Grant Custance is a software industry leader and inventor of a globally patented innovation. His experience across workforce management, compliance and connected systems has shaped products that help enterprises run with confidence, translating complex regulation into operational discipline, defensible compliance and modern workforce execution at scale.
About Grant
Grant Custance is the Founder and CEO of nimbus, a Australian-based software company building cloud technology that reshapes how enterprises manage their workforce and protect business continuity.
A solutions-led founder, Grant has been the driving force behind nimbus’ cloud-first platform, designed to give organisations a secure, scalable and compliant way to schedule staff, run high-performing contact centres, and automate telecommunications continuity in moments of disruption. His work is grounded in the belief that operational excellence and compliance certainty should be engineered into systems, not left to chance, manual effort, or payroll.
Grant is also the inventor of a globally applicable patent for telephony softphone control via a web application. The patent’s capability has influenced how modern, distributed workforces operate today.
Before founding nimbus, Grant established Open Wave in 1998, serving as CEO and later Chairman. Open Wave delivered enterprise workforce management technology to call centres across the world, enabling government and publicly listed organisations to scale with control, predictability and cost discipline.
Across both companies, Grant’s career has been defined by a consistent theme: turning complex workforce, compliance and continuity challenges into commercially resilient solutions that allow enterprises to operate with confidence, in any state, at any scale.
Career & company milestones
nimbus
2025
As part of the partnership and commercial relationship with DXC, Grant attended Emergency Services and Government industry events, working with DXC executives to have the conversations with clients that matter: compliance, workforce risk, and employee management.
Grant met with Iain McGregor, CIO, from NSW Ambulance, as well as Carlene York APM, Former Commissioner, NSW State Emergency Service
Spearheading partner engagement with Genesys and Verint. As workforce management and compliance partners, our alignment on business values, operations, and customer needs will drive solutions and success for Australian operations.
You can find nimbus compliance on the Genesys App Foundry and Verint Connect.
2024
Along with Shane Proctor, Head of Workplace Sales at Telstra, Grant officially launches Telstra Business Resumption Service+, a bulk call-forwarding solution to ensure continuity of communications during planned and unplanned network outages.
Telstra BRS+, supported by underlying technology from nimbus, is available on Telstra’s UCSS portal. Understand why Telstra BRS+ is the premier bulk call-forwarding solution.
Granted patent extension to Australia - securing compliance control of telephony software via a workforce optimisation web application.
2023
nimbus signs a strategic alliance partnership with KPMG to provide optimised digital workforce solutions.
Grant joins the panel at Telstra's Partner Collaboration Showcase to discuss leading digital business continuity solutions in collaboration with Telstra.
The relevance of AI in the workplace is growing with customers understanding the important role smart technology plays in compliance and people management. Read Grant’s opinion piece published to Australian technology media.
2022
nimbus signs a strategic alliance partnership with KPMG to provide optimised digital workforce solutions.
Grant joins the panel at Telstra's Partner Collaboration Showcase to discuss leading digital business continuity solutions in collaboration with Telstra.
2021
By early 2021, there were over 100,000 users on the nimbus platform.
nimbus partners with Telstra enterprise for seamless business continuity.
Grant continues to supply opinion and thought leadership to Australian publications on the shifting nature of the workforce and the need for compliance-built solutions.
2020
In 2020 Ploytech is rebranded to nimbus. The solution includes nimbus Time2Work, nimbus Connect and nimbus Hub.
COVID-19 turbocharged the relevance of nimbus' patent. nimbus TIme2Work supports customers to keep COVIDSafe.
Grant speaks with Ausbiz about the COVIDSafe protocols within the nimbus platform.
Ploytech
2015-2020
In 2015 Ploytech is incorporated to build a pure-cloud, Software as a Service WFO solution from the ground up, and by late 2016 BETA testing is completed and Time2Work is launched to market.
In 2017 Ploytech signed watershed contracts with JB Hi-Fi/The Good Guys - Australia’s largest home entertainment retailer; a leading NASDAQ financial services company operating in the US and Mexico; and UK company Serco Group Plc, who deliver essential services to Government in Defence, Justice, Immigration, Health Care in the UK, North America, Asia Pacific and the Middle East.
In 2019 nimbus Connect and nimbus Hub are launched enabling compliant, secure, and nimble solutions for clients moving their end-of-life enterprise technology to the cloud. Major clients include: AMP Life, Bunnings, Melbourne Cricket Club, WA/VIC/QLD/NSW Government agencies.
Grant is chairman of the advisory board at nimbus for all three core solutions.
Grant is the author and inventor of a United States awarded Patent issued by the US Patent office in December 2018. The Patent is revolutionising remote work capabilities and securing platforms for ultimate compliance adherence to create a “live anywhere, work everywhere” world.
OpenWave
1998-2011
In 1998 Open Wave launches out of a warehouse in Collingwood, Victoria.
By 2002 Open Wave scheduled 80% of all Australian contact centre staff – major clients included: AGL, News Corp, AMP, Australian Government, Fairfax, 6 x Tabcorp Holdings (state-based), Citi Power, AAMI, NRMA, and Qantas.
By 2007 Open Wave scheduled 40% of all UK contact centre staff – major clients included: British National Health Service (NHS), BSkyB, Lloyds TSB, Haringey/Merseyside/Hampshire Constabulary, and Windsor/Glasgow/Manchester local Government.
In 2008 Open Wave secures worldwide contracts: Malaysia Telecom, Vodafone Hutchinson, HCL, Bankers Trust, DHL, Coca-Cola, and the Virgin Group.
Grant was the Chief Executive Officer of Open Wave for 13 years until it was acquired by a leading US technology company in 2011.