diff --git a/supabase/functions/seed-test-data/index.ts b/supabase/functions/seed-test-data/index.ts
index 911cf2fa..46e18438 100644
--- a/supabase/functions/seed-test-data/index.ts
+++ b/supabase/functions/seed-test-data/index.ts
@@ -376,18 +376,22 @@ Deno.serve(async (req) => {
       
       console.info(`✓ Selected company types (${selectedCompanyTypes.length}):`, selectedCompanyTypes);
       
+      // Calculate fair distribution: base amount per type + extras
+      const basePerType = Math.floor(plan.companies / selectedCompanyTypes.length);
+      const extras = plan.companies % selectedCompanyTypes.length;
+      
+      console.info(`Distribution plan: ${basePerType} base per type, ${extras} extra(s) to first types`);
+      
       let companiesCreatedTotal = 0;
       
       for (let typeIndex = 0; typeIndex < selectedCompanyTypes.length; typeIndex++) {
       const compType = selectedCompanyTypes[typeIndex];
       const pluralType = pluralizeCompanyType(compType);
       
-      // Calculate fair distribution: remaining companies / remaining types
-      const remainingCompanies = plan.companies - companiesCreatedTotal;
-      const remainingTypes = selectedCompanyTypes.length - typeIndex;
-      const count = Math.ceil(remainingCompanies / remainingTypes);
+      // Each type gets base amount, first N types get +1 extra
+      const count = basePerType + (typeIndex < extras ? 1 : 0);
       
-      console.info(`✓ Generating ${count} companies of type ${compType} (${remainingCompanies} remaining, ${remainingTypes} types left)`);
+      console.info(`✓ Generating ${count} companies of type ${compType}`);
       
       for (let i = 0; i < count; i++) {
         console.info(`  Creating company ${i + 1}/${count} (type: ${compType})`);