diff --git a/config/set/per-cs.php b/config/set/per-cs.php
new file mode 100644
index 0000000000..baa93f014a
--- /dev/null
+++ b/config/set/per-cs.php
@@ -0,0 +1,175 @@
+<?php
+
+declare(strict_types=1);
+
+use PhpCsFixer\Fixer\ArrayNotation\ArraySyntaxFixer;
+use PhpCsFixer\Fixer\AttributeNotation\AttributeBlockNoSpacesFixer;
+use PhpCsFixer\Fixer\Basic\BracesPositionFixer;
+use PhpCsFixer\Fixer\Basic\EncodingFixer;
+use PhpCsFixer\Fixer\Basic\NoMultipleStatementsPerLineFixer;
+use PhpCsFixer\Fixer\Basic\SingleLineEmptyBodyFixer;
+use PhpCsFixer\Fixer\Casing\ConstantCaseFixer;
+use PhpCsFixer\Fixer\Casing\LowercaseKeywordsFixer;
+use PhpCsFixer\Fixer\Casing\LowercaseStaticReferenceFixer;
+use PhpCsFixer\Fixer\CastNotation\CastSpacesFixer;
+use PhpCsFixer\Fixer\CastNotation\LowercaseCastFixer;
+use PhpCsFixer\Fixer\CastNotation\ShortScalarCastFixer;
+use PhpCsFixer\Fixer\ClassNotation\ClassDefinitionFixer;
+use PhpCsFixer\Fixer\ClassNotation\ModifierKeywordsFixer;
+use PhpCsFixer\Fixer\ClassNotation\NoBlankLinesAfterClassOpeningFixer;
+use PhpCsFixer\Fixer\ClassNotation\OrderedClassElementsFixer;
+use PhpCsFixer\Fixer\ClassNotation\OrderedTypesFixer;
+use PhpCsFixer\Fixer\ClassNotation\SingleClassElementPerStatementFixer;
+use PhpCsFixer\Fixer\ClassNotation\SingleTraitInsertPerStatementFixer;
+use PhpCsFixer\Fixer\Comment\NoTrailingWhitespaceInCommentFixer;
+use PhpCsFixer\Fixer\ControlStructure\ControlStructureBracesFixer;
+use PhpCsFixer\Fixer\ControlStructure\ControlStructureContinuationPositionFixer;
+use PhpCsFixer\Fixer\ControlStructure\ElseifFixer;
+use PhpCsFixer\Fixer\ControlStructure\NoBreakCommentFixer;
+use PhpCsFixer\Fixer\ControlStructure\SwitchCaseSemicolonToColonFixer;
+use PhpCsFixer\Fixer\ControlStructure\SwitchCaseSpaceFixer;
+use PhpCsFixer\Fixer\ControlStructure\TrailingCommaInMultilineFixer;
+use PhpCsFixer\Fixer\FunctionNotation\FunctionDeclarationFixer;
+use PhpCsFixer\Fixer\FunctionNotation\MethodArgumentSpaceFixer;
+use PhpCsFixer\Fixer\FunctionNotation\NoSpacesAfterFunctionNameFixer;
+use PhpCsFixer\Fixer\FunctionNotation\ReturnTypeDeclarationFixer;
+use PhpCsFixer\Fixer\Import\NoLeadingImportSlashFixer;
+use PhpCsFixer\Fixer\Import\OrderedImportsFixer;
+use PhpCsFixer\Fixer\Import\SingleImportPerStatementFixer;
+use PhpCsFixer\Fixer\Import\SingleLineAfterImportsFixer;
+use PhpCsFixer\Fixer\LanguageConstruct\DeclareEqualNormalizeFixer;
+use PhpCsFixer\Fixer\LanguageConstruct\NullableTypeDeclarationFixer;
+use PhpCsFixer\Fixer\LanguageConstruct\SingleSpaceAroundConstructFixer;
+use PhpCsFixer\Fixer\NamespaceNotation\BlankLineAfterNamespaceFixer;
+use PhpCsFixer\Fixer\NamespaceNotation\BlankLinesBeforeNamespaceFixer;
+use PhpCsFixer\Fixer\Operator\BinaryOperatorSpacesFixer;
+use PhpCsFixer\Fixer\Operator\ConcatSpaceFixer;
+use PhpCsFixer\Fixer\Operator\NewWithParenthesesFixer;
+use PhpCsFixer\Fixer\Operator\NoSpaceAroundDoubleColonFixer;
+use PhpCsFixer\Fixer\Operator\OperatorLinebreakFixer;
+use PhpCsFixer\Fixer\Operator\TernaryOperatorSpacesFixer;
+use PhpCsFixer\Fixer\Operator\UnaryOperatorSpacesFixer;
+use PhpCsFixer\Fixer\PhpTag\BlankLineAfterOpeningTagFixer;
+use PhpCsFixer\Fixer\PhpTag\FullOpeningTagFixer;
+use PhpCsFixer\Fixer\PhpTag\NoClosingTagFixer;
+use PhpCsFixer\Fixer\Whitespace\ArrayIndentationFixer;
+use PhpCsFixer\Fixer\Whitespace\BlankLineBetweenImportGroupsFixer;
+use PhpCsFixer\Fixer\Whitespace\CompactNullableTypeDeclarationFixer;
+use PhpCsFixer\Fixer\Whitespace\IndentationTypeFixer;
+use PhpCsFixer\Fixer\Whitespace\LineEndingFixer;
+use PhpCsFixer\Fixer\Whitespace\NoExtraBlankLinesFixer;
+use PhpCsFixer\Fixer\Whitespace\NoTrailingWhitespaceFixer;
+use PhpCsFixer\Fixer\Whitespace\NoWhitespaceInBlankLineFixer;
+use PhpCsFixer\Fixer\Whitespace\SingleBlankLineAtEofFixer;
+use PhpCsFixer\Fixer\Whitespace\SpacesInsideParenthesesFixer;
+use PhpCsFixer\Fixer\Whitespace\StatementIndentationFixer;
+use PhpCsFixer\Fixer\Whitespace\TypesSpacesFixer;
+use Symplify\EasyCodingStandard\Config\ECSConfig;
+
+// PER Coding Style 3.0, mirrors PHP-CS-Fixer @PER-CS3x0 set (non-risky rules only)
+return ECSConfig::configure()
+    ->withConfiguredRule(BinaryOperatorSpacesFixer::class, [
+        'default' => 'at_least_single_space',
+    ])
+    ->withConfiguredRule(BracesPositionFixer::class, [
+        'allow_single_line_anonymous_functions' => false,
+        'allow_single_line_empty_anonymous_classes' => true,
+    ])
+    ->withConfiguredRule(ClassDefinitionFixer::class, [
+        'inline_constructor_arguments' => false,
+        'space_before_parenthesis' => true,
+    ])
+    ->withConfiguredRule(ConcatSpaceFixer::class, [
+        'spacing' => 'one',
+    ])
+    ->withConfiguredRule(FunctionDeclarationFixer::class, [
+        'closure_fn_spacing' => 'none',
+    ])
+    ->withConfiguredRule(MethodArgumentSpaceFixer::class, [
+        'after_heredoc' => false,
+    ])
+    ->withConfiguredRule(NewWithParenthesesFixer::class, [
+        'anonymous_class' => false,
+    ])
+    ->withConfiguredRule(NoExtraBlankLinesFixer::class, [
+        'tokens' => ['use'],
+    ])
+    ->withConfiguredRule(OrderedClassElementsFixer::class, [
+        'order' => ['use_trait'],
+    ])
+    ->withConfiguredRule(OrderedImportsFixer::class, [
+        'imports_order' => ['class', 'function', 'const'],
+        'sort_algorithm' => 'none',
+    ])
+    ->withConfiguredRule(OrderedTypesFixer::class, [
+        'null_adjustment' => 'always_last',
+        'sort_algorithm' => 'none',
+    ])
+    ->withConfiguredRule(SingleImportPerStatementFixer::class, [
+        'group_to_single_imports' => false,
+    ])
+    ->withConfiguredRule(SingleSpaceAroundConstructFixer::class, [
+        'constructs_followed_by_a_single_space' => [
+            'abstract', 'as', 'case', 'catch', 'class', 'const', 'const_import', 'do', 'else', 'elseif',
+            'enum', 'final', 'finally', 'for', 'foreach', 'function', 'function_import', 'if', 'insteadof',
+            'interface', 'match', 'named_argument', 'namespace', 'new', 'private', 'protected', 'public',
+            'readonly', 'static', 'switch', 'trait', 'try', 'type_colon', 'use', 'use_lambda', 'while',
+        ],
+        'constructs_preceded_by_a_single_space' => ['as', 'else', 'elseif', 'use_lambda'],
+    ])
+    ->withConfiguredRule(TrailingCommaInMultilineFixer::class, [
+        'after_heredoc' => true,
+        'elements' => ['arguments', 'array_destructuring', 'arrays', 'match', 'parameters'],
+    ])
+    ->withConfiguredRule(UnaryOperatorSpacesFixer::class, [
+        'only_dec_inc' => true,
+    ])
+    ->withRules([
+        ArrayIndentationFixer::class,
+        ArraySyntaxFixer::class,
+        AttributeBlockNoSpacesFixer::class,
+        BlankLineAfterNamespaceFixer::class,
+        BlankLineAfterOpeningTagFixer::class,
+        BlankLineBetweenImportGroupsFixer::class,
+        BlankLinesBeforeNamespaceFixer::class,
+        CastSpacesFixer::class,
+        CompactNullableTypeDeclarationFixer::class,
+        ConstantCaseFixer::class,
+        ControlStructureBracesFixer::class,
+        ControlStructureContinuationPositionFixer::class,
+        DeclareEqualNormalizeFixer::class,
+        ElseifFixer::class,
+        EncodingFixer::class,
+        FullOpeningTagFixer::class,
+        IndentationTypeFixer::class,
+        LineEndingFixer::class,
+        LowercaseCastFixer::class,
+        LowercaseKeywordsFixer::class,
+        LowercaseStaticReferenceFixer::class,
+        ModifierKeywordsFixer::class,
+        NoBlankLinesAfterClassOpeningFixer::class,
+        NoBreakCommentFixer::class,
+        NoClosingTagFixer::class,
+        NoLeadingImportSlashFixer::class,
+        NoMultipleStatementsPerLineFixer::class,
+        NoSpaceAroundDoubleColonFixer::class,
+        NoSpacesAfterFunctionNameFixer::class,
+        NoTrailingWhitespaceFixer::class,
+        NoTrailingWhitespaceInCommentFixer::class,
+        NoWhitespaceInBlankLineFixer::class,
+        NullableTypeDeclarationFixer::class,
+        OperatorLinebreakFixer::class,
+        ReturnTypeDeclarationFixer::class,
+        ShortScalarCastFixer::class,
+        SingleBlankLineAtEofFixer::class,
+        SingleClassElementPerStatementFixer::class,
+        SingleLineAfterImportsFixer::class,
+        SingleLineEmptyBodyFixer::class,
+        SingleTraitInsertPerStatementFixer::class,
+        SpacesInsideParenthesesFixer::class,
+        StatementIndentationFixer::class,
+        SwitchCaseSemicolonToColonFixer::class,
+        SwitchCaseSpaceFixer::class,
+        TernaryOperatorSpacesFixer::class,
+        TypesSpacesFixer::class,
+    ]);
diff --git a/src/Configuration/ECSConfigBuilder.php b/src/Configuration/ECSConfigBuilder.php
index 3713e88535..f5a61a0722 100644
--- a/src/Configuration/ECSConfigBuilder.php
+++ b/src/Configuration/ECSConfigBuilder.php
@@ -201,6 +201,8 @@ public function withRootFiles(): self
     public function withPreparedSets(
         /** @see SetList::PSR_12 */
         bool $psr12 = false,
+        /** @see SetList::PER_CS */
+        bool $perCs = false,
         /** @see SetList::COMMON */
         bool $common = false,
         /** @see SetList::LARAVEL */
@@ -238,6 +240,10 @@ public function withPreparedSets(
             $this->sets[] = SetList::PSR_12;
         }
 
+        if ($perCs) {
+            $this->sets[] = SetList::PER_CS;
+        }
+
         if ($common) {
             // include all "common" sets
             $this->sets[] = SetList::COMMON;
diff --git a/src/ValueObject/Set/SetList.php b/src/ValueObject/Set/SetList.php
index 9e7025bef1..9cbe35a7fd 100644
--- a/src/ValueObject/Set/SetList.php
+++ b/src/ValueObject/Set/SetList.php
@@ -14,6 +14,11 @@ final class SetList
      */
     public const string PSR_12 = __DIR__ . '/../../../config/set/psr12.php';
 
+    /**
+     * @api
+     */
+    public const string PER_CS = __DIR__ . '/../../../config/set/per-cs.php';
+
     /**
      * @api
      */
diff --git a/tests/Set/PerCs/Fixture/fixture.php.inc b/tests/Set/PerCs/Fixture/fixture.php.inc
new file mode 100644
index 0000000000..c0920e1417
--- /dev/null
+++ b/tests/Set/PerCs/Fixture/fixture.php.inc
@@ -0,0 +1,26 @@
+<?php
+declare(strict_types=1);
+namespace App;
+class Sample{
+    public function run(null|int $a,array $items=array()):bool{
+        $result = $a
+            && count($items) > 0;
+        return $result;
+    }
+}
+-----
+<?php
+
+declare(strict_types=1);
+
+namespace App;
+
+class Sample
+{
+    public function run(?int $a, array $items = []): bool
+    {
+        $result = $a
+            && count($items) > 0;
+        return $result;
+    }
+}
diff --git a/tests/Set/PerCs/PerCsTest.php b/tests/Set/PerCs/PerCsTest.php
new file mode 100644
index 0000000000..35912f8ce8
--- /dev/null
+++ b/tests/Set/PerCs/PerCsTest.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Symplify\EasyCodingStandard\Tests\Set\PerCs;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Symplify\EasyCodingStandard\Testing\PHPUnit\AbstractCheckerTestCase;
+use Symplify\EasyCodingStandard\ValueObject\Set\SetList;
+
+final class PerCsTest extends AbstractCheckerTestCase
+{
+    #[DataProvider('provideData')]
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): Iterator
+    {
+        return self::yieldFiles(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfig(): string
+    {
+        return SetList::PER_CS;
+    }
+}