diff --git a/app/Models/Activity.php b/app/Models/Activity.php
new file mode 100644
index 0000000..33c2785
--- /dev/null
+++ b/app/Models/Activity.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+
+class Activity extends Model
+{
+    protected $fillable = [
+        'title', 'description', 'start_date', 'end_date',
+        'created_by', 'status', 'approved_by', 'approved_at',
+        'executed_at', 'execution_notes',
+    ];
+
+    protected $casts = [
+        'start_date'  => 'date',
+        'end_date'    => 'date',
+        'approved_at' => 'datetime',
+        'executed_at' => 'datetime',
+    ];
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function approver(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'approved_by');
+    }
+
+    public function participants(): BelongsToMany
+    {
+        return $this->belongsToMany(User::class, 'activity_member');
+    }
+}
diff --git a/app/Models/ActivityLog.php b/app/Models/ActivityLog.php
new file mode 100644
index 0000000..0f8b5c4
--- /dev/null
+++ b/app/Models/ActivityLog.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class ActivityLog extends Model
+{
+    protected $fillable = ['user_id', 'action', 'model_type', 'model_id', 'description'];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}
diff --git a/app/Models/Approval.php b/app/Models/Approval.php
new file mode 100644
index 0000000..c2fbdf7
--- /dev/null
+++ b/app/Models/Approval.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Approval extends Model
+{
+    protected $fillable = ['model_type', 'model_id', 'required_approvals', 'status'];
+
+    public function items(): HasMany
+    {
+        return $this->hasMany(ApprovalItem::class);
+    }
+
+    public function approvable()
+    {
+        return $this->morphTo(__FUNCTION__, 'model_type', 'model_id');
+    }
+}
diff --git a/app/Models/ApprovalItem.php b/app/Models/ApprovalItem.php
new file mode 100644
index 0000000..42648c2
--- /dev/null
+++ b/app/Models/ApprovalItem.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class ApprovalItem extends Model
+{
+    protected $fillable = ['approval_id', 'user_id', 'decision', 'notes'];
+
+    public function approval(): BelongsTo
+    {
+        return $this->belongsTo(Approval::class);
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}
diff --git a/app/Models/Audit.php b/app/Models/Audit.php
new file mode 100644
index 0000000..c5d217e
--- /dev/null
+++ b/app/Models/Audit.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Audit extends Model
+{
+    protected $fillable = ['auditor_id', 'model_type', 'model_id', 'issue_type', 'description', 'status'];
+
+    public function auditor(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'auditor_id');
+    }
+
+    public function responses(): HasMany
+    {
+        return $this->hasMany(AuditResponse::class);
+    }
+
+    public function auditable()
+    {
+        return $this->morphTo(__FUNCTION__, 'model_type', 'model_id');
+    }
+}
diff --git a/app/Models/AuditResponse.php b/app/Models/AuditResponse.php
new file mode 100644
index 0000000..23e787d
--- /dev/null
+++ b/app/Models/AuditResponse.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class AuditResponse extends Model
+{
+    protected $fillable = ['audit_id', 'responded_by', 'response_text'];
+
+    public function audit(): BelongsTo
+    {
+        return $this->belongsTo(Audit::class);
+    }
+
+    public function responder(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'responded_by');
+    }
+}
diff --git a/app/Models/CashCategory.php b/app/Models/CashCategory.php
new file mode 100644
index 0000000..97d4276
--- /dev/null
+++ b/app/Models/CashCategory.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class CashCategory extends Model
+{
+    protected $fillable = ['name'];
+
+    public function records(): HasMany
+    {
+        return $this->hasMany(CashRecord::class, 'category_id');
+    }
+}
diff --git a/app/Models/CashRecord.php b/app/Models/CashRecord.php
new file mode 100644
index 0000000..ea4c0a6
--- /dev/null
+++ b/app/Models/CashRecord.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class CashRecord extends Model
+{
+    protected $fillable = [
+        'amount', 'category_id', 'description',
+        'date', 'created_by', 'verified_by', 'verified_at',
+    ];
+
+    protected $casts = [
+        'date'        => 'date',
+        'verified_at' => 'datetime',
+    ];
+
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(CashCategory::class, 'category_id');
+    }
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function verifier(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'verified_by');
+    }
+}
diff --git a/app/Models/Division.php b/app/Models/Division.php
new file mode 100644
index 0000000..a35c6dc
--- /dev/null
+++ b/app/Models/Division.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Division extends Model
+{
+    protected $fillable = ['name', 'description'];
+
+    public function members(): HasMany
+    {
+        return $this->hasMany(User::class);
+    }
+}
diff --git a/app/Models/MemberStatusLog.php b/app/Models/MemberStatusLog.php
new file mode 100644
index 0000000..07ea084
--- /dev/null
+++ b/app/Models/MemberStatusLog.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class MemberStatusLog extends Model
+{
+    protected $fillable = ['member_id', 'changed_by', 'old_status', 'new_status', 'reason'];
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'member_id');
+    }
+
+    public function changedBy(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'changed_by');
+    }
+}
diff --git a/app/Models/User.php b/app/Models/User.php
index 25ee3aa..09381ad 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -2,32 +2,52 @@
 
 namespace App\Models;
 
-// use Illuminate\Contracts\Auth\MustVerifyEmail;
 use Database\Factories\UserFactory;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
-use Illuminate\Database\Eloquent\Attributes\Hidden;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 use Spatie\Permission\Traits\HasRoles;
 
-#[Fillable(['name', 'email', 'password'])]
-#[Hidden(['password', 'remember_token'])]
 class User extends Authenticatable
 {
     /** @use HasFactory<UserFactory> */
     use HasFactory, Notifiable, HasRoles;
 
-    /**
-     * Get the attributes that should be cast.
-     *
-     * @return array<string, string>
-     */
-    protected function casts(): array
+    protected $fillable = [
+        'name', 'email', 'password',
+        'phone', 'address', 'division_id',
+        'status', 'inactive_reason', 'last_activity_date',
+    ];
+
+    protected $hidden = ['password', 'remember_token'];
+
+    protected $casts = [
+        'email_verified_at'  => 'datetime',
+        'password'           => 'hashed',
+        'last_activity_date' => 'date',
+    ];
+
+    public function division(): BelongsTo
     {
-        return [
-            'email_verified_at' => 'datetime',
-            'password' => 'hashed',
-        ];
+        return $this->belongsTo(Division::class);
+    }
+
+    public function activities(): BelongsToMany
+    {
+        return $this->belongsToMany(Activity::class, 'activity_member');
+    }
+
+    public function statusLogs(): HasMany
+    {
+        return $this->hasMany(MemberStatusLog::class, 'member_id');
+    }
+
+    public function cashRecords(): HasMany
+    {
+        return $this->hasMany(CashRecord::class, 'created_by');
     }
 }
diff --git a/app/Models/Vote.php b/app/Models/Vote.php
new file mode 100644
index 0000000..5fc6865
--- /dev/null
+++ b/app/Models/Vote.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Vote extends Model
+{
+    protected $fillable = [
+        'title', 'description', 'type',
+        'related_id', 'status', 'deadline', 'created_by',
+    ];
+
+    protected $casts = [
+        'deadline' => 'datetime',
+    ];
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function items(): HasMany
+    {
+        return $this->hasMany(VoteItem::class);
+    }
+}
diff --git a/app/Models/VoteItem.php b/app/Models/VoteItem.php
new file mode 100644
index 0000000..db3f9a0
--- /dev/null
+++ b/app/Models/VoteItem.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class VoteItem extends Model
+{
+    protected $fillable = ['vote_id', 'user_id', 'choice'];
+
+    public function vote(): BelongsTo
+    {
+        return $this->belongsTo(Vote::class);
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}