Build a Warehouse Management System for Solar Installers.
Fixed scope, senior engineers, live in 8–14 weeks. You own the code, data, and roadmap.
You've probably tried the off-the-shelf warehouse management system options. They almost fit — except for the three workflows that actually make your solar installers business work. So your team patches the gaps with spreadsheets, Slack threads, and that one Zapier flow nobody remembers building. Building a warehouse management system from scratch — purpose-built for solar installers — is faster and cheaper than most operators expect.
Solar Installers often rely on disconnected tools, manual processes, and limited visibility across operations. Warehouse Management System Development provides a centralized platform tailored to the workflows and requirements of Solar Installers. Instead of bending your operation around generic software, you get a system that mirrors how solar installers actually run — same vocabulary, same flow, same daily rhythm — with the integrations and reporting your existing tools refuse to give you.
Most solar installers ship a working v1 in 8–14 weeks for a fixed price. You own the source code, the database, the design files, and the roadmap. No per-seat tax. No vendor lock-in. No 18-month enterprise sales cycle to get a single feature changed.
- Fixed scope and fixed price after week 1
- Working demo every Friday
- Live in 8–14 weeks
- You own code, data, and infrastructure
- 60 days of post-launch support included
- Dashboards
- Reporting
- User Roles
- Automations
- Notifications
- API Integrations
- HubSpot
- Salesforce
- Stripe
- QuickBooks
- Zapier
- Google Workspace
Discovery this week. Live in 8–14 weeks.
Step 1 — Scoping Call
A 30-minute call to understand your solar installers workflow, the users, and the must-have outcomes for your warehouse management system. We leave with a clear yes/no on fit — no pressure either way.
Step 2 — Fixed Scope & Quote
Week 1. We map the warehouse management system end-to-end, sketch the UI, and deliver a written scope with a fixed price. You can stop here — the scope and quote are yours to keep either way.
Step 3 — Architecture & First Sprint
Weeks 2–4. Data model, auth, RBAC, and integration architecture against HubSpot, Salesforce, Stripe. The first clickable surface ships to a staging URL by end of week 4.
Step 4 — Build Sprints
Weeks 4–10. Two-week sprints with a working demo every Friday — not a status report. Integrations go live in staging so you see real solar installers data flowing before launch.
Step 5 — Pilot & Launch
Weeks 10–14. We migrate your data, train your team, run a parallel pilot for one to two weeks, then cut over to production on your infrastructure. You own the code, data, and docs.
Step 6 — Support & Iterate
Post-launch. 60 days of weekly tuning included based on real usage. After that, keep us on retainer for ongoing iteration or hand off cleanly to your in-house team.
Everything in the build.
- A production warehouse management system purpose-built for solar installers — not a configured template
- Live integrations with HubSpot, Salesforce, Stripe, QuickBooks
- Role-based access for operators, admins, customers, and partners
- Dashboards and reporting tuned to your solar installers KPIs
- Mobile-ready UI for field, office, and customer-facing users
- Migration from your current spreadsheets, legacy tools, or vendor
- Full source code, infrastructure, documentation, and admin handoff
- 60 days of post-launch support, tuning, and minor enhancements
The architecture for your warehouse management system.
At the center is a transactional ledger in Postgres — orders, stock movements, and adjustments — with every change written as an immutable event so you can replay history and reconcile end-to-end. A workflow engine picks up new orders from your sales channels, allocates stock, and pushes fulfillment instructions to the warehouse or 3PL; exceptions land in a queue your ops team clears from one screen. Finance gets clean exports to your accounting system as an idempotent nightly job.
Data flow
Sales channels → orders → allocation engine → warehouse / 3PL → ledger → accounting system
Why solar installers choose to build warehouse management system.
It costs less than you think
Most solar installers expect custom warehouse management system to cost mid-six figures and take a year. Reality is closer to a fixed build fee in the high five figures to low six figures, shipped in 8–14 weeks. When you net out 3 years of per-seat SaaS subscriptions plus the hidden cost of workarounds, custom usually wins on TCO inside year two.
You own the roadmap
Off-the-shelf warehouse management system ships features for the average customer across every industry. When you need something specific to solar installers, you wait — for quarters, sometimes years. With custom warehouse management system the next feature ships in the next sprint because your engineers are your engineers.
You stop paying the workaround tax
Every workaround — the spreadsheet, the Zapier flow, the manual export, the "ask Jenny to run that report" — has a real weekly cost in time and errors. Custom warehouse management system eliminates them at the root instead of bolting on another integration.
Your data stays yours
Source code, database, infrastructure config, and design files are yours from day one. No vendor lock-in. No surprise pricing changes. If we ever stopped working together, your business keeps running.
"We're not big enough to justify custom warehouse management system."+
That's usually the opposite of true. The smaller and more focused your solar installers operation, the more the off-the-shelf tools cost you in workarounds. Custom warehouse management system starts paying back fastest at the operator-led stage — before you've built three layers of process around generic software.
"Won't it take forever and go over budget?"+
Not when scope is fixed in week one and demos ship every Friday. Most warehouse management system engagements for solar installers ship v1 in 8–14 weeks at the price quoted in discovery. The reason most custom software runs late is unbounded scope — we fix that on day one.
"What if we hate it after launch?"+
You won't get there. Weekly demos mean you've seen and signed off on every screen before launch. The pilot phase runs the new system in parallel with whatever you use today, so you have a clean rollback option until you don't need one.
"Who maintains it after we go live?"+
We include 60 days of post-launch support — bug fixes, tuning, and minor enhancements. After that you can keep us on retainer for ongoing iteration, hand off to your in-house team, or do a hybrid where we handle major releases and you handle day-to-day.
"What about security and compliance?"+
SOC2-ready architecture, role-based access, encryption at rest and in transit, full audit logging from day one. For solar installers with sector-specific regulations, we add the controls and documentation required for your specific regime.
"How do we know you can actually build this?"+
Discovery is fixed-price and stops there if you want it to. You walk away with a written scope, wireframes, and a fixed quote — whether or not you move forward. Most solar installers use the discovery deliverable to make the build/buy decision internally.
Real builds we've shipped
We don't just write playbooks — we ship them. A few production launches from the Envert team.
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View case studyReady to build a warehouse management system for your solar installers business?
Discovery is fixed-price and yours to keep either way — written scope, wireframes, and a fixed quote.
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Most solar installers ship their warehouse management system v1 in 8–14 weeks.