Anyone requiring a professional film or video would engage a reputable production company.
For example, a local business wanting to market their services or promote a new product may engage with a production company. They may decide to commission a short video that can be used on their website and on social media. A video like this is ideal for advertising and marketing. Although anyone can create social media films these days, a professional film is far better to enhance the company's reputation.
Art Galleries and Museums often commission films to highlight the artist they are showing in an exhibition or to advertise their latest exhibition. The V&A Dundee commissioned a film for their Mary Quant Exhibition.