Brian Hart Ltd. vs Thinkorswim
Side by side, from the public record each company was imported from. Where a figure is missing it is because no source we hold states it — not because it is zero.
Brian Hart Ltd. is the older of the two, founded in 1969 — 14 years before Thinkorswim.
- Founded
- 1969
- 1983
- Status
- Closed 2002
- Active
- Headquarters
- United Kingdom
- New York
- Industry
- business
- business
- Parent
- Not recorded
- TD Ameritrade
Facts on both companies come from the public records named on Brian Hart Ltd. and Thinkorswim.