Confused In Job Decision Regarding Unethical Practices Of An Industry
If your job entails no unethical acts it is halal. What the organisation does with its customers is not your responsibility.
Stealing is a universal crime. In your case the business itself is halal. It is the conduct of the company which is objectionable. This is their part, not your responsibly. There is hardly any organisation which is completely fair. The responsibility of the employer is to do his with honestly.