In August 2005 he was working for the conservative New Zealand National Party ahead of its September 2005 election. 
Textor is a pollster for the conservative Liberal Party of Australia, In a Guardian article last year Textor was described as an "unashamed promoter of wedge politics...putting anti-Aboriginal sentiment into the mainstream of Northern Territory politics at a time when the former One Nation leader Pauline Hanson was still running a chip shop in southern Queensland".
"In the 2001 elections it was Textor's polling advice that crystallised Howard's decision to run a xenophobic scare campaign based on fear of immigrants and terrorism." 
- David Fickling, "Marginals are the key to victory", The Guardian (UK), November 18, 2004.
- Francis Elliott, "Revealed: Tory adviser accused of 'dirty tricks'", Independent, 21 November 2004.
- Peter Fray, "British Labour frets as polling's dark prince advises the Tories", Sydney Morning Herald, November 22 2004.
- Peter Wilson, "True believer from afar", Australian, November 24, 2004.
- James Button, "Questions over Crosby", Sydney Morning Herald, May 9, 2005.
- "Poll role for Australian", Sydney Morning Herald, August 15, 2005.
- "Aussies 'meddling in NZ campaign'", Sydney Morning Herald, September 13, 2005.
- Phillip Coorey, "Lib pollster exposes IR worries", Sydney Morning Herald, June 21 2007.