Proposal ELG-MART-2026-04 · 17 July 2026
UK MART Retail POS — delivery plan
Every requirement from your brief, mapped to Phase 1 (live at go-live) or Phase 2 (within the first quarter of trading). The prototype at the till exercises the Phase 1 flow end-to-end today.
User management
- Role-based access
- Cashier / Supervisor / Manager / Admin with per-till permissions.
- P1
- Login & MFA
- PIN sign-in at till; TOTP MFA on manager dashboard.
- P1
Product management
- Inventory tracking
- Real-time stock decrement on sale/return, per SKU per branch.
- P1
- Barcode scanning
- USB HID scanner + manual EAN-13 fallback.
- P1
- Product info
- Images, categories, descriptions, allergen flags.
- P1
Billing & invoicing
- Auto VAT
- 20% standard / 5% reduced / 0% zero-rated splits on every basket.
- P1
- Discounts & promos
- Line & basket, %/fixed, coupon codes, meal deals.
- P1
- Custom invoices
- PDF invoice with logo, terms, VAT lines for B2B.
- P2
- Payment methods
- Cash, chip & PIN, contactless, Apple/Google Pay, gift card, loyalty points.
- P1
- Partial payments
- Split tender across methods; balance due tracking.
- P2
- Multi-currency
- GBP primary; EUR/USD display for tourists.
- P2
- Real-time pricing
- Live shelf-price sync from HQ pricebook.
- P1
Sales tracking
- Reporting
- Daily / weekly / monthly with SKU, tax, discount breakdown.
- P1
- Returns & exchanges
- Full or partial with restocking; audit-linked.
- P1
- Transaction history
- Full replay incl. voids and cancels.
- P1
Customer management
- Profiles
- Name, contact, spend history, loyalty balance.
- P2
- Loyalty program
- Points earn/burn, tiered rewards, birthday offers.
- P2
Multi-store
- Central data
- HQ consolidation across all branches.
- P2
- Branch settings
- Per-branch pricing, VAT overrides, opening hours.
- P2
Tax & compliance
- VAT management
- HMRC-aligned invoices; MTD-ready exports.
- P1
- Tax reports
- Quarterly VAT return CSV.
- P1
- Audit trail
- Every override, void, refund logged with actor.
- P1
Inventory integration
- Live stock
- Instant decrement, low-stock alerts.
- P1
- Stock transfers
- Branch-to-branch movement receipts.
- P2
Security & backup
- Encryption
- TLS in transit, AES-256 at rest.
- P1
- Backups
- Nightly snapshots, 30-day point-in-time restore.
- P1
- Audit logs
- Immutable append-only log per user.
- P1
Reporting & analytics
- Financials
- P&L, balance sheet, cashflow.
- P2
- Product analytics
- Top sellers, margin, dwell.
- P1
- Customer insights
- Cohort, RFM, repeat-purchase.
- P2
Integrations
- Accounting
- QuickBooks / Xero sync.
- P2
- Payment gateways
- Stripe Terminal, Adyen, Square.
- P1
- Loyalty
- Nectar API, in-house scheme.
- P2
Mobile & cloud
- Cloud access
- Manager dashboard from any browser.
- P1
- Mobile-friendly
- Tablet till mode; handheld stock check.
- P2
Support
- Helpdesk
- In-app chat, 9-6 UK hours.
- P1
- Updates
- Rolling, zero-downtime; compliance updates included.
- P1