Contact We’d love to hear from you. You can find our various contact methods below, or just call us directly on 1300 818 620. Call Us We'd love to talk to you about ways we could integrate Sigma into your organisation. Support Need some technical or billing support? Reach out to our support team. Demo Book a demo with our experts and we'll take you through the tools and answer questions. Message You are more than welcome to send us your details, and we'll contact you.