In Business is a half-hour documentary programme on BBC Radio 4.
It is presented by the BBC's Business Correspondent Peter Day, and is broadcast at 8:30 p.m. on Thursdays and repeated at 9:30 p.m. on Sundays. It is the sister program of Global Business, which is also presented by Day and is broadcast on the BBC World Service.
It began as an introductory programme on Thursday 3 February 1983, being presented by Peter Hobday. From Tuesday 8 February it began as a half hour series at 8.35pm. From October 1984, it moved to 8.15pm. From October 1985, it was presented by Peter Smith, and moved to 7.20pm on Wednesdays and a repeat at 9.35am on Thursdays. In November 1987, it was at repeated at 4pm on Tuesdays, and on Thursdays in 1989. Peter Day joined in 1988. By 1991 it was at 8.45pm on Wednesdays and repeated at 7pm on Tuesdays. In 1992 it moved to 9pm on Wednesdays. Later in the year it moved to 8.45pm and the repeat moved to 7pm on Sundays. By the early 1990s, the programme was receiving a higher profile but was only broadcast on Sundays in 1994. In 1995 it moved to 6.30pm. By 1997, the internet was becoming of interest to business and to the programme.
In May 1998 it moved to 8.30pm on Mondays, and once more became a weekday programme. In January 2000, it moved to its present schedule of 8.30pm on Thursdays with a repeat at 9.30pm on Sundays.
Its podcast is one of the most popular the BBC produces.