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Gregory Inca ergonomic chairs

Gregory ergonomic seat technology


Gregory is ergonomic to the core.

We design products that aim to provide a safe and healthy environment in which people can excel and operate at their optimum levels.

The Gregory chair is a winner of the Australian Design Award and is recognised by ergonomists, the medical and OH&S professionals as providing the best possible seating solution for the modern office, providing an extremely high level of comfort. 

Many of Australia’s top 100 companies now use Gregory either as their primary office chair or as an aid for staff with back or work related injuries.

Dual Density

Our story began in the mid 1980’s when physiotherapist and company founder, Peter Gregory, was commissioned by Colgate-Palmolive to investigate injuries in the office workplace.

The culmination of his research was the unique and patented Dual Density Posture Support System, which has been recognised by ergonomists and occupational health and medical professionals as providing a superior seating solution for improved office efficiency.

Peter Gregory’s findings led to a patenting the award winning Gregory seat design Dual Density Posture SupportDual Density features firmer foam in the front half of the seat and softer foam in the back half.


The design

The separation of the two foam densities is indicated by the split. The pelvis gently ‘sinks’ and is supported in the softer section in the correct seating position at the back of the chair.

Firmer foam at the front discourages the pelvis from sliding forward into the slouching “C” curve of poor posture.

The moulded foam also encourages and improves blood circulation behind the thighs. With the added height adjustable lumbar support the spine is maintained in the healthy, upright “S” curve of good posture which also creates less stress on the arms, shoulders and neck throughout the day.

Designed by a physiotherapist

Gregory Commercial Furniture is recognised as manufacturing some of the world’s best ergonomic chairs. The unique Dual Density Posture Support System was developed in 1987, after extensive research into the consequences of poor seating. This design was coupled with a sculpted backrest to hold the spine in its correct position when seated.  From that time this combination has remained the touchstone for all chairs in the Gregory range.

Scientific evaluation 

Gregory Commercial Furniture uses scientific evaluation in the testing of its products. Thermographs show surface temperatures and indicate the difference in blood flow in the body after sitting over a period of time in a Gregory chair compared to an ordinary chair. Surface temperature is a function of the heat imparted by the body’s circulation system. This means that warmer temperatures on the body’s surface show greater blood flow in the measured area. Small changes in surface temperature indicate larger changes in the deeper tissues. White areas show increased blood flow which leads to better comfort, productivity and well being.




Inca task chairs

The Inca task chair range offers a timeless design which incorporates Gregogry’s award winning Dual Density Posture Support seat technology which pioneered the ergonomic seating market.


Most models from the Inca range have achieved certification with the Good Environmental Choice Label (GECA) which recognises products that meet standards of environmental, quality and social performance.

This landmark range accommodates all areas of the office, medium, high back, executive and visitor.

The 3 lever seat and back tilt provide the user with the ultimate solution in your workplace. All models are available in your choice of fabrics or an express range of selected fabrics for quick delivery.


All Gregory ergonomic chair models are on display at our Gregory Melbourne Office Furniture showroom, at Rosier Commercial Furniture.


• Click on images to select from a model below

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