Custom Home Builders Parkdale

About CellStruct

Founded in 1988, Graeme & Margaret Ainley have developed a long standing reputation of Cellstruct being customer focused and of having a vast knowledge of all things “Construction”. The company has survived and thrived in a tough up and down Building Industry and is proud to have developed and maintained its lasting client base.

Cellstruct Building Group formerly known as Cellstruct Industries, have historically worked across many sectors including Industrial, Educational, Civil, Residential, Commercial and Local Government. Today Cellstruct specialises in new residential developments and period home renovations and extensions. Some never change though. We still operate with the family values our company was built on; Integrity & Honesty.

CBG strive to work as a cohesive unit to provide superior construction management, safe work practices, communication with clients and, ultimately, a quality finished product. With Solid foundations and an unrelenting desire to drive CBG into a positive future, our experienced personnel are committed to providing efficient service and quality at every step of the build.

Our foundations are solid:

  • key personnel are qualified and experienced
  • key personnel are well networked in industry
  • Business financial management is strong and has long lasting stability through industry ups and downs
  • solid and supportive relationship with company bankers.

Our Vision

As a team, provide superior construction management on all projects, and through QSTRIPE, maintain efficient systems and best practice standards to exceed client expectations.

Cellstruct Building Group is a member of the following groups


Key personnel


Graeme Ainley


Graeme was the Founder and Director of Cellstruct Building Group from 1988 until his passing in early 2020. He was a highly qualified, experienced, and respected civil and structural engineer, come Registered Commercial and Residential Builder.

Graeme worked tirelessly for 3 decades to create the foundations for a strong performing building company, that is proud of the work it creates.

Outside of Cellstruct, Graeme was an avid yachtsman, achieving lifetime membership of Sandringham Yacht Club. His son and daughter in law, Mark and Emily Ainley, now proudly and firmly stand at the helm of CBG.


Mark Ainley

Registered Builder & Director

Mark has worked in the family business in many different roles since he was 15 years old. Starting out as a labourer on site during school holidays, through to Project Manager, Business Manager and now the company RBP and Director, all the while completing his Bachelor of Business and Marketing, and Cert 4 in Building and Construction.

Mark rebranded the company in 2015, developed the companies Safety and Quality philosophy QSTRIPE, and is continually looking for new systems and procedures to improve efficiencies and operations within the ever-changing construction industry.

Client service and communication is at the top of Marks priority list when planning a successful building project. He works and lives by a saying that a mentor once told him “You can’t go wrong, doing the right thing” Outside of Cellstruct, Mark is a diehard sports fan and wonderful father to his 3 daughters.


Emily Ainley

Business Operations Manager

Emily has a Business Marketing Degree and successfully owned her own small business prior to joining Mark at Cellstruct in 2015. As a business owner Emily won numerous industry awards for business and employment excellence. At Cellstruct Emily lives and breathes QSTRIPE and works to ensure all CBG team members do to. With a large focus on streamlining systems and procedures, Emily also spends time on the company’s marketing and sales.

Outside of Cellstruct, Emily is mother to her and Marks 3 daughters, and enjoys keeping fit and healthy.


Cellstruct Building Group has forged strong relationships in the private sector for over 3 decades.

QSTRIPE was developed by Key Personnel and guides our decision making to ensure we always exceed client expectations.

Our team strive for quality in everything we do through: