If you are looking out for a proper dataset in the customer support domain, you can check out-
kaggle
Google Dataset Search
Data.gov
If you are in need of a specific dataset related to sentiment analysis in the customer support domain that includes market research, customer feedback, you can check Bytesview.
Bytesview's customer support solution can help your support teams be prepared for all unexpected emergencies or interactions with customers.
Hope this helped you in some way.
There are several sources where you can find annotated datasets for sentiment analysis in the customer support domain. Here are a few options:
Kaggle: Kaggle is a popular platform for data science and machine learning. It hosts various datasets, including those related to sentiment analysis in customer support. You can search for relevant datasets on Kaggle and filter by sentiment analysis or customer support tags.
Sentiment140: Sentiment140 is a widely used dataset for sentiment analysis, containing millions of tweets labeled as positive or negative. While it is not specific to customer support, it can still be a valuable resource for training sentiment analysis models.
Social media APIs: Many social media platforms provide APIs that allow you to access public posts and comments. You can use these APIs to collect customer support-related data and manually annotate the sentiment.