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diff --git a/src/gpu/cl/kernels/ClWidthConcatenate4TensorsKernel.h b/src/gpu/cl/kernels/ClWidthConcatenate4TensorsKernel.h
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+++ b/src/gpu/cl/kernels/ClWidthConcatenate4TensorsKernel.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2021-2022 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef ARM_COMPUTE_CL_WIDTH_CONCATENATE_4TENSORS_KERNEL_H
+#define ARM_COMPUTE_CL_WIDTH_CONCATENATE_4TENSORS_KERNEL_H
+
+#include "src/core/common/Macros.h"
+#include "src/gpu/cl/ClCompileContext.h"
+#include "src/gpu/cl/IClKernel.h"
+
+namespace arm_compute
+{
+namespace opencl
+{
+namespace kernels
+{
+/** Interface for the width concatenate kernel of 4 tensors.
+ *  All source tensors will be concatenated into the destination tensor.
+ */
+class ClWidthConcatenate4TensorsKernel : public IClKernel
+{
+public:
+    ClWidthConcatenate4TensorsKernel();
+    ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(ClWidthConcatenate4TensorsKernel);
+    /** Initialise the kernel's sources and destination
+     *
+     * @param[in]  compile_context The compile context to be used.
+     * @param[in]  src1            First source tensor info. Data types supported: All.
+     * @param[in]  src2            Second source tensor info. Data types supported: same as @p src1
+     * @param[in]  src3            Third source tensor info. Data types supported: same as @p src1
+     * @param[in]  src4            Fourth source tensor info. Data types supported: same as @p src1
+     * @param[out] dst             Destination tensor info. Data types supported: same as @p src1.
+     */
+    void configure(const CLCompileContext &compile_context,
+                   ITensorInfo            *src1,
+                   ITensorInfo            *src2,
+                   ITensorInfo            *src3,
+                   ITensorInfo            *src4,
+                   ITensorInfo            *dst);
+    /** Static function to check if given info will lead to a valid configuration
+     *
+     * Similar to @ref ClWidthConcatenate4TensorsKernel::configure()
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *src1,
+                           const ITensorInfo *src2,
+                           const ITensorInfo *src3,
+                           const ITensorInfo *src4,
+                           const ITensorInfo *dst);
+
+    // Inherited methods overridden:
+    void run_op(ITensorPack &tensors, const Window &window, ::cl::CommandQueue &queue) override;
+
+private:
+    int32_t _depth{0};
+    int32_t _input1_width{0};
+    int32_t _input2_width{0};
+    int32_t _input3_width{0};
+};
+} // namespace kernels
+} // namespace opencl
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CL_WIDTH_CONCATENATE_4TENSORS_KERNEL_H */