As leaders in Stonemasonry and Heritage Restoration in Sydney, RJC Group is able to provide our clients a comprehensive service for the heritage building restoration and conservation of buildings. Our widely experienced team, from Sydney stonemasons and heritage experts to façade and carpentry professionals, ensure that we deliver each and every time with the least amount of fuss, on time and on budget.



Best Practice Certification Quality Management System
Best Practice Certification Environment Management System
Best Practice Certification OH&S Management System



As stonemasons Sydney and Heritage Restoration Contractors across Sydney, RJC Group is committed in delivering a first-class service through our dedicated and experienced teams.

Our delivery to Tier 1 Builders, Heritage Consultants and Government Projects for over 10 years has ensured RJC Group has a strong reputation within the building and construction industry.

Check out the profiles of our key personnel.

Jaimie Cookson

As the Director of RJC Group, Jaimie Cookson is a highly accomplished stonemason, qualified and trained in the art of City and Guilds Stonemasonry and Monumental Masonry.


Jaimie has a personal passion for stonework and building restoration, having worked for highly recognised stonemasonry companies throughout NSW, Victoria and the ACT.

Jaimie brings his passion for stonemasonry and building restoration to his clients in a manner that makes him a trusted asset to Tier 1 Builders, Heritage Consultants and Government.

Qualifications & Licenses

  • Non-Friable Asbestos Removal Licence – Class B – NSW
  • Asbestos Removalist Licence – Class A – ACT
  • Certificate IV in Building and Construction (Building)
  • Certificate III in Bricklaying/Blocklaying
  • Certificate III in Stonemasonry (Monumental/Installation)
  • Certificate in Stonemasonry - City and Guilds of London Institute
Edward Sweeny
Project Manager

Edward has over 15 years experience as a skilled and multi-faceted construction professional with both national and international experience across the residential and commercial industries.


With a proven history of managing multi-site operations, allocating budgets, overseeing quality and performance, ensuring that all regulations, budgets and timelines are met, Edward’s strategic thinking along with his trouble-shooting experience is a perfect asset to every project.

Edward has an impressive record of identifying inefficiencies, assessing issues and implementing lasting solutions that streamline processes, improve productivity, minimize downtime and generate cost savings, all strong characteristics required when working with our esteemed clients.

Qualifications & Licenses

  • Bachelor of Science Computing and Information Systems, Macquarie University, Sydney - 2000
  • Certificate III in Carpentry and Joinery (Construction), Northern Beaches Institute of Technology (TAFE) - 2006
Karsha Cookson
Office Manager / Recruitment Manager

Karsha comes from a corporate background working for some of Australia’s leading Telco’s as an Executive Assistant to CEO’s, Managing Directors and Vice Presidents, thriving on demanding, high-level roles.


Prior to this, Karsha lived abroad in the UK for 2 years and worked for various companies including KPMG, Hill and Knowlton Strategies as well as Laing O’Rourke Constructions.

Karsha joined RJC in 2014 to run the business alongside Jaimie and is heavily involved in all aspects of the business. Her primary focus has been HR and is responsible for managing employee lifecycle activities including end to end recruitment, induction and orientation and supporting performance management. 

Qualifications & Licenses

  • Certificate in Reception Practices - Sarina Russo Institute - 1995
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