💷 Pricing Breakdown — UK Market Rates 2025
R&D Tax Credits: Most qualifying software projects can claim up to 27% of development spend back via HMRC R&D Tax Credits. A £50,000 project could effectively cost £36,500 after relief. ClickMasters documents qualifying activities as standard. See /rd-tax-credits-software-development/
| Service / Scope | What's Included | Timeline | Starting Price |
|---|---|---|---|
| Single ERP Module (custom) | Finance, HR, or operations module with core workflows | 8–16 wks | £40,000–£80,000 |
| Multi-Module ERP (custom) | Finance + HR + operations + reporting | 20–40 wks | £80,000–£200,000 |
| ERP MVP / Proof of Concept | Core module to validate before full build | 6–12 wks | £25,000–£50,000 |
| Legacy ERP Modernisation | Migrate from legacy ERP to modern cloud-native stack | 12–32 wks | £50,000–£150,000 |
| HMRC MTD Integration | Making Tax Digital integration for existing or new ERP | 2–6 wks | £8,000–£25,000 |
| ERP API / Integration Layer | Connect existing ERP to other systems via API | 3–10 wks | £12,000–£45,000 |
What Drives Cost — Key Variables
Module scope: Each ERP module (finance, HR, inventory, manufacturing, CRM) adds significant scope. Finance + HR + inventory as a starter suite is common; full ERP with manufacturing and supply chain takes 2x longer.
HMRC Making Tax Digital: MTD for VAT is mandatory. MTD for Income Tax from 2026. Custom ERP must integrate with HMRC MTD API. Add £8,000–£25,000 if not already in scope.
Integrations: ERP integrates with everything: payroll (Sage, Xero), e-commerce (Shopify), CRM (Salesforce), WMS, carrier management. Each integration adds 1–4 weeks.
UK GDPR for employee data: ERP processes HR and payroll data — special category data for health/disability information. UK GDPR requires: appropriate access controls, right to erasure for ex-employees (complex: statutory retention obligations), and clear lawful basis for each category of processing.