Howard Leigh is a senior partner in Cavendish Corporate Finance, the former Treasurer of the UK Conservative Party and a Conservative peer in the House of Lords, having joined on the 16 September 2013. 
Leigh is chairman of The Leader's Group, a Tory fundraising vehicle whereby anyone donating £50,000 plus is automatically 'invited to join David Cameron and other senior figures from the Conservative Party at dinners, post-PMQ lunches, drinks receptions, election result events and important campaign launches'. 
Dinner at Chequers
See Chequers Dinner Guest List released March 2012
- Designated LLP Member, Cavendish Capital Advisors LLP
- Director, Cavendish Corporate Finance (UK) Limited
- Director, Cavendish Corporate Investments Limited
- Director, City and Suburban Investments Limited
- Director, Craig & Company (Properties) Limited
- Director and Company Secretary, Dennis Reed Limited
- Director and Company Secretary, Dependable Homes Limited
- Director and Company Secretary, Dependable Investments Limited
- Director, Dependable Properties Limited
- Director, Station Court (Wembley) Management Company Limited
- Director, Marlow Retail Ltd (fashion retail)
- Former Chairman and current President of Westminster Synagogue
- Former Trustee of Jewish Care and current Chairman of Jewish Care’s Business Group
- Appointed chairman of the Jerusalem Foundation in the UK in January 2016, formerly a trustee
- Howard Leigh, Jewish Leadership Council.
- Richard Kay, The Cameron crony behind Sam's payout, Mailonline, 18 December 2009.
- Martin Bright, Tories solicited cash for Werritty, TheJC.com, 18 October 2011.
- Howard Leigh, Cavendish Corporate Finance, accessed 8 September 2012.
- Martin Bright, Tories solicited cash for Werritty, TheJC.com, 18 October 2011
- Working peerages announced, Prime Minister's Office, 10 Downing Street, press release, 1 August 2013
- Donor Clubs, Conservative Party website, accessed 2 April 2012
- Lord Leigh of Hurley Parliament.UK, accessed 19 December 2014
- Marcus Dysch, The peer raising millions for Jerusalem, The Jewish Chronicle, 25 January 2016