Product Owners are expected to be domain experts and often need guidance/advice from outside.

I have listed down some of the top market research and advisory firms which can help you with your R&D stuff.

1. https://www.gartner.com

One of the leading firm to provide guidance on Legal, Finance, Supply chain, IT, HR etc.

2. https://go.forrester.com

Forrester is an American market research company that provides advice on existing and potential impact of technology, to its clients and the public.

3. https://ovum.informa.com

Ovum is a market-leading research and consulting business focused on converging IT, telecoms and media markets.

4. https://www.idc.com

International Data Corporation (IDC) is the premier global provider of market intelligence, advisory services, and events for the information technology, telecommunications, and consumer technology markets.

5. https://www.nielsen.com

Nielsen is a global measurement and data analytics company that provides the most complete and trusted view available of consumers and markets worldwide.