diff --git a/registrasion/admin.py b/registrasion/admin.py
new file mode 100644
index 0000000000000000000000000000000000000000..7401695056312904102f169fc519d1cab070839e
--- /dev/null
+++ b/registrasion/admin.py
@@ -0,0 +1,83 @@
+from django.contrib import admin
+from django.utils.translation import ugettext_lazy as _
+
+import nested_admin
+
+from registrasion import models as rego
+
+
+
+# Inventory admin
+
+class ProductInline(admin.TabularInline):
+    model = rego.Product
+
+
+@admin.register(rego.Category)
+class CategoryAdmin(admin.ModelAdmin):
+    model = rego.Category
+    verbose_name_plural = _("Categories")
+    inlines = [
+        ProductInline,
+    ]
+
+admin.site.register(rego.Product)
+
+
+# Discounts
+
+class DiscountForProductInline(admin.TabularInline):
+    model = rego.DiscountForProduct
+    verbose_name = _("Product included in discount")
+    verbose_name_plural = _("Products included in discount")
+
+
+class DiscountForCategoryInline(admin.TabularInline):
+    model = rego.DiscountForCategory
+    verbose_name = _("Category included in discount")
+    verbose_name_plural = _("Categories included in discount")
+
+
+@admin.register(
+    rego.TimeOrStockLimitDiscount,
+    rego.IncludedProductDiscount,
+)
+class DiscountAdmin(admin.ModelAdmin):
+    inlines = [
+        DiscountForProductInline,
+        DiscountForCategoryInline,
+    ]
+
+
+# Vouchers
+
+class VoucherDiscountInline(nested_admin.NestedStackedInline):
+    model = rego.VoucherDiscount
+    verbose_name = _("Discount")
+
+    # TODO work out why we're allowed to add more than one?
+    max_num = 1
+    extra = 1
+    inlines = [
+        DiscountForProductInline,
+        DiscountForCategoryInline,
+    ]
+
+
+class VoucherEnablingConditionInline(nested_admin.NestedStackedInline):
+    model = rego.VoucherEnablingCondition
+    verbose_name = _("Product and category enabled by voucher")
+    verbose_name_plural = _("Products and categories enabled by voucher")
+
+    # TODO work out why we're allowed to add more than one?
+    max_num = 1
+    extra = 1
+
+
+@admin.register(rego.Voucher)
+class VoucherAdmin(nested_admin.NestedAdmin):
+    model = rego.Voucher
+    inlines = [
+        VoucherDiscountInline,
+        VoucherEnablingConditionInline,
+    ]