diff --git a/client/src/pages/sites.tsx b/client/src/pages/sites.tsx
index 9981e8e..49bb16d 100644
--- a/client/src/pages/sites.tsx
+++ b/client/src/pages/sites.tsx
@@ -43,6 +43,11 @@ export default function Sites() {
       minGuards: 1,
       requiresArmed: false,
       requiresDriverLicense: false,
+      contractReference: "",
+      contractStartDate: undefined,
+      contractEndDate: undefined,
+      serviceStartTime: "",
+      serviceEndTime: "",
       isActive: true,
     },
   });
@@ -56,6 +61,11 @@ export default function Sites() {
       minGuards: 1,
       requiresArmed: false,
       requiresDriverLicense: false,
+      contractReference: "",
+      contractStartDate: undefined,
+      contractEndDate: undefined,
+      serviceStartTime: "",
+      serviceEndTime: "",
       isActive: true,
     },
   });
@@ -123,6 +133,11 @@ export default function Sites() {
       minGuards: site.minGuards,
       requiresArmed: site.requiresArmed,
       requiresDriverLicense: site.requiresDriverLicense,
+      contractReference: site.contractReference || "",
+      contractStartDate: site.contractStartDate || undefined,
+      contractEndDate: site.contractEndDate || undefined,
+      serviceStartTime: site.serviceStartTime || "",
+      serviceEndTime: site.serviceEndTime || "",
       isActive: site.isActive,
     });
   };
@@ -180,6 +195,64 @@ export default function Sites() {
                   )}
                 />
 
+                <div className="border-t pt-4 space-y-4">
+                  <p className="text-sm font-medium">Dati Contrattuali</p>
+                  
+                  <FormField
+                    control={form.control}
+                    name="contractReference"
+                    render={({ field }) => (
+                      <FormItem>
+                        <FormLabel>Riferimento Contratto</FormLabel>
+                        <FormControl>
+                          <Input placeholder="CT-2025-001" {...field} value={field.value || ""} data-testid="input-contract-reference" />
+                        </FormControl>
+                        <FormMessage />
+                      </FormItem>
+                    )}
+                  />
+
+                  <div className="grid grid-cols-2 gap-4">
+                    <FormField
+                      control={form.control}
+                      name="contractStartDate"
+                      render={({ field }) => (
+                        <FormItem>
+                          <FormLabel>Data Inizio Contratto</FormLabel>
+                          <FormControl>
+                            <Input 
+                              type="date" 
+                              {...field} 
+                              value={field.value || ""} 
+                              data-testid="input-contract-start-date" 
+                            />
+                          </FormControl>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+
+                    <FormField
+                      control={form.control}
+                      name="contractEndDate"
+                      render={({ field }) => (
+                        <FormItem>
+                          <FormLabel>Data Fine Contratto</FormLabel>
+                          <FormControl>
+                            <Input 
+                              type="date" 
+                              {...field} 
+                              value={field.value || ""} 
+                              data-testid="input-contract-end-date" 
+                            />
+                          </FormControl>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+                  </div>
+                </div>
+
                 <FormField
                   control={form.control}
                   name="shiftType"
@@ -253,6 +326,49 @@ export default function Sites() {
                   />
                 </div>
 
+                <div className="border-t pt-4 space-y-4">
+                  <p className="text-sm font-medium">Orari Servizio</p>
+                  <div className="grid grid-cols-2 gap-4">
+                    <FormField
+                      control={form.control}
+                      name="serviceStartTime"
+                      render={({ field }) => (
+                        <FormItem>
+                          <FormLabel>Orario Inizio</FormLabel>
+                          <FormControl>
+                            <Input 
+                              type="time" 
+                              {...field} 
+                              value={field.value || ""} 
+                              data-testid="input-service-start-time" 
+                            />
+                          </FormControl>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+
+                    <FormField
+                      control={form.control}
+                      name="serviceEndTime"
+                      render={({ field }) => (
+                        <FormItem>
+                          <FormLabel>Orario Fine</FormLabel>
+                          <FormControl>
+                            <Input 
+                              type="time" 
+                              {...field} 
+                              value={field.value || ""} 
+                              data-testid="input-service-end-time" 
+                            />
+                          </FormControl>
+                          <FormMessage />
+                        </FormItem>
+                      )}
+                    />
+                  </div>
+                </div>
+
                 <div className="flex gap-3 pt-4">
                   <Button
                     type="button"
@@ -317,6 +433,64 @@ export default function Sites() {
                 )}
               />
 
+              <div className="border-t pt-4 space-y-4">
+                <p className="text-sm font-medium">Dati Contrattuali</p>
+                
+                <FormField
+                  control={editForm.control}
+                  name="contractReference"
+                  render={({ field }) => (
+                    <FormItem>
+                      <FormLabel>Riferimento Contratto</FormLabel>
+                      <FormControl>
+                        <Input placeholder="CT-2025-001" {...field} value={field.value || ""} data-testid="input-edit-contract-reference" />
+                      </FormControl>
+                      <FormMessage />
+                    </FormItem>
+                  )}
+                />
+
+                <div className="grid grid-cols-2 gap-4">
+                  <FormField
+                    control={editForm.control}
+                    name="contractStartDate"
+                    render={({ field }) => (
+                      <FormItem>
+                        <FormLabel>Data Inizio Contratto</FormLabel>
+                        <FormControl>
+                          <Input 
+                            type="date" 
+                            {...field} 
+                            value={field.value || ""} 
+                            data-testid="input-edit-contract-start-date" 
+                          />
+                        </FormControl>
+                        <FormMessage />
+                      </FormItem>
+                    )}
+                  />
+
+                  <FormField
+                    control={editForm.control}
+                    name="contractEndDate"
+                    render={({ field }) => (
+                      <FormItem>
+                        <FormLabel>Data Fine Contratto</FormLabel>
+                        <FormControl>
+                          <Input 
+                            type="date" 
+                            {...field} 
+                            value={field.value || ""} 
+                            data-testid="input-edit-contract-end-date" 
+                          />
+                        </FormControl>
+                        <FormMessage />
+                      </FormItem>
+                    )}
+                  />
+                </div>
+              </div>
+
               <FormField
                 control={editForm.control}
                 name="shiftType"
@@ -403,6 +577,49 @@ export default function Sites() {
                 />
               </div>
 
+              <div className="border-t pt-4 space-y-4">
+                <p className="text-sm font-medium">Orari Servizio</p>
+                <div className="grid grid-cols-2 gap-4">
+                  <FormField
+                    control={editForm.control}
+                    name="serviceStartTime"
+                    render={({ field }) => (
+                      <FormItem>
+                        <FormLabel>Orario Inizio</FormLabel>
+                        <FormControl>
+                          <Input 
+                            type="time" 
+                            {...field} 
+                            value={field.value || ""} 
+                            data-testid="input-edit-service-start-time" 
+                          />
+                        </FormControl>
+                        <FormMessage />
+                      </FormItem>
+                    )}
+                  />
+
+                  <FormField
+                    control={editForm.control}
+                    name="serviceEndTime"
+                    render={({ field }) => (
+                      <FormItem>
+                        <FormLabel>Orario Fine</FormLabel>
+                        <FormControl>
+                          <Input 
+                            type="time" 
+                            {...field} 
+                            value={field.value || ""} 
+                            data-testid="input-edit-service-end-time" 
+                          />
+                        </FormControl>
+                        <FormMessage />
+                      </FormItem>
+                    )}
+                  />
+                </div>
+              </div>
+
               <div className="flex gap-3 pt-4">
                 <Button
                   type="button"
diff --git a/shared/schema.ts b/shared/schema.ts
index 89f2a2d..c929854 100644
--- a/shared/schema.ts
+++ b/shared/schema.ts
@@ -214,6 +214,11 @@ export const sites = pgTable("sites", {
   serviceStartTime: varchar("service_start_time"), // Orario inizio servizio
   serviceEndTime: varchar("service_end_time"), // Orario fine servizio
   
+  // Dati contrattuali
+  contractReference: varchar("contract_reference"), // Riferimento/numero contratto
+  contractStartDate: date("contract_start_date"), // Data inizio contratto
+  contractEndDate: date("contract_end_date"), // Data fine contratto
+  
   // Coordinates for geofencing (future use)
   latitude: varchar("latitude"),
   longitude: varchar("longitude"),