Optometry: For the past 15 years Australia's largest optical dispenser, OPSM, used Peter Baker's services to prepare complex submissions and advise on how to change legislation which prevented the commercial ownership of optometry. Successful campaigns were run in Victoria, Queensland, Tasmania and New South Wales.

Pastoral industry: A four year campaign conducted for the pastoral industry in three States resulted in the Federal Government withdrawing a planned nomination of the Lake Eyre Basin for inclusion on the World Heritage List, which would have had crippling financial consequences for the industry.

Physiotherapy: The preparation of a strategy covering mutual recognition for the physiotherapy profession.