diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.html
index b4bda552..0358f4a2 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.html
@@ -44,4 +44,8 @@
       <app-layout-chat-left-sidenav-call></app-layout-chat-left-sidenav-call>
     </mat-tab>
   </mat-tab-group>
+  <ucap-ui-float-action-button
+    [fabButtons]="fabButtons"
+    (buttonClick)="onClickFab($event)"
+  ></ucap-ui-float-action-button>
 </div>
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
index 11447c9a..de430cb0 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
@@ -31,6 +31,9 @@ export class LeftSideComponent implements OnInit {
   /** 조직도에서 부서원 선택 */
   selectedUserList: (UserInfo | UserInfoSS | UserInfoF | UserInfoDN)[] = [];
 
+  /** FAB */
+  fabButtons: { icon: string }[];
+
   constructor(
     private store: Store<any>,
     private dialogService: DialogService,
@@ -41,6 +44,20 @@ export class LeftSideComponent implements OnInit {
     this.badgeChatUnReadCount$ = this.store.pipe(
       select(AppStore.MessengerSelector.SyncSelector.selectChatUnreadCount)
     );
+    this.fabButtons = [
+      {
+        icon: 'timeline'
+      },
+      {
+        icon: 'view_headline'
+      },
+      {
+        icon: 'room'
+      },
+      {
+        icon: 'lock'
+      }
+    ];
   }
 
   async onClickNewChat() {
@@ -106,4 +123,9 @@ export class LeftSideComponent implements OnInit {
       );
     }
   }
+
+  /** FAB */
+  onClickFab(params: { btn: { icon: string } }) {
+    this.logger.debug('FAB click', params.btn);
+  }
 }
diff --git a/projects/ucap-webmessenger-ui/src/lib/animations/index.ts b/projects/ucap-webmessenger-ui/src/lib/animations/index.ts
index ac5a437f..d734017b 100644
--- a/projects/ucap-webmessenger-ui/src/lib/animations/index.ts
+++ b/projects/ucap-webmessenger-ui/src/lib/animations/index.ts
@@ -10,7 +10,8 @@ import {
   state,
   animation,
   useAnimation,
-  stagger
+  stagger,
+  keyframes
 } from '@angular/animations';
 
 const customAnimation = animation(
@@ -548,5 +549,52 @@ export const ucapAnimations = [
         query('content > :leave', animateChild(), { optional: true })
       ])
     )
+  ]),
+
+  /**
+   * Floating ACtion Button Animation.
+   */
+  trigger('fabToggler', [
+    state(
+      'inactive',
+      style({
+        transform: 'rotate(0deg)'
+      })
+    ),
+    state(
+      'active',
+      style({
+        transform: 'rotate(225deg)'
+      })
+    ),
+    transition('* <=> *', animate('200ms cubic-bezier(0.4, 0.0, 0.2, 1)'))
+  ]),
+  trigger('speedDialStagger', [
+    transition('* => *', [
+      query(':enter', style({ opacity: 0 }), { optional: true }),
+
+      query(
+        ':enter',
+        stagger('40ms', [
+          animate(
+            '200ms cubic-bezier(0.4, 0.0, 0.2, 1)',
+            keyframes([
+              style({ opacity: 0, transform: 'translateY(10px)' }),
+              style({ opacity: 1, transform: 'translateY(0)' })
+            ])
+          )
+        ]),
+        { optional: true }
+      ),
+
+      query(
+        ':leave',
+        animate(
+          '200ms cubic-bezier(0.4, 0.0, 0.2, 1)',
+          keyframes([style({ opacity: 1 }), style({ opacity: 0 })])
+        ),
+        { optional: true }
+      )
+    ])
   ])
 ];
diff --git a/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.html b/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.html
new file mode 100644
index 00000000..2d9a2ceb
--- /dev/null
+++ b/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.html
@@ -0,0 +1,21 @@
+<div
+  id="fab-dismiss"
+  *ngIf="fabTogglerState === 'active'"
+  (click)="onToggleFab()"
+></div>
+<div class="fab-container">
+  <button mat-fab class="fab-toggler" (click)="onToggleFab()">
+    <mat-icon [@fabToggler]="fabTogglerState">add</mat-icon>
+  </button>
+  <div [@speedDialStagger]="buttons.length">
+    <button
+      *ngFor="let btn of buttons"
+      mat-mini-fab
+      class="fab-secondary"
+      color="secondary"
+      (click)="onClickButton(btn)"
+    >
+      <mat-icon>{{ btn.icon }}</mat-icon>
+    </button>
+  </div>
+</div>
diff --git a/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.scss b/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.scss
new file mode 100644
index 00000000..1c54954a
--- /dev/null
+++ b/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.scss
@@ -0,0 +1,34 @@
+.fab-container {
+  position: fixed;
+  bottom: 15px;
+  right: 15px;
+  z-index: 100;
+  display: flex;
+  flex-direction: column-reverse;
+  align-items: center;
+
+  > div {
+    display: flex;
+    flex-direction: column-reverse;
+    align-items: center;
+    margin-bottom: 5px;
+
+    button {
+      margin-bottom: 17px;
+    }
+  }
+}
+
+.fab-toggler {
+  float: right;
+  z-index: 100;
+}
+
+#fab-dismiss {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 99;
+}
diff --git a/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.spec.ts b/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.spec.ts
new file mode 100644
index 00000000..6f380aa2
--- /dev/null
+++ b/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.spec.ts
@@ -0,0 +1,27 @@
+/* tslint:disable:no-unused-variable */
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { By } from '@angular/platform-browser';
+import { DebugElement } from '@angular/core';
+
+import { FloatActionButtonComponent } from './float-action-button.component';
+
+describe('FloatActionButtonComponent', () => {
+  let component: FloatActionButtonComponent;
+  let fixture: ComponentFixture<FloatActionButtonComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [FloatActionButtonComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FloatActionButtonComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.ts b/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.ts
new file mode 100644
index 00000000..dcddea75
--- /dev/null
+++ b/projects/ucap-webmessenger-ui/src/lib/components/float-action-button.component.ts
@@ -0,0 +1,48 @@
+import { Component, OnInit, Input, Output, EventEmitter } from '@angular/core';
+import { ucapAnimations } from '@ucap-webmessenger/ui';
+
+export interface FloatActionButton {
+  /** Meterial Icon type */
+  icon: string;
+  divisionType?: string;
+}
+
+@Component({
+  selector: 'ucap-ui-float-action-button',
+  templateUrl: './float-action-button.component.html',
+  styleUrls: ['./float-action-button.component.scss'],
+  animations: ucapAnimations
+})
+export class FloatActionButtonComponent implements OnInit {
+  @Input()
+  fabButtons: FloatActionButton[] = [];
+  buttons = [];
+  fabTogglerState = 'inactive';
+
+  @Output()
+  buttonClick = new EventEmitter<{
+    btn: FloatActionButton;
+  }>();
+
+  constructor() {}
+  ngOnInit() {}
+
+  showItems() {
+    this.fabTogglerState = 'active';
+    this.buttons = this.fabButtons;
+  }
+
+  hideItems() {
+    this.fabTogglerState = 'inactive';
+    this.buttons = [];
+  }
+
+  onToggleFab() {
+    this.buttons.length ? this.hideItems() : this.showItems();
+  }
+
+  onClickButton(btn: FloatActionButton) {
+    this.hideItems();
+    this.buttonClick.emit({ btn });
+  }
+}
diff --git a/projects/ucap-webmessenger-ui/src/lib/components/index.ts b/projects/ucap-webmessenger-ui/src/lib/components/index.ts
new file mode 100644
index 00000000..b6169f49
--- /dev/null
+++ b/projects/ucap-webmessenger-ui/src/lib/components/index.ts
@@ -0,0 +1,7 @@
+import { FileUploadQueueComponent } from './file-upload-queue.component';
+import { FloatActionButtonComponent } from './float-action-button.component';
+
+export const UI_COMMON_COMPONENTS = [
+  FileUploadQueueComponent,
+  FloatActionButtonComponent
+];
diff --git a/projects/ucap-webmessenger-ui/src/lib/ucap-ui.module.ts b/projects/ucap-webmessenger-ui/src/lib/ucap-ui.module.ts
index ece8bd9b..bae52d48 100644
--- a/projects/ucap-webmessenger-ui/src/lib/ucap-ui.module.ts
+++ b/projects/ucap-webmessenger-ui/src/lib/ucap-ui.module.ts
@@ -12,7 +12,7 @@ import { MatSnackBarModule } from '@angular/material/snack-bar';
 
 import { DragDropModule } from '@angular/cdk/drag-drop';
 
-import { FileUploadQueueComponent } from './components/file-upload-queue.component';
+import { UI_COMMON_COMPONENTS } from './components/index';
 
 import { BottomSheetService } from './services/bottom-sheet.service';
 import { ClipboardService } from './services/clipboard.service';
@@ -30,7 +30,7 @@ import { BytesPipe } from './pipes/bytes.pipe';
 import { LinefeedToHtmlPipe, HtmlToLinefeedPipe } from './pipes/linefeed.pipe';
 import { DateToStringForChatRoomListPipe } from './pipes/dates.pipe';
 
-const COMPONENTS = [FileUploadQueueComponent];
+const COMPONENTS = [...UI_COMMON_COMPONENTS];
 const DIALOGS = [AlertDialogComponent, ConfirmDialogComponent];
 const DIRECTIVES = [
   ClickOutsideDirective,