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E-commerce Development Proposal Template

E-commerce builds are deceptively complex. Clients see 'just an online store' but every project hides 20-30 third-party integrations: payment, shipping, tax, inventory, email marketing, reviews, analytics. The proposal must enumerate them or you'll bleed budget.

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What to include in your e-commerce development proposal template

  • Platform choice (Shopify, WooCommerce, custom) with rationale
  • Product catalog scope (number of products, variants, attributes)
  • Payment gateways (Stripe, PayPal, regional methods)
  • Shipping providers and tax integration
  • Inventory and warehouse management integration
  • Email marketing tool integration (Klaviyo, Mailchimp)
  • Migration scope from existing platform if applicable
  • Performance targets (Core Web Vitals)

How to price it

E-commerce builds: $5K-$20K (Shopify with theme + light customization), $20K-$80K (custom Shopify or WooCommerce with integrations), $80K-$300K+ (headless or fully custom). Always quote launch + first 90 days of fixes separately.

Common mistakes to avoid

  • Listing 'Shopify' without specifying theme strategy (custom theme vs. modified)
  • Not budgeting for product photography or content (huge time sink)
  • Including all third-party app subscriptions in your fee
  • Missing inventory integration (clients assume it's automatic)
  • No 'launch day support' (always day-of crashes; charge for it)

Sample template content

Here's an example of what a complete proposal looks like for this niche. Use it as a starting point — you'll fill in your own details when you create one.

Scope of Work

Shopify e-commerce build for [Client]: Week 1-2: Setup + theme customization (existing premium theme) Week 3-4: Product catalog import (50 products with variants), category structure Week 5: Payment integration (Stripe + PayPal), tax calc (TaxJar) Week 6: Shipping setup (UPS, FedEx live rates), order workflow Week 7: Email integration (Klaviyo): welcome flow, abandoned cart, post-purchase Week 8: SEO setup, analytics (GA4 + Shopify), performance optimization Week 9: QA, payment testing, dress rehearsal Week 10: Launch day support + 30-day post-launch fixes

Sample Line Items

DescriptionQtyTotal
Theme setup & customization1$4,000.00
Product catalog import1$2,500.00
Payment & tax integration1$3,000.00
Shipping & order workflow1$2,500.00
Email marketing integration1$2,500.00
QA, launch & 30-day support1$3,500.00
Total$18,000.00

Sample timeline: 10 weeks

Terms & Conditions

Fee: 30% on signing, 30% at week 5, 30% on launch, 10% at end of post-launch period. App subscriptions (Klaviyo, TaxJar, etc.) billed direct to client. We do not pay these on your behalf. Product content (descriptions, images): client provides. If we create, billed at $80/product. Launch day on-call support included (8 hours). Beyond that, $150/hr.

Frequently asked questions

▸ Shopify or WooCommerce or custom?

Shopify for 80% of merchants — fast, reliable, easy to operate. WooCommerce when client needs deep WordPress integration. Custom only when revenue justifies it ($1M+ annual).

▸ Should I include product photography?

No. List as separate line item or recommend a photographer. Product photo can be 50% of project time if you let it.

▸ How do I price ongoing maintenance?

Monthly retainer: $1,500-$5,000 covering app updates, theme tweaks, small features, support. Charge separately for major changes.

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