diff --git a/src/StaticUtil/AbstractStaticUtil.php b/src/StaticUtil/AbstractStaticUtil.php
new file mode 100644
index 00000000..72639ee9
--- /dev/null
+++ b/src/StaticUtil/AbstractStaticUtil.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace HeimrichHannot\UtilsBundle\StaticUtil;
+
+/**
+ * @internal
+ * @codeCoverageIgnore
+ */
+abstract class AbstractStaticUtil
+{
+    public function __call(string $name, array $arguments)
+    {
+        return static::$name(...$arguments);
+    }
+}
\ No newline at end of file
diff --git a/src/StaticUtil/SUtils.php b/src/StaticUtil/SUtils.php
new file mode 100644
index 00000000..762d9426
--- /dev/null
+++ b/src/StaticUtil/SUtils.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace HeimrichHannot\UtilsBundle\StaticUtil;
+
+class SUtils
+{
+    protected static array $instances = [];
+
+    public static function array(): StaticArrayUtil
+    {
+        return static::getInstance(StaticArrayUtil::class);
+    }
+
+    public static function class(): StaticClassUtil
+    {
+        return static::getInstance(StaticClassUtil::class);
+    }
+
+    /**
+     * @template T
+     * @param class-string<T> $class
+     * @return T The instance of the given class.
+     */
+    protected static function getInstance(string $class): object
+    {
+        if (!isset(static::$instances[$class])) {
+            static::$instances[$class] = new $class;
+        }
+
+        return static::$instances[$class];
+    }
+}
\ No newline at end of file
diff --git a/src/StaticUtil/StaticArrayUtil.php b/src/StaticUtil/StaticArrayUtil.php
new file mode 100644
index 00000000..35527399
--- /dev/null
+++ b/src/StaticUtil/StaticArrayUtil.php
@@ -0,0 +1,100 @@
+<?php
+
+namespace HeimrichHannot\UtilsBundle\StaticUtil;
+
+class StaticArrayUtil extends AbstractStaticUtil
+{
+    /**
+     * Insert a new entry before a specific or multiple keys in array.
+     * If the keys not exist, the new entry is added to the end of the array.
+     * Array is passed as reference.
+     *
+     * @param array        $array    Array the new entry should inserted to
+     * @param array|string $keys     The key or keys where the new entry should be added before
+     * @param string       $newKey   The key of the entry that should be added
+     * @param mixed        $newValue The value of the entry that should be added
+     */
+    public static function insertBeforeKey(array &$array, array|string $keys, string $newKey, mixed $newValue): void
+    {
+        if (!is_array($keys)) {
+            $keys = [$keys];
+        }
+
+        if (array_intersect($keys, array_keys($array))) {
+            $new = [];
+
+            foreach ($array as $k => $value) {
+                if (\in_array($k, $keys)) {
+                    $new[$newKey] = $newValue;
+                }
+                $new[$k] = $value;
+            }
+            $array = $new;
+        } else {
+            $array[$newKey] = $newValue;
+        }
+    }
+
+    /**
+     * Insert a value into an existing array by key name.
+     *
+     * Additional options:
+     * - (bool) strict: Strict behavior for array search. Default false
+     * - (bool) attachMissingKey: Attach value to the end of the array if the key does not exist. Default: true
+     * - (int) offset: Add additional offset.
+     *
+     * @param array  $array   The target array
+     * @param string $key     the existing target key in the array
+     * @param mixed  $value   the new value to be inserted
+     * @param array{
+     *     strict?: bool,
+     *     attachMissingKey?: bool,
+     *     offset?: int
+     * } $options Additional options
+     */
+    public static function insertAfterKey(array &$array, string $key, mixed $value, string $newKey = null, array $options = []): void
+    {
+        $options = array_merge([
+            'strict' => false,
+            'attachMissingKey' => true,
+            'offset' => 0,
+        ], $options);
+
+        $keys = array_keys($array);
+        $index = array_search($key, $keys, $options['strict']);
+
+        if (false === $index && false === $options['attachMissingKey']) {
+            return;
+        }
+        $pos = false === $index ? count($array) : $index + 1;
+        $pos = $pos + $options['offset'];
+
+        if ($newKey) {
+            $value = [$newKey => $value];
+        } else {
+            $value = [$value];
+        }
+
+        $array = array_combine(
+            array_merge(array_slice($keys, 0, $pos), array_keys($value), array_slice($keys, $pos)),
+            array_merge(array_slice($array, 0, $pos), $value, array_slice($array, $pos))
+        );
+    }
+
+    /**
+     * Removes a value from an array.
+     *
+     * @return bool Returns true if the value has been found and removed, false in other cases
+     */
+    public static function removeValue(mixed $value, array &$array): bool
+    {
+        $position = array_search($value, $array);
+
+        if (false !== $position) {
+            unset($array[$position]);
+            return true;
+        }
+
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/src/StaticUtil/StaticClassUtil.php b/src/StaticUtil/StaticClassUtil.php
new file mode 100644
index 00000000..d7cf1fd0
--- /dev/null
+++ b/src/StaticUtil/StaticClassUtil.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace HeimrichHannot\UtilsBundle\StaticUtil;
+
+class StaticClassUtil extends AbstractStaticUtil
+{
+    /**
+     * Check if a class or any of its parents implements a trait.
+     *
+     * @param object|class-string $class The class to check.
+     * @param class-string $trait The trait to check for.
+     * @return bool True if the class or any of its parents implements the trait, false otherwise.
+     */
+    public static function hasTrait(object|string $class, string $trait): bool
+    {
+        do {
+            if (in_array($trait, class_uses($class))) {
+                return true;
+            }
+        } while ($class = get_parent_class($class));
+
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/src/Util/ArrayUtil.php b/src/Util/ArrayUtil.php
index 2fc51284..e87e15ba 100644
--- a/src/Util/ArrayUtil.php
+++ b/src/Util/ArrayUtil.php
@@ -8,6 +8,8 @@
 
 namespace HeimrichHannot\UtilsBundle\Util;
 
+use HeimrichHannot\UtilsBundle\StaticUtil\StaticArrayUtil;
+
 class ArrayUtil
 {
     /**
@@ -19,26 +21,12 @@ class ArrayUtil
      * @param array|string $keys     The key or keys where the new entry should be added before
      * @param string       $newKey   The key of the entry that should be added
      * @param mixed        $newValue The value of the entry that should be added
+     *
+     * @deprecated Use {@see StaticArrayUtil::insertBeforeKey() SUtil::array()->insertBeforeKey(...)} instead.
      */
     public static function insertBeforeKey(array &$array, array|string $keys, string $newKey, mixed $newValue): void
     {
-        if (!\is_array($keys)) {
-            $keys = [$keys];
-        }
-
-        if (array_intersect($keys, array_keys($array))) {
-            $new = [];
-
-            foreach ($array as $k => $value) {
-                if (\in_array($k, $keys)) {
-                    $new[$newKey] = $newValue;
-                }
-                $new[$k] = $value;
-            }
-            $array = $new;
-        } else {
-            $array[$newKey] = $newValue;
-        }
+        StaticArrayUtil::insertBeforeKey($array, $keys, $newKey, $newValue);
     }
 
     /**
@@ -47,59 +35,36 @@ public static function insertBeforeKey(array &$array, array|string $keys, string
      * Additional options:
      * - (bool) strict: Strict behavior for array search. Default false
      * - (bool) attachIfKeyNotExist: Attach value at the end of the array if key not exist. Default: true
-     * - (int) offset: Add an additional offset
+     * - (int) offset: Add additional offset
      *
      * @param array  $array   The target array
      * @param string $key     the existing target key in the array
      * @param mixed  $value   the new value to be inserted
      * @param array{
-     *           strict?: bool,
-     *          attachIfKeyNotExist?: bool,
-     *             offset?: int
+     *     strict?: bool,
+     *     attachIfKeyNotExist?: bool,
+     *     offset?: int
      * } $options Additional options
+     *
+     * @deprecated Use {@see StaticArrayUtil::insertAfterKey() SUtil::array()->insertAfterKey(...)} instead.
+     *             Beware: The option keys have changed!
      */
     public function insertAfterKey(array &$array, string $key, mixed $value, string $newKey = null, array $options = []): void
     {
-        $options = array_merge([
-            'strict' => false,
-            'attachIfKeyNotExist' => true,
-            'offset' => 0,
-        ], $options);
-
-        $keys = array_keys($array);
-        $index = array_search($key, $keys, $options['strict']);
+        $options['attachMissingKey'] ??= $options['attachIfKeyNotExist'] ?? true;
 
-        if (false === $index && false === $options['attachIfKeyNotExist']) {
-            return;
-        }
-        $pos = false === $index ? \count($array) : $index + 1;
-        $pos = $pos + $options['offset'];
-
-        if ($newKey) {
-            $value = [$newKey => $value];
-        } else {
-            $value = [$value];
-        }
-
-        $array = array_combine(
-            array_merge(\array_slice($keys, 0, $pos), array_keys($value), \array_slice($keys, $pos)),
-            array_merge(\array_slice($array, 0, $pos), $value, \array_slice($array, $pos))
-        );
+        StaticArrayUtil::insertAfterKey($array, $key, $value, $newKey, $options);
     }
 
     /**
-     * Removes a value in an array.
+     * Removes a value from an array.
+     *
+     * @return bool True if the value was found and removed, false otherwise.
      *
-     * @return bool Returns true if the value has been found and removed, false in other cases
+     * @deprecated Use {@see StaticArrayUtil::removeValue() SUtil::array()->removeValue(...)} instead.
      */
     public function removeValue(mixed $value, array &$array): bool
     {
-        if (false !== ($intPosition = array_search($value, $array))) {
-            unset($array[$intPosition]);
-
-            return true;
-        }
-
-        return false;
+        return StaticArrayUtil::removeValue($value, $array);
     }
 }
diff --git a/src/Util/ClassUtil.php b/src/Util/ClassUtil.php
index 98193398..70347af4 100644
--- a/src/Util/ClassUtil.php
+++ b/src/Util/ClassUtil.php
@@ -2,20 +2,17 @@
 
 namespace HeimrichHannot\UtilsBundle\Util;
 
+use HeimrichHannot\UtilsBundle\StaticUtil\StaticClassUtil;
+
 class ClassUtil
 {
     /**
      * Return true if the given class or a parent class implements the given trait
+     *
+     * @deprecated Use {@see StaticClassUtil::hasTrait() SUtil::class()->hasTrait(...)} instead.
      */
     public function classImplementsTrait(object|string $class, string $trait): bool
     {
-        do {
-            if (in_array($trait, class_uses($class))) {
-                return true;
-            }
-
-        } while($class = get_parent_class($class));
-
-        return false;
+        return StaticClassUtil::hasTrait($class, $trait);
     }
 }
\ No newline at end of file
diff --git a/tests/StaticUtil/SUtilsTest.php b/tests/StaticUtil/SUtilsTest.php
new file mode 100644
index 00000000..bddaba0d
--- /dev/null
+++ b/tests/StaticUtil/SUtilsTest.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace HeimrichHannot\UtilsBundle\Tests\StaticUtil;
+
+use Contao\TestCase\ContaoTestCase;
+use HeimrichHannot\UtilsBundle\StaticUtil\StaticArrayUtil;
+use HeimrichHannot\UtilsBundle\StaticUtil\StaticClassUtil;
+use HeimrichHannot\UtilsBundle\StaticUtil\SUtils;
+
+class SUtilsTest extends ContaoTestCase
+{
+    public function testSUtils()
+    {
+        $this->assertInstanceOf(StaticArrayUtil::class, SUtils::array());
+        $this->assertInstanceOf(StaticClassUtil::class, SUtils::class());
+    }
+}
\ No newline at end of file
diff --git a/tests/StaticUtil/StaticArrayUtilTest.php b/tests/StaticUtil/StaticArrayUtilTest.php
new file mode 100644
index 00000000..5f9039ff
--- /dev/null
+++ b/tests/StaticUtil/StaticArrayUtilTest.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace HeimrichHannot\UtilsBundle\Tests\StaticUtil;
+
+use Contao\TestCase\ContaoTestCase;
+use HeimrichHannot\UtilsBundle\StaticUtil\StaticArrayUtil;
+use PHPUnit\Framework\MockObject\MockBuilder;
+
+class StaticArrayUtilTest extends ContaoTestCase
+{
+    public function getTestInstance(array $parameters = [], ?MockBuilder $mockBuilder = null): StaticArrayUtil
+    {
+        return new StaticArrayUtil();
+    }
+
+    public function testInsertBeforeKey(): void
+    {
+        $instance = $this->getTestInstance();
+        $array = ['a' => 'A', 'b' => 'B', 'c' => 'C'];
+
+        $instance::insertBeforeKey($array, 'e', 'f', 'F');
+        $this->assertSame(
+            ['a' => 'A', 'b' => 'B', 'c' => 'C', 'f' => 'F'], $array);
+
+        $instance::insertBeforeKey($array, ['z'], 'h', 'H');
+        $this->assertSame(
+            ['a' => 'A', 'b' => 'B', 'c' => 'C', 'f' => 'F', 'h' => 'H'], $array);
+
+        $instance::insertBeforeKey($array, ['f', 'h'], 'd', 'D');
+        $this->assertSame(
+            ['a' => 'A', 'b' => 'B', 'c' => 'C', 'd' => 'D', 'f' => 'F', 'h' => 'H'], $array);
+    }
+
+    public function testInsertAfterKey()
+    {
+        $arrayUtil = $this->getTestInstance();
+
+        $target = ['hello' => 'world'];
+        $arrayUtil->insertAfterKey($target, 'foo', 'bar');
+        $this->assertSame(['hello' => 'world', 0 => 'bar'], $target);
+
+        $target = ['hello' => 'world'];
+        $arrayUtil->insertAfterKey($target, 'foo', 'bar', 'foobar');
+        $this->assertSame(['hello' => 'world', 'foobar' => 'bar'], $target);
+
+        $target = ['hello' => 'world'];
+        $arrayUtil->insertAfterKey($target, 'foo', 'bar', null, ['attachMissingKey' => false]);
+        $this->assertSame(['hello' => 'world'], $target);
+
+        $target = ['hello' => 'world', 'foo' => 'bar', 'heimrich' => 'hannot'];
+        $arrayUtil->insertAfterKey($target, 'hello', 'camp', 'contao', ['offset' => 1]);
+        $this->assertSame(['hello' => 'world', 'foo' => 'bar', 'contao' => 'camp', 'heimrich' => 'hannot'], $target);
+
+        $target = ['1' => 'world', 'foo' => 'bar', 'heimrich' => 'hannot'];
+        $arrayUtil->insertAfterKey($target, 1, 'camp', 'contao', ['strict' => false]);
+        $this->assertSame(['1' => 'world', 'contao' => 'camp', 'foo' => 'bar', 'heimrich' => 'hannot'], $target);
+
+        $target = ['1' => 'world', 'foo' => 'bar', 'heimrich' => 'hannot'];
+        $arrayUtil->insertAfterKey($target, 1, 'camp', 'contao', ['strict' => true]);
+        $this->assertSame(['1' => 'world', 'foo' => 'bar', 'heimrich' => 'hannot', 'contao' => 'camp'], $target);
+    }
+
+    public function testRemoveValue()
+    {
+        $arrayUtil = $this->getTestInstance();
+
+        $array = [0 => 0, 1 => 1, 2 => 2];
+        $result = $arrayUtil->removeValue(1, $array);
+        $this->assertTrue($result);
+        $this->assertCount(2, $array);
+        $this->assertArrayHasKey(0, $array);
+        $this->assertArrayHasKey(2, $array);
+
+        $result = $arrayUtil->removeValue(1, $array);
+        $this->assertFalse($result);
+    }
+}
\ No newline at end of file
diff --git a/tests/Util/Type/ArrayUtilTest.php b/tests/Util/Type/ArrayUtilTest.php
index da878b00..b6cd3b1b 100644
--- a/tests/Util/Type/ArrayUtilTest.php
+++ b/tests/Util/Type/ArrayUtilTest.php
@@ -14,7 +14,7 @@
 
 class ArrayUtilTest extends AbstractUtilsTestCase
 {
-    public function getTestInstance(array $parameters = [], ?MockBuilder $mockBuilder = null)
+    public function getTestInstance(array $parameters = [], ?MockBuilder $mockBuilder = null): ArrayUtil
     {
         return new ArrayUtil();
     }