The C|T Group, also referred to as Crosby Textor, is an Australian lobbying firm, private investigations firm, and political consultancy.

The firm has historically been associated with mainstream right-wing political parties across the world, and has a particularly strong association with the Liberal Party of Australia.

In 2024, an investigation by the Financial Times has exposed that CT Group has provided forged or faked banking records for multiple litigations ongoing in the UK courts, where it was alleged that CT undertook 'industrial-scale forgery" and 'apparent criminality'.

The firm provides its services throughout the world, but its most notable markets are that of Canada, Australia, Britain, Africa, Italy and New Zealand.

Examples of political campaigns in which the firm has operated include: