diff --git a/application/Espo/Core/FieldValidation/FieldValidationManager.php b/application/Espo/Core/FieldValidation/FieldValidationManager.php
index cad0f6cb06..6a532b8d11 100644
--- a/application/Espo/Core/FieldValidation/FieldValidationManager.php
+++ b/application/Espo/Core/FieldValidation/FieldValidationManager.php
@@ -29,14 +29,16 @@
 
 namespace Espo\Core\FieldValidation;
 
-use Espo\Core\Utils\Database\Orm\Defs\EntityDefs;
+use Espo\Core\Utils\Log;
 use Espo\ORM\Defs;
 use Espo\ORM\Entity;
-
 use Espo\Core\FieldValidation\Exceptions\ValidationError;
 use Espo\Core\FieldValidation\Validator\Data;
 use Espo\Core\Utils\Metadata;
 use Espo\Core\Utils\FieldUtil;
+use Espo\Tools\DynamicLogic\ConditionCheckerFactory;
+use Espo\Tools\DynamicLogic\Exceptions\BadCondition;
+use Espo\Tools\DynamicLogic\Item as LogicItem;
 
 use LogicException;
 use stdClass;
@@ -59,7 +61,9 @@ class FieldValidationManager
         private FieldUtil $fieldUtil,
         CheckerFactory $factory,
         private ValidatorFactory $validatorFactory,
-        private Defs $defs
+        private Defs $defs,
+        private ConditionCheckerFactory $conditionCheckerFactory,
+        private Log $log,
     ) {
         $this->checkerFactory = $factory;
     }
@@ -107,30 +111,38 @@ class FieldValidationManager
     ): array {
 
         $dataIsSet = $data !== null;
+        $entityType = $entity->getEntityType();
 
         $data ??= (object) [];
         $params ??= new FieldValidationParams();
-
-        $fieldList = array_filter(
-            $this->fieldUtil->getEntityTypeFieldList($entity->getEntityType()),
-            fn ($field) => !in_array($field, $params->getSkipFieldList())
-        );
-
         $failureList = [];
-
-        $entityDefs = $this->defs->getEntity($entity->getEntityType());
+        $fieldList = $this->getFieldList($entityType, $params);
+        $entityDefs = $this->defs->getEntity($entityType);
 
         foreach ($fieldList as $field) {
+            $typeList = null;
+
             if (
                 !$entity->isNew() &&
                 $dataIsSet &&
                 !$entityDefs->tryGetField($field)?->getParam('forceValidation') &&
-                !$this->isFieldSetInData($entity->getEntityType(), $field, $data)
+                !$this->isFieldSetInData($entityType, $field, $data)
             ) {
-                continue;
+                if (!$this->hasRequiredLogic($entityType, $field)) {
+                    continue;
+                }
+
+                $typeList = [Type::REQUIRED];
             }
 
-            $itemFailureList = $this->processField($entity, $field, $params, $data, $throw);
+            $itemFailureList = $this->processField(
+                entity: $entity,
+                field: $field,
+                params: $params,
+                data: $data,
+                throw: $throw,
+                typeList: $typeList,
+            );
 
             $failureList = array_merge($failureList, $itemFailureList);
         }
@@ -193,6 +205,14 @@ class FieldValidationManager
         $validationValue = $value ?? $this->fieldUtil->getEntityTypeFieldParam($entityType, $field, $type);
         $isMandatory = in_array($type, $this->getMandatoryValidationList($entityType, $field));
 
+        if (
+            $type === Type::REQUIRED &&
+            !$validationValue &&
+            $this->checkDynamicLogicRequired($entity, $field)
+        ) {
+            $validationValue = true;
+        }
+
         $skip = !$isMandatory && (is_null($validationValue) || $validationValue === false);
 
         if ($skip) {
@@ -256,6 +276,7 @@ class FieldValidationManager
     }
 
     /**
+     * @param ?string[] $typeList
      * @return Failure[]
      * @throws ValidationError
      */
@@ -264,12 +285,17 @@ class FieldValidationManager
         string $field,
         FieldValidationParams $params,
         stdClass $data,
-        bool $throw
+        bool $throw,
+        ?array $typeList = null,
     ): array {
 
         $validationList = $this->getAllValidationList($entity->getEntityType(), $field, $params);
 
         foreach ($validationList as $type) {
+            if ($typeList !== null && !in_array($type, $typeList)) {
+                continue;
+            }
+
             $result = $this->check($entity, $field, $type, $data);
 
             if ($result) {
@@ -435,4 +461,44 @@ class FieldValidationManager
 
         return null;
     }
+
+    private function checkDynamicLogicRequired(Entity $entity, string $field): bool
+    {
+        $entityType = $entity->getEntityType();
+
+        /** @var stdClass[] $group */
+        $group = $this->metadata->getObjects("logicDefs.$entityType.fields.$field.required.conditionGroup");
+
+        if (!is_array($group)) {
+            return false;
+        }
+
+        $checker = $this->conditionCheckerFactory->create($entity);
+
+        try {
+            $item = LogicItem::fromGroupDefinition($group);
+
+            return $checker->check($item);
+        } catch (BadCondition $e) {
+            $this->log->warning("Bad logic condition for $entityType $field.", ['exception' => $e]);
+        }
+
+        return false;
+    }
+
+    /**
+     * @return string[]
+     */
+    private function getFieldList(string $entityType, FieldValidationParams $params): array
+    {
+        return array_filter(
+            $this->fieldUtil->getEntityTypeFieldList($entityType),
+            fn($field) => !in_array($field, $params->getSkipFieldList())
+        );
+    }
+
+    private function hasRequiredLogic(string $entityType, string $field): bool
+    {
+        return (bool) $this->metadata->get("logicDefs.$entityType.fields.$field.required");
+    }
 }
diff --git a/application/Espo/Core/FieldValidation/Type.php b/application/Espo/Core/FieldValidation/Type.php
new file mode 100644
index 0000000000..3f5adb252c
--- /dev/null
+++ b/application/Espo/Core/FieldValidation/Type.php
@@ -0,0 +1,38 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\FieldValidation;
+
+/**
+ * @since 9.1.0
+ */
+class Type
+{
+    public const REQUIRED = 'required';
+}
diff --git a/application/Espo/Tools/LeadCapture/CaptureService.php b/application/Espo/Tools/LeadCapture/CaptureService.php
index dd9da3e0ac..a2bd7c48ec 100644
--- a/application/Espo/Tools/LeadCapture/CaptureService.php
+++ b/application/Espo/Tools/LeadCapture/CaptureService.php
@@ -32,7 +32,8 @@ namespace Espo\Tools\LeadCapture;
 use Espo\Core\Exceptions\Forbidden;
 use Espo\Core\Field\Link;
 use Espo\Core\FieldValidation\Exceptions\ValidationError;
-use Espo\Core\FieldValidation\Failure;
+use Espo\Core\FieldValidation\Failure as ValidationFailure;
+use Espo\Core\FieldValidation\Type as ValidationType;
 use Espo\Core\Name\Field;
 use Espo\Core\PhoneNumber\Sanitizer as PhoneNumberSanitizer;
 use Espo\Core\Job\JobSchedulerFactory;
@@ -511,7 +512,7 @@ class CaptureService
             $lead->addLinkMultipleId(Field::TEAMS, $leadCapture->getTargetTeamId());
         }
 
-        $validationParams = ValidationParams::create()->withTypeSkipFieldList('required', $fieldList);
+        $validationParams = ValidationParams::create()->withTypeSkipFieldList(ValidationType::REQUIRED, $fieldList);
 
         $this->fieldValidationManager->process($lead, $data, $validationParams);
 
@@ -520,10 +521,10 @@ class CaptureService
                 continue;
             }
 
-            $notValid = $this->fieldValidationManager->check($lead, $field, 'required', $data, true);
+            $notValid = $this->fieldValidationManager->check($lead, $field, ValidationType::REQUIRED, $data, true);
 
             if (!$notValid) {
-                $failure = new Failure(Lead::ENTITY_TYPE, $field, 'required');
+                $failure = new ValidationFailure(Lead::ENTITY_TYPE, $field, ValidationType::REQUIRED);
 
                 throw ValidationError::create($failure);
             }
diff --git a/tests/integration/Espo/Record/FieldValidationTest.php b/tests/integration/Espo/Record/FieldValidationTest.php
index bc4c7e05f0..6ca797f508 100644
--- a/tests/integration/Espo/Record/FieldValidationTest.php
+++ b/tests/integration/Espo/Record/FieldValidationTest.php
@@ -31,6 +31,7 @@ namespace tests\integration\Espo\Record;
 
 use Espo\Core\Application;
 use Espo\Core\Exceptions\BadRequest;
+use Espo\Core\FieldValidation\Type;
 use Espo\Core\Record\CreateParams;
 use Espo\Core\Record\ServiceContainer;
 use Espo\Core\Record\UpdateParams;
@@ -515,4 +516,63 @@ class FieldValidationTest extends BaseTestCase
 
         $this->assertTrue($thrown);
     }
+
+    /**
+     * @noinspection PhpUnhandledExceptionInspection
+     */
+    public function testDynamicLogicRequired(): void
+    {
+        $metadata = $this->getMetadata();
+
+        $metadata->set('logicDefs', Account::ENTITY_TYPE, [
+            'fields' => [
+                'description' => [
+                    Type::REQUIRED => [
+                        'conditionGroup' => [
+                            [
+                                'type' => 'equals',
+                                'attribute' => 'type',
+                                'value' => 'Customer',
+                            ]
+                        ]
+                    ]
+                ]
+            ]
+        ]);
+
+        $metadata->save();
+
+        $this->reCreateApplication();
+
+        $service = $this->getContainer()->getByClass(ServiceContainer::class)->getByClass(Account::class);
+
+        $account = $service->create((object) [
+            'name' => 'Test',
+        ], CreateParams::create());
+
+        $isThrown = false;
+
+        try {
+            $service->update($account->getId(), (object) [
+                'type' => 'Customer',
+            ], UpdateParams::create());
+        } catch (BadRequest) {
+            $isThrown = true;
+        }
+
+        $this->assertTrue($isThrown);
+
+        $isThrown = false;
+
+        try {
+            $service->update($account->getId(), (object) [
+                'type' => 'Customer',
+                'description' => 'Test.',
+            ], UpdateParams::create());
+        } catch (BadRequest) {
+            $isThrown = true;
+        }
+
+        $this->assertFalse($isThrown);
+    }
 }