The Alliance said it will report back on actions to be taken following its investigation.
Kericho Governor Erick Mutai condemned the sexual exploitation. "The mentioned culprits should be arrested immediately, and the British and Dutch embassies should state their position," he wrote on Twitter.
Kericho Woman Representative Beatrice Kemei said the BBC report highlighted the "entrenched" sexual harassment at "tea multinationals operating in our country".
The Fairtrade Foundation, which promotes efforts to ensure farmers in developing nations are treated fairly, described the allegations as "appalling", terming the report as a #MeToo moment for tea sector.
The #MeToo movement took off six years ago in the US, prompted by accusations of sexual misconduct against Hollywood producer Harvey Weinstein. Women around the world took to social media to disclose sexual harassment and assault across workplaces and colleges, spawning investigations and toppling high-profile men from positions of power.
In the BBC investigation, one woman said she had been infected with HIV by her supervisor after being forced into having sex with him. James Finlay & Co said it had suspended the manager caught on camera demanding sex, and had reported him to the police. The company told BBC it was investigating it its Kenyan operation has "an endemic issue with sexual violence".
Lipton Teas and Infusions said it had suspended two managers and had ordered a "full and independent investigation".