The short answer is Yes.
For Android smartphone users.
Install the Meross app on your Android smartphone and add the HomeKit device as adding a regular Meross smart device. Then link your Meross account within Amazon Alexa or Google Assistant. If you want to use HomeKit after setup on Android. Just launch your Apple Home app on your iPhone and scan or input the setup code printed on the device or user manual. No reset or extra configuration is needed.
For iOS smartphone users.
Install the Meross app on your iPhone. After setting up the HomeKit device with your Apple Home app, connect your iPhone to the same home Wi-Fi as your HomeKit device and launch your Meross app, tap "+" on the top right. It will help you find devices under the same Wi-Fi network. Just tap "Add" and you'll be able to manage it in the Meross app. Then link your Meross account within Amazon Alexa or Google Assistant.
If the above points do not help, please email your Meross account to email@example.com, we will help solve the issue timely.
If you cannot set up with Meross app, please refer to step-by-step Meross app setup instruction here. Or you can launch Apple Home app on your iPhone or iPad, running iOS 13 or iPadOS 13 or later, and set up the accessory.