Email Domain Discount Rules for B2B Customers

82% Confidence Medium Market Medium Difficulty $3k-15k MRR Updated Jul 3, 2026

The Opportunity

An app that lets merchants automatically apply discounts to customers based on their email domain, customer tags, or company account. This is useful for stores selling to businesses or internal employee purchasing programs without manual segment creation.

"The merchant wants to give a recurring discount to all customers from the same company domain, but Shopify does not make this easy without manual segmentation or custom setup."

Market Validation

1
Merchants Asking
87/100
Quality Score
1
Unique Merchants

Detailed Analysis

Proposed Solution

Provide rule-based discount automation that matches customer email domains and applies a percentage or fixed discount at checkout or via automatic discount codes. Include support for multiple domains, allowlists, exclusions, and per-domain discount tiers.

Target Audience

Shopify merchants selling B2B, employee perk programs, wholesale-lite stores, and stores with company purchasing accounts

Competitive Landscape

Shopify Functions-based discount apps, B2B/wholesale discount apps, customer tag discount apps, automatic discount apps

Implementation Notes

Build a Shopify app using customer/account identity checks and discount logic tied to checkout or automatic discount configuration. The app should store domain rules, sync customer/company associations, handle edge cases like personal emails from employees, and provide an admin UI for creating and managing domain-based discount policies.

Evidence from Merchants

Real quotes from Shopify community forums

"Is it possible for me to give 15% discount on every order to a group of my costumers who´s using the same email domain?"

TheisHahn

Key Pain Points

Need for targeted discounts for specific customer groups

high

Mentioned by 1 merchants

Impact: Potential loss of sales if discounts cannot be applied effectively

Market Metrics

3-4 months
Time to Market

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