diff --git a/src/components/shared/age-indicator.tsx b/src/components/shared/age-indicator.tsx
new file mode 100644
index 0000000..53024bd
--- /dev/null
+++ b/src/components/shared/age-indicator.tsx
@@ -0,0 +1,24 @@
+import { cx } from '@/utils/cx';
+import { daysAgoFromNow, getAgeBracket } from '@/lib/format';
+
+const ageBracketColorMap = {
+    fresh: 'text-success-primary',
+    warm: 'text-warning-primary',
+    cold: 'text-error-primary',
+};
+
+interface AgeIndicatorProps {
+    dateStr: string;
+}
+
+export const AgeIndicator = ({ dateStr }: AgeIndicatorProps) => {
+    const days = daysAgoFromNow(dateStr);
+    const bracket = getAgeBracket(days);
+    const colorClass = ageBracketColorMap[bracket];
+
+    return (
+        <span className={cx('text-sm font-semibold', colorClass)}>
+            {days}d
+        </span>
+    );
+};
diff --git a/src/components/shared/source-tag.tsx b/src/components/shared/source-tag.tsx
new file mode 100644
index 0000000..c006d0c
--- /dev/null
+++ b/src/components/shared/source-tag.tsx
@@ -0,0 +1,45 @@
+import { Badge } from '@/components/base/badges/badges';
+import type { LeadSource } from '@/types/entities';
+
+type SourceColor = 'blue' | 'pink' | 'success' | 'blue-light' | 'gray' | 'purple' | 'orange' | 'warning';
+
+const sourceColorMap: Record<LeadSource, SourceColor> = {
+    FACEBOOK_AD: 'blue',
+    INSTAGRAM: 'pink',
+    GOOGLE_AD: 'success',
+    GOOGLE_MY_BUSINESS: 'blue-light',
+    WHATSAPP: 'success',
+    WEBSITE: 'gray',
+    REFERRAL: 'purple',
+    WALK_IN: 'orange',
+    PHONE: 'warning',
+    OTHER: 'gray',
+};
+
+const sourceLabelMap: Record<LeadSource, string> = {
+    FACEBOOK_AD: 'Facebook',
+    INSTAGRAM: 'Instagram',
+    GOOGLE_AD: 'Google',
+    GOOGLE_MY_BUSINESS: 'GMB',
+    WHATSAPP: 'WhatsApp',
+    WEBSITE: 'Website',
+    REFERRAL: 'Referral',
+    WALK_IN: 'Walk-in',
+    PHONE: 'Phone',
+    OTHER: 'Other',
+};
+
+interface SourceTagProps {
+    source: LeadSource;
+    size?: 'sm' | 'md';
+}
+
+export const SourceTag = ({ source, size = 'sm' }: SourceTagProps) => {
+    const color = sourceColorMap[source];
+    const label = sourceLabelMap[source];
+    return (
+        <Badge size={size} type="pill-color" color={color}>
+            {label}
+        </Badge>
+    );
+};
diff --git a/src/components/shared/status-badge.tsx b/src/components/shared/status-badge.tsx
new file mode 100644
index 0000000..03172cb
--- /dev/null
+++ b/src/components/shared/status-badge.tsx
@@ -0,0 +1,54 @@
+import { BadgeWithDot } from '@/components/base/badges/badges';
+import type { CampaignStatus, LeadStatus } from '@/types/entities';
+
+const toTitleCase = (str: string): string =>
+    str
+        .toLowerCase()
+        .replace(/_/g, ' ')
+        .replace(/\b\w/g, (c) => c.toUpperCase());
+
+type LeadStatusColor = 'blue' | 'brand' | 'success' | 'warning' | 'purple' | 'error' | 'gray';
+type CampaignStatusColor = 'gray' | 'success' | 'warning' | 'blue';
+
+const leadStatusColorMap: Record<LeadStatus, LeadStatusColor> = {
+    NEW: 'blue',
+    CONTACTED: 'brand',
+    QUALIFIED: 'success',
+    NURTURING: 'warning',
+    APPOINTMENT_SET: 'purple',
+    CONVERTED: 'success',
+    LOST: 'error',
+};
+
+const campaignStatusColorMap: Record<CampaignStatus, CampaignStatusColor> = {
+    DRAFT: 'gray',
+    ACTIVE: 'success',
+    PAUSED: 'warning',
+    COMPLETED: 'blue',
+};
+
+interface LeadStatusBadgeProps {
+    status: LeadStatus;
+}
+
+export const LeadStatusBadge = ({ status }: LeadStatusBadgeProps) => {
+    const color = leadStatusColorMap[status];
+    return (
+        <BadgeWithDot size="sm" type="pill-color" color={color}>
+            {toTitleCase(status)}
+        </BadgeWithDot>
+    );
+};
+
+interface CampaignStatusBadgeProps {
+    status: CampaignStatus;
+}
+
+export const CampaignStatusBadge = ({ status }: CampaignStatusBadgeProps) => {
+    const color = campaignStatusColorMap[status];
+    return (
+        <BadgeWithDot size="sm" type="pill-color" color={color}>
+            {toTitleCase(status)}
+        </BadgeWithDot>
+    );
+};
diff --git a/src/lib/format.ts b/src/lib/format.ts
new file mode 100644
index 0000000..d9a5e6f
--- /dev/null
+++ b/src/lib/format.ts
@@ -0,0 +1,39 @@
+// Format currency from micros to display string (INR)
+export const formatCurrency = (amountMicros: number, currency = 'INR'): string => {
+    const amount = amountMicros / 1_000_000;
+    return new Intl.NumberFormat('en-IN', { style: 'currency', currency, maximumFractionDigits: 0 }).format(amount);
+};
+
+// Format phone number for display
+export const formatPhone = (phone: { number: string; callingCode: string }): string =>
+    `${phone.callingCode} ${phone.number.replace(/(\d{5})(\d{5})/, '$1 $2')}`;
+
+// Calculate days ago from ISO date string
+export const daysAgoFromNow = (dateStr: string): number => {
+    const diff = Date.now() - new Date(dateStr).getTime();
+    return Math.floor(diff / (1000 * 60 * 60 * 24));
+};
+
+// Get aging bracket from days
+export const getAgeBracket = (days: number): 'fresh' | 'warm' | 'cold' =>
+    days < 2 ? 'fresh' : days <= 5 ? 'warm' : 'cold';
+
+// Format relative age string
+export const formatRelativeAge = (dateStr: string): string => {
+    const days = daysAgoFromNow(dateStr);
+    if (days === 0) return 'Today';
+    if (days === 1) return '1 day ago';
+    return `${days} days ago`;
+};
+
+// Format short date (Mar 15, 2:30 PM)
+export const formatShortDate = (dateStr: string): string =>
+    new Intl.DateTimeFormat('en-IN', { month: 'short', day: 'numeric', hour: 'numeric', minute: '2-digit', hour12: true }).format(new Date(dateStr));
+
+// Get initials from a name
+export const getInitials = (firstName: string, lastName: string): string =>
+    `${firstName[0] || ''}${lastName[0] || ''}`.toUpperCase();
+
+// Format large numbers (1234 -> "1.2K", 1234567 -> "1.2M")
+export const formatCompact = (n: number): string =>
+    new Intl.NumberFormat('en-IN', { notation: 'compact', maximumFractionDigits: 1 }).format(n);