Enterprise software development cost in 2026: ERP, CRM, internal tools

Building custom enterprise software like ERP, CRM, or internal workflow tools? Real cost ranges and timelines for 2026.

Enterprise software builds typically run $40,000 for a focused internal tool to $300,000+ for a multi-module ERP system. The pricing depends on user count, integrations, compliance needs, and depth of customization.

Internal tool ($40K–$80K)

Single-purpose dashboard or workflow app for one team. Auth, RBAC, audit logs, integrations with 1–2 existing systems. 12–16 weeks.

Department-level platform ($80K–$180K)

Multi-feature CRM, HR, or operations platform. SSO/LDAP, complex roles, reporting, 5–10 integrations. 20–32 weeks with a full team.

Enterprise ERP ($180K+)

Multi-module system covering finance, HR, operations, inventory. High availability, audit, compliance, mobile companion apps. 9–18 months.

Tech stack

Backend: Python (FastAPI) or Java (Spring) for stability. Database: PostgreSQL with proper indexing and read replicas. Frontend: React with role-aware UI. Hosting: AWS or Azure with VPC isolation.

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Frequently asked questions

Should I buy SaaS or build custom enterprise software?

Buy SaaS when your needs match commodity workflows (CRM, HR). Build custom when your competitive edge depends on the workflow, integration depth, or you need compliance/security that SaaS can't deliver.

How much does custom CRM cost?

A focused custom CRM for a specific business model costs $40,000–$120,000. Multi-team CRM with sales, marketing, support modules runs $120,000–$250,000.

How long to build enterprise software?

Internal tool: 12–16 weeks. Department-level platform: 20–32 weeks. Full ERP: 9–18 months.