diff --git a/infra/scripts/setup_postgresql_databases.sh b/infra/scripts/setup_postgresql_databases.sh
new file mode 100755
index 00000000..a2ac444f
--- /dev/null
+++ b/infra/scripts/setup_postgresql_databases.sh
@@ -0,0 +1,116 @@
+#!/bin/bash
+
+# ============================================================================
+# AITBC PostgreSQL Database Setup Script
+# ============================================================================
+# This script creates all PostgreSQL databases and users required for AITBC services
+# ============================================================================
+
+set -e
+
+# Colors for output
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+echo -e "${BLUE}=== AITBC PostgreSQL Database Setup ===${NC}"
+echo ""
+
+# Function to create user and database
+setup_database() {
+    local db_name=$1
+    local db_user=$2
+    local db_password=${3:-password}
+    
+    echo -e "${BLUE}Setting up ${db_name}...${NC}"
+    
+    # Create user if not exists
+    sudo -u postgres psql -c "DO \$\$
+    BEGIN
+        IF NOT EXISTS (SELECT FROM pg_catalog.pg_roles WHERE rolname = '${db_user}') THEN
+            CREATE USER ${db_user} WITH PASSWORD '${db_password}';
+        END IF;
+    END
+    \$\$;" 2>/dev/null || echo "User ${db_user} already exists"
+    
+    # Create database if not exists
+    sudo -u postgres psql -c "SELECT 'CREATE DATABASE ${db_name} OWNER ${db_user}' WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = '${db_name}')\\gexec" 2>/dev/null || echo "Database ${db_name} already exists"
+    
+    # Grant privileges
+    sudo -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE ${db_name} TO ${db_user};" 2>/dev/null || true
+    
+    # Grant schema permissions
+    sudo -u postgres psql -d ${db_name} -c "ALTER SCHEMA public OWNER TO ${db_user};" 2>/dev/null || true
+    sudo -u postgres psql -d ${db_name} -c "GRANT CREATE ON SCHEMA public TO ${db_user};" 2>/dev/null || true
+    
+    echo -e "${GREEN}✅ ${db_name} setup complete${NC}"
+}
+
+# Function to configure PostgreSQL for remote connections
+configure_remote_connections() {
+    local network_cidr=${1:-10.1.223.0/24}
+    
+    echo -e "${BLUE}Configuring PostgreSQL for remote connections...${NC}"
+    
+    # Update listen_addresses
+    sudo sed -i "s/#listen_addresses = 'localhost'/listen_addresses = '*'/" /etc/postgresql/*/main/postgresql.conf 2>/dev/null || echo "listen_addresses already configured"
+    
+    # Add pg_hba.conf rule if not exists
+    if ! sudo grep -q "${network_cidr}" /etc/postgresql/*/main/pg_hba.conf 2>/dev/null; then
+        sudo bash -c "echo \"host    all             all             ${network_cidr}          scram-sha-256\" >> /etc/postgresql/*/main/pg_hba.conf"
+        echo -e "${GREEN}✅ Added pg_hba.conf rule for ${network_cidr}${NC}"
+    else
+        echo -e "${YELLOW}⚠️  pg_hba.conf rule already exists for ${network_cidr}${NC}"
+    fi
+    
+    # Reload PostgreSQL
+    sudo systemctl reload postgresql.service 2>/dev/null || sudo systemctl restart postgresql.service
+    
+    echo -e "${GREEN}✅ PostgreSQL remote connections configured${NC}"
+}
+
+# Main setup
+echo -e "${BLUE}Creating databases and users...${NC}"
+echo ""
+
+# AITBC core databases (shared user)
+setup_database "aitbc_coordinator" "aitbc_user"
+setup_database "aitbc_exchange" "aitbc_user"
+setup_database "aitbc_wallet" "aitbc_user"
+
+# Service-specific databases
+setup_database "aitbc_marketplace" "aitbc_marketplace"
+setup_database "aitbc_governance" "aitbc_governance"
+setup_database "aitbc_trading" "aitbc_trading"
+setup_database "aitbc_gpu" "aitbc_gpu"
+setup_database "aitbc_ai" "aitbc_ai"
+
+echo ""
+echo -e "${BLUE}=== Database Summary ===${NC}"
+sudo -u postgres psql -c "\l" | grep aitbc
+
+echo ""
+echo -e "${GREEN}=== Setup Complete ===${NC}"
+echo ""
+echo "Databases created:"
+echo "  - aitbc_coordinator (user: aitbc_user)"
+echo "  - aitbc_exchange (user: aitbc_user)"
+echo "  - aitbc_wallet (user: aitbc_user)"
+echo "  - aitbc_marketplace (user: aitbc_marketplace)"
+echo "  - aitbc_governance (user: aitbc_governance)"
+echo "  - aitbc_trading (user: aitbc_trading)"
+echo "  - aitbc_gpu (user: aitbc_gpu)"
+echo "  - aitbc_ai (user: aitbc_ai)"
+echo ""
+echo "To configure PostgreSQL for remote connections, run:"
+echo "  $0 --remote-configure [network-cidr]"
+echo "  Example: $0 --remote-configure 10.1.223.0/24"
+echo ""
+
+# Handle optional remote configuration
+if [[ "$1" == "--remote-configure" ]]; then
+    network_cidr=${2:-10.1.223.0/24}
+    configure_remote_connections "$network_cidr"
+fi