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diff --git a/src/core/utils/quantization/AsymmHelpers.h b/src/core/utils/quantization/AsymmHelpers.h
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+/*
+ * Copyright (c) 2023 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 ACL_SRC_CORE_UTILS_QUANTIZATION_ASYMMHELPERS_H
+#define ACL_SRC_CORE_UTILS_QUANTIZATION_ASYMMHELPERS_H
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+namespace quantization
+{
+
+/** Get minimum and maximum output of the activation function after quantization.
+ *
+ * Only ReLU, upper bounded ReLU and lower+upper bounded ReLU are supported.
+ *
+ * @param[in] q_info    Output quantization info.
+ * @param[in] act_info  Activation function information.
+ * @param[in] data_type Output data type (either QASYMM8 or QASYMM8_SIGNED).
+ *
+ * @return The minimum and maximum output of the activation function after quantization.
+ */
+std::tuple<int32_t, int32_t> get_quantized_asymmetric_output_min_max(const QuantizationInfo    &q_info,
+                                                                     const ActivationLayerInfo &act_info,
+                                                                     DataType                   data_type);
+
+} // namespace quantization
+} // namespace arm_compute
+
+#endif // ACL_SRC_CORE_UTILS_QUANTIZATION_ASYMMHELPERS_H