If you want a printed flyer promotion, Mainwaring Group Advertising can help get your printed flyers out to more than 600 venues across Sydney.
Read this helpful article from 2014: Why you should get involved in organic social media and how to do it right
See AUSLAN Stage Left organisation to find AUSLAN interpreters for theatre in NSW and elsewhere.
AUSLAN Stage Left can list your show on their website to reach an audience in the deaf community.
Here's a list of radio stations in Australia
See also Commercial Radio Broadcast Licences in Australia (PDF) and Community Radio Broadcast Licences in Australia (PDF)
These links may help you with publicity....
175 websites of NSW* print newspapers
*New South Wales, Australia
Professional Theatre Publicists in Sydney:
(alphabetical list of Sydney-based theatre publicists appearing in the top results on Google, plus others..)
Amanda Buckworth Publicity http://www.abpublicity.com.au/
karpublicity (Kar Chalmers) https://twitter.com/karpublicity (Currently publicist at ATYP Theatre)
Emma Collison Publicity http://emmacollison.com or https://twitter.com/EmmaCollison
Insight Communications http://insightcommunications.net.au/about/ (Australia-wide)
Kabuku PR https://www.kabukupr.com.au/#about
Mollison Communications http://www.mollison.com.au/aboutus/aboutus.html Melbourne & Sydney
Pacific Highway Marketing Communications http://www.PacificHighway.net (Ph: 0415 499 400)
IP Publicity (Ian Phipps) http://www.ippublicity.com.au/ Potts Point
Sirmai Arts Marketing http://www.sirmai.com.au/
Surge Ahead PR http://www.surgeaheadpr.com.au
Photographers Specialising in the Performing Arts:
(alphabetical list of Sydney-based theatre and performing arts photographers)
Phyllis Photography http://www.phyllisphotography.com
Robert Catto http://www.robertcatto.com
Radio shows covering theatre in Sydney
Arts Tuesday - on Eastside Radio 89.7 fm with Diana Simmonds and Suzi Whitehead-Pope, 10.30am (Tue)
Arts Thursday - on Eastside Radio 89.7 fm Presented by Maisy Stapleton and Toby Creswell rotating fortnightly. 10.30am to Noon (Thursdays)
Articles relating to theatre publicity:
The World of The Theatre Publicist - video interview chaired by Disney theatrical boss Thomas Schumacher)
https://www.tedxbroadway.com/talks/2018/3/29/embracing-all-audiences-thomas-schumacher a @TEDxBroadway talk by Disney Theatrical President Thomas Schumacher (2013)
Putting Bums On Seats ; New Ways To Sell Old Arts - Crikey article by Ben Eltham (2011)
This website is hosted by Google but you can find it again by remembering the domain name http://www.theatresydney.info