diff --git a/Parser/Client/Browser.php b/Parser/Client/Browser.php
index 810f25e017..7acb3d8e07 100644
--- a/Parser/Client/Browser.php
+++ b/Parser/Client/Browser.php
@@ -663,6 +663,7 @@ class Browser extends AbstractClientParser
         'YG' => 'YAGI',
         'YJ' => 'Yahoo! Japan Browser',
         'YA' => 'Yandex Browser',
+        'Y4' => 'Yandex Browser Corp',
         'YL' => 'Yandex Browser Lite',
         'YN' => 'Yaani Browser',
         'Y2' => 'Yo Browser',
diff --git a/Tests/Parser/Client/fixtures/browser.yml b/Tests/Parser/Client/fixtures/browser.yml
index 8fa02c5c7a..d1a52a18f8 100644
--- a/Tests/Parser/Client/fixtures/browser.yml
+++ b/Tests/Parser/Client/fixtures/browser.yml
@@ -9711,3 +9711,30 @@
     engine: WebKit
     engine_version: 604.1.38
     family: Safari
+-
+  user_agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.870 YaBrowser/24.1.3.870 (corp-ext) Yowser/2.5 Safari/537.36
+  client:
+    type: browser
+    name: Yandex Browser Corp
+    version: 24.1.3.870
+    engine: Blink
+    engine_version: 120.0.6099.870
+    family: ""
+-
+  user_agent: Mozilla/5.0 (Linux 6.1.57; ; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.234 Not_A Brand/8 YaBrowser/24.1.3.845 YaBrowserCorp/120 Yowser/2.5 Safari/537.36
+  client:
+    type: browser
+    name: Yandex Browser Corp
+    version: 24.1.3.845
+    engine: Blink
+    engine_version: 120.0.6099.234
+    family: ""
+-
+  user_agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 YaBrowser/23.7.1.1217 (corp) Yowser/2.5 Safari/537.36
+  client:
+    type: browser
+    name: Yandex Browser Corp
+    version: 23.7.1.1217
+    engine: Blink
+    engine_version: 114.0.0.0
+    family: ""
diff --git a/regexes/client/browsers.yml b/regexes/client/browsers.yml
index 709adc53dc..739c12c9f9 100644
--- a/regexes/client/browsers.yml
+++ b/regexes/client/browsers.yml
@@ -2264,6 +2264,12 @@
   version: '$1'
   engine:
     default: 'Blink'
+# Yandex Browser Corp (https://browser.yandex.ru/corp)
+- regex: 'YaBrowser/(\d+[\.\d]*).*corp'
+  name: 'Yandex Browser Corp'
+  version: '$1'
+  engine:
+    default: 'Blink'
 #Yandex Browser
 - regex: 'YaBrowser(?:/(\d+[\.\d]*))(?: \((alpha|beta)\))?'
   name: 'Yandex Browser'