitting your business.
Can you migrate our data from Tally, Busy, QuickBooks or Excel?
Yes. Masters, ledgers, stock items and opening balances move across; we map fields with your accountant and reconcile balances before cutover. Migrate at a year-end or quarter-end so a financial year is not split across two systems, and budget time for cleanup so duplicate parties and dead items do not come with you.
Who owns the source code and the data?
Ownership is agreed in writing before work starts. For custom builds we hand over the source code, database and documentation on completion, and your business data stays yours throughout, exportable in standard formats, so there is no lock-in. We are happy to sign an NDA before you share process details.
Can a custom ERP handle e-invoicing and tax rules in my country?
Yes. Invoicing is built for your jurisdiction's tax rules, and e-invoicing connects to the national system through its official API or an accredited provider, for example GST e-invoicing in India, ZATCA in Saudi Arabia, KSeF in Poland or CFDI in Mexico. Because tax rules change, compliance is something we keep updated rather than treat as a one-time build.
Will our staff actually use it?
Adoption is the real risk in an ERP project, not the technology. We keep daily screens close to the words your team already uses, roll out module by module with training on your own data, and stay close through the first billing cycle, when the real questions appear.
Contact
Let's build it.
Tell us about the process you want fixed. We reply within one working day.
- Emailflip.retail1@gmail.com
- Phone / WhatsApp+91 92569 97690
- StudioB-2, B203 Brij Villa,
Rajendra Marg, Bapu Nagar,
Jaipur, Rajasthan 302015, India