Our Brands —

Strata Management

Jamesons is a family run business that was founded in 1963. Previous Managing Director, George Vumbaca, joined Mr. Jameson in 1973, and purchased the business when Mr. Jameson retired in the 1980s. A founding member of the industry body SCA (formerly ISTM), George is one of the most decorated and respected figures in the industry. George operated Jamesons for over 20 years building a business based on integrity, respect and care for his team and his clients. Jamesons is still a family-owned business run by the Vumbaca family, with Michael Vumbaca as the group CEO. The business continues to today deliver on the values it was built on; transparency, service, knowledge, and integrity. While things have changed over the last 60 years, the one thing that remains constant is the commitment to provide outstanding service. This is evident by the fact that more than 60% of Jamesons’ clients have been with the company for over 16 years.

Kooper & Levi Strata Management was established in September 2005 by Philip Kooper. Philip started the business after working in a larger Strata business and had come to the realisation that the Strata industry had reached a point where there was growing dissatisfaction amongst Owners Corporations as a result of poor customer care. Philip saw this as an opportunity to open a new office as an alternative for clients seeking better and more personalised service. Since that time, Kooper & Levi has grown to manage over 250 properties ranging from 2 to 300 lots across Sydney. In 2018 Philip sold the business to CNG Property Group, however, has joined the Group as Head of Strata Governance. Paul Culbi now oversees the Kooper & Levi business as Managing Director – He is one of the most sought after, licensed strata managers in the industry and has worked on some of Sydney’s most complex strata plans. Paul’s 15+ years of experience means he comes equipped with specialised skills required to deal with building defects, major remedial projects, fire orders, compliance and also sustainability, energy efficiency, and community engagement whilst also leading and mentoring a large team. A local business, with the added benefit of CNG Property, that now provides the local team with state-of-the-art technology, systems, specialist teams, and expertise held by the CNG property group.

Established in 1992, Real Property Services has provided strata management, community title and company title management services to properties across Sydney. The Managing Director, Paul Miller, has headed the business since 2012. focusing on utilising the latest technologies to provide clients with the very best service as well as providing traditional personalised service. The strata managers and support staff at Real Property Services enjoy an environment where open discussion, light-hearted conversation and robust debate form part of the workplace. The Real Property Services mantra is to provide our clients with the very best service, honestly, responsibly, and professionally. A majority stake in the business was purchased by CNG Property Group in 2021, providing the local team with state-of-the-art technology, systems, specialist teams, and expertise held by the group.

Chris Darby Strata was established by Chris and Jenni Darby in the 1970s. Over the course of 40 years, Chris and Jenni built the biggest strata company in the Wollongong and Illawarra region, successfully looking after hundreds of local properties. In 2019, CNG Property Group purchased the business which is now operated by John Martin, a local Illawarra resident who is passionate about the community. In 2022 we renamed our business to CD Strata marking a new era as we continue to embark on our mission to provide exceptional local customer service day in day out. CD Strata is still a small local business, with locally-based strata managers in Wollongong and the Illawarra region. Our clients have the opportunity to deal with directors and managers that all have the ability to be on-site within a few minutes if required, A local business with the added benefit of CNG Property that now provides the local team with state-of-the-art technology, systems, specialist teams, and expertise held by the CNG Property Group.

Strata Logic is owned and operated by David Terry.

David is a second-generation strata manager following both parents into the industry and has over thirty years of experience as a strata manager and strata business owner.

Personalized service, attention to detail, and the ongoing commitment to adoption of new technology are the corner stones of our business and that’s why we will always be successful in maintaining long-lasting relationships with our clients and the edge on our competitors.

We have the experience managing residential, commercial, mixed- use strata schemes, company title, BMC’s and community schemes.

Whatever your management needs we are able to offer assistance and guidance.


Fresh Strata provides professional strata management services for all sizes of residential strata, commercial strata, company title and community association strata on Sydney’s Northern Beaches and North Shore. The team is managed by Nathan Newmarch, Licensee in Charge and General Manager.


SMATA is proprietary cloud based software solution that facilitates maintenance, document management, invoice processing and broad workflow management.  The platform allows for all stakeholders to easily collaborate on projects while saving them time and money. The platform is viewed by the CNG Group as as the future of how the strata industry operates.

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QSEC Strata Facilities Group, based in Sydney’s inner city, focuses on providing expert building and facilities Management, cleaning and gardening, and general maintenance services.

The team works closely with our clients and strata managers to maintain all, and any areas of the common property and its equipment.

Regular reports and recommendations are always provided to ensure informed decision-making. With QSEC, your property is in trusted hands 24/7.

Strata Remedial Services, based in Sydney’s North Shore, focuses on providing expert property maintenance and building services. With over 20 years of experience the team are available 7 days a week and after business hours for any emergencies that may arise.


Coverforce CNG is the insurance broking arm for our strata customers that was created in 2017.  Given the role of the strata manager is so fragmented and requires expertise from multiple areas, the partnership with Coverforce was created to enhance the experience for our customers when managing their insurance needs.

Coverforce CNG looks after insurance renewals and claims management. We seek quotes, in most instances, from every recognized strata insurer in the market, to try and find the best possible price for your insurance and we provide each owners corporation with access to a dedicated claims team meaning that all clients have direct access to specialist insurance advice on claims and renewals as and when they need it.


Whether it’s a Strata Scheme, Community Association, BMC, Neighborhood Association, Company Title or any other type of scheme, we have ongoing relationships with a number of developers and can help with the following requirements plus more:

  • Formation of the owners committee structure
  • Setting of accurate budgets
  • Establish appropriate by-laws and advise on compliance in regards to the legislation
  • Consultation with industry experts
  • Attendance of all required developer meetings
  • Arrange the first AGM and any subsequent meetings
  • Help to source contractors, suppliers and property managers
  • Provide advice on sustainable building practices and utilities