diff --git a/app/models/project.rb b/app/models/project.rb
new file mode 100644
index 0000000..663c3de
--- /dev/null
+++ b/app/models/project.rb
@@ -0,0 +1,7 @@
+class Project < ApplicationRecord
+  validates :name, :code, presence: true
+
+  has_many :tasks
+
+  has_rich_text :description
+end
diff --git a/app/models/task.rb b/app/models/task.rb
new file mode 100644
index 0000000..a09b0fa
--- /dev/null
+++ b/app/models/task.rb
@@ -0,0 +1,8 @@
+class Task < ApplicationRecord
+  belongs_to :project
+
+  validates :number, :title, presence: true
+  validates :number, numericality: { greater_than: 0 }
+
+  has_rich_text :description
+end
diff --git a/db/migrate/20250621203845_create_projects.rb b/db/migrate/20250621203845_create_projects.rb
new file mode 100644
index 0000000..44e530b
--- /dev/null
+++ b/db/migrate/20250621203845_create_projects.rb
@@ -0,0 +1,12 @@
+class CreateProjects < ActiveRecord::Migration[8.0]
+  def change
+    create_table :projects do |t|
+      t.string :name, null: false
+      t.string :code, null: false
+
+      t.timestamps
+    end
+    add_index :projects, :name
+    add_index :projects, :code, unique: true
+  end
+end
diff --git a/db/migrate/20250621203940_create_tasks.rb b/db/migrate/20250621203940_create_tasks.rb
new file mode 100644
index 0000000..7250990
--- /dev/null
+++ b/db/migrate/20250621203940_create_tasks.rb
@@ -0,0 +1,11 @@
+class CreateTasks < ActiveRecord::Migration[8.0]
+  def change
+    create_table :tasks do |t|
+      t.references :project, null: false, foreign_key: true
+      t.integer :number, null: false
+      t.string :title, null: false
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 1baf278..51352bf 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_06_21_202543) do
+ActiveRecord::Schema[8.0].define(version: 2025_06_21_203940) do
   create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.string "name", null: false
     t.text "body", size: :long
@@ -49,6 +49,15 @@ ActiveRecord::Schema[8.0].define(version: 2025_06_21_202543) do
     t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
   end
 
+  create_table "projects", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.string "name", null: false
+    t.string "code", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["code"], name: "index_projects_on_code", unique: true
+    t.index ["name"], name: "index_projects_on_name"
+  end
+
   create_table "sessions", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.bigint "user_id", null: false
     t.string "ip_address"
@@ -58,6 +67,15 @@ ActiveRecord::Schema[8.0].define(version: 2025_06_21_202543) do
     t.index ["user_id"], name: "index_sessions_on_user_id"
   end
 
+  create_table "tasks", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.bigint "project_id", null: false
+    t.integer "number", null: false
+    t.string "title", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["project_id"], name: "index_tasks_on_project_id"
+  end
+
   create_table "users", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.string "email_address", null: false
     t.string "password_digest", null: false
@@ -69,4 +87,5 @@ ActiveRecord::Schema[8.0].define(version: 2025_06_21_202543) do
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
   add_foreign_key "sessions", "users"
+  add_foreign_key "tasks", "projects"
 end