diff --git a/src/routes/contacts.index.tsx b/src/routes/contacts.index.tsx
index d0bc23f..3fd9e7d 100644
--- a/src/routes/contacts.index.tsx
+++ b/src/routes/contacts.index.tsx
@@ -7,10 +7,12 @@ import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Badge } from "@/components/ui/badge";
 import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs";
+import { Checkbox } from "@/components/ui/checkbox";
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
 import { supabase } from "@/integrations/supabase/client";
 import { useAuth } from "@/lib/auth";
 import { toast } from "sonner";
-import { Plus, Search, Mail, Phone, Building2, ChevronRight, Edit, Trash2, Briefcase, Users, Archive, ArchiveRestore } from "lucide-react";
+import { Plus, Search, Mail, Phone, Building2, ChevronRight, Edit, Trash2, Briefcase, Users, Archive, ArchiveRestore, X } from "lucide-react";
 import { ContactFormDialog, CONTACT_TYPES, type ContactRecord } from "@/components/contacts/contact-form-dialog";
 import { setArchived } from "@/lib/archive";
 
@@ -39,6 +41,8 @@ function ContactsIndex() {
   const [view, setView] = useState<"active" | "archived">("active");
   const [editing, setEditing] = useState<ContactRecord | null>(null);
   const [open, setOpen] = useState(false);
+  const [selected, setSelected] = useState<Set<string>>(new Set());
+  const [bulkType, setBulkType] = useState<string>("");
 
   const load = async () => {
     setLoading(true);
@@ -132,6 +136,73 @@ function ContactsIndex() {
     setOpen(true);
   };
 
+  const toggleOne = (id: string) => {
+    setSelected((s) => {
+      const next = new Set(s);
+      if (next.has(id)) next.delete(id);
+      else next.add(id);
+      return next;
+    });
+  };
+  const toggleAllVisible = () => {
+    const visibleIds = filtered.map((r) => r.id);
+    const allSelected = visibleIds.every((id) => selected.has(id));
+    setSelected((s) => {
+      const next = new Set(s);
+      if (allSelected) visibleIds.forEach((id) => next.delete(id));
+      else visibleIds.forEach((id) => next.add(id));
+      return next;
+    });
+  };
+  const clearSelection = () => setSelected(new Set());
+
+  const bulkArchive = async (archived: boolean) => {
+    const ids = Array.from(selected);
+    if (!ids.length) return;
+    const patch = { archived_at: archived ? new Date().toISOString() : null };
+    const { error } = await (supabase.from("contacts") as any).update(patch).in("id", ids);
+    if (error) {
+      toast.error(error.message);
+      return;
+    }
+    toast.success(`${ids.length} contact${ids.length === 1 ? "" : "s"} ${archived ? "archived" : "restored"}`);
+    clearSelection();
+    load();
+  };
+
+  const bulkDelete = async () => {
+    const ids = Array.from(selected);
+    if (!ids.length) return;
+    if (!confirm(`Delete ${ids.length} contact${ids.length === 1 ? "" : "s"}? This will also remove all case and client links.`)) return;
+    const { error } = await supabase.from("contacts").delete().in("id", ids);
+    if (error) {
+      toast.error(error.message);
+      return;
+    }
+    toast.success(`${ids.length} contact${ids.length === 1 ? "" : "s"} deleted`);
+    clearSelection();
+    load();
+  };
+
+  const bulkChangeType = async (newType: string) => {
+    const ids = Array.from(selected);
+    if (!ids.length || !newType) return;
+    const { error } = await supabase.from("contacts").update({ contact_type: newType }).in("id", ids);
+    if (error) {
+      toast.error(error.message);
+      return;
+    }
+    const label = CONTACT_TYPES.find((t) => t.value === newType)?.label ?? newType;
+    toast.success(`${ids.length} contact${ids.length === 1 ? "" : "s"} changed to ${label}`);
+    setBulkType("");
+    clearSelection();
+    load();
+  };
+
+  const visibleIds = filtered.map((r) => r.id);
+  const allVisibleSelected = visibleIds.length > 0 && visibleIds.every((id) => selected.has(id));
+  const someVisibleSelected = visibleIds.some((id) => selected.has(id));
+
   return (
     <PageContainer>
       <PageHeader
@@ -194,8 +265,50 @@ function ContactsIndex() {
         ))}
       </div>
 
+      {selected.size > 0 && (
+        <Card className="mb-4 border-primary/50 bg-primary/5">
+          <CardContent className="p-3 flex flex-wrap items-center gap-2">
+            <span className="text-sm font-medium mr-2">
+              {selected.size} selected
+            </span>
+            <Button size="sm" variant="outline" onClick={() => bulkArchive(view !== "archived")}>
+              {view === "archived" ? <ArchiveRestore className="h-4 w-4 mr-1.5" /> : <Archive className="h-4 w-4 mr-1.5" />}
+              {view === "archived" ? "Restore" : "Archive"}
+            </Button>
+            <Select value={bulkType} onValueChange={bulkChangeType}>
+              <SelectTrigger className="h-8 w-48">
+                <SelectValue placeholder="Change type to…" />
+              </SelectTrigger>
+              <SelectContent>
+                {CONTACT_TYPES.map((t) => (
+                  <SelectItem key={t.value} value={t.value}>{t.label}</SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+            <Button size="sm" variant="destructive" onClick={bulkDelete}>
+              <Trash2 className="h-4 w-4 mr-1.5" /> Delete
+            </Button>
+            <Button size="sm" variant="ghost" onClick={clearSelection} className="ml-auto">
+              <X className="h-4 w-4 mr-1.5" /> Clear
+            </Button>
+          </CardContent>
+        </Card>
+      )}
+
       <Card>
         <CardContent className="p-0">
+          {filtered.length > 0 && !loading && (
+            <div className="px-4 py-2 border-b flex items-center gap-3 bg-muted/30">
+              <Checkbox
+                checked={allVisibleSelected ? true : someVisibleSelected ? "indeterminate" : false}
+                onCheckedChange={toggleAllVisible}
+                aria-label="Select all visible"
+              />
+              <span className="text-xs text-muted-foreground">
+                Select all {filtered.length} visible
+              </span>
+            </div>
+          )}
           {loading ? (
             <p className="p-6 text-sm text-muted-foreground">Loading…</p>
           ) : filtered.length === 0 ? (
@@ -214,8 +327,13 @@ function ContactsIndex() {
                       const typeLabel = CONTACT_TYPES.find((t) => t.value === c.contact_type)?.label ?? c.contact_type;
                       const canEdit = isAdmin || c.created_by === user?.id;
                       return (
-                        <li key={c.id} className="px-4 py-3 hover:bg-muted/40 transition-colors">
+                        <li key={c.id} className={`px-4 py-3 hover:bg-muted/40 transition-colors ${selected.has(c.id) ? "bg-primary/5" : ""}`}>
                           <div className="flex items-center gap-3">
+                            <Checkbox
+                              checked={selected.has(c.id)}
+                              onCheckedChange={() => toggleOne(c.id)}
+                              aria-label={`Select ${c.name}`}
+                            />
                             <Link
                               to="/contacts/$contactId"
                               params={{ contactId: c.id }}