Although the possibility of linking professional and language learning in occupational action situations makes a company an interesting learning venue, it also raises challenges for trainers. Systematic language teaching cannot take place within the company. Nevertheless, training staff serve as language role models and are able to support trainees by adopting a language-sensitive attitude. The article describes situations which constantly lead to difficulties and misunderstandings from the point of view of company-based trainers. It reflects upon these situations in conjunction with experiences gained from providing remedial German language teaching in order to derive ideas for progressive ways of dealing with language at the company.