Our Team

Come on in, get to know us!




Adam Grimadell

adam grimadellAdam is a fully licensed electrician and is also qualified in cabling. With over 20 years experience in the industry, Adam has a sound knowledge and understanding of servicing large commercial properties and meeting client needs.

Aaron Halavaka

aaron halavakaAaron is a true jack of all trades in the plumbing world, he’s worked commercially on large scale projects and in many homes on smaller projects.
Aaron brings with him over 15 years experience in plumbing and gas fitting.




Peter Ellis

peterNicknamed Retep, Peter is a chicken caesar, multi grip kinda guy. A family man at heart, he says working for Lexicon is truly like having a second family, that you get to see every day!





Arden Bray

ardenAlso known as Ardy, Arden is a big sports (particularly rugby) and meat pie fan. Arden likes that Lexicon as a company is understanding, flexible and really hears their employees.

Nathan Vella

nathanNath as the team calls him, is all about renovations. He loves these projects and thrives on providing a satisfying end result to the customer. On working for Lexicon, Nath says that one of the things he admires about the company is their high standards, in their work and for their employees.


Administration Team


Lisa-Marie Berta

Lisa-Marie is the queen bee of all things office management and administration. As a mother of two she’s a professional organiser and wrangler of kids of all ages (skills that come in handy with the boys sometimes!)

Tine and Bev

Tine and Bev make the perfect final piece of the Lexicon puzzle. As our Administrative Assistants, they’re all about open communication and effective conversations and believe that is what makes Lexicon such a success.

© 2022 Lexicon Group - Plumbers & Electricians in the Blue Mountains, Penrith & Western Sydney | 1a St Georges Crescent Faulconbridge NSW 2776 | (02) 4739 5552