Custom CRM Development: Stages, Features, Cost and Integrations
Custom CRM vs off-the-shelf: bespoke CRM development on Next.js, ERP sync, Telegram, email. Modules, timeline, CRM system cost for business.
Off-the-shelf CRM — amoCRM, Bitrix24, HubSpot — covers 80% of tasks. But unique workflows, ERP integration, custom pipelines or Telegram as primary sales channel require custom CRM development.
When custom CRM beats off-the-shelf
| Situation | Off-the-shelf | Custom CRM |
|---|---|---|
| Standard sales funnel | ✅ | Overkill |
| Unique deal stages | ❌ Workarounds | ✅ |
| Legacy ERP sync | Partial | ✅ Full |
| Telegram as main channel | Plugins | ✅ Native |
| White-label SaaS | ❌ | ✅ |
| Complex RBAC | Limited | ✅ |
| On-premise data | Cloud | ✅ Self-hosted |
Bespoke CRM makes sense at 20+ CRM users, non-standard processes, or when CRM is your product.
Key CRM modules
- Leads & deals — capture, custom pipeline, kanban, automation
- Contacts & companies — history, tags, deduplication
- Tasks & calendar — deadlines, Google Calendar sync, Telegram reminders
- Communications — email, Telegram bot, SMS, telephony
- Analytics — funnel conversion, KPI dashboards, exports
- Integrations — ERP, payments, e-commerce webhooks
Development stages
Discovery → UX/UI → Backend → Frontend → Integrations → Data migration → UAT → Launch.
MVP timeline: 8–14 weeks.
Tech stack
Next.js, React, TypeScript, PostgreSQL, Redis, WebSocket, Docker.
Cost
| Scope | Price | Timeline |
|---|---|---|
| MVP | $5–9k | 8–10 wks |
| Business | $9–15k | 10–14 wks |
| Enterprise | $15–30k | 14–20 wks |
Off-the-shelf: ~$15/user/mo × 30 = $5.4k/year. Custom CRM pays off in 1.5–2 years at scale.
CRM + Telegram
Lead messages bot → CRM card. Manager replies from CRM → Telegram. Payment in bot → deal closed.
NexForge builds CRM + Telegram bot as unified ecosystem. Describe your sales process for a quote.