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Bluetooth solution for our device

Hello,
We are smartwatch (watch-phone) startup.  For a moment we are searching for bluetooth solution for our device. Our smart watch works as headset via HFP, controls player and receive notifications via BLE.
1. The Bluetooth profiles we need are both BR \ EDR and Bluetooth Low Energy. Classic: HFP, AVRCP 1.4, SPP (also PBAP and MAP preferred). We need  custom LE profile to receive notifications via Apple Notification Center Service and Android, also  another custom LE profile for sending additional info. Can you suggest bluetooth stack?
2. Can you suggest best Bluetooth chip to fit this needs (development kit) ? Especially solution to work with audio via HFP. 
3. We will use FreeRTOS on our device. Can you suggest best host controller to run bluetooth stack? 
Best regards,
Roman Yarovyi