For the past decade, David Hart has exhibited extensively throughout Australia. As his popularity continues to soar, so do the numerous offers made by galleries throughout the country to represent his work. David Hart's paintings are displayed in significant private collections throughout Europe, the United States, Singapore, United Kingdom, Japan and other countries around the world including:

• The Lord Earl Spencer Collection
• Governor of Bangkok Collection
• Mayor of Kaosiung Collection
• Mayor of Taipei Collection
• Pro Hart Collection
• Donald Trump Collection
• Chairman of Formosa Plastic Group Collection
• City of Kobe Collection
• Fifa President, Jao Havelange Collection
• Chulito, President of Zambia Collection
• Nicole Kidman
• Australian Prime Minister, John Howard
• Marcia Hynes
• Vanessa Amorosi
• James Morrison
• Danni Hynes

David Hart's other important achievements include:

1997 – The Brisbane Lord Mayor commissioned David to paint a series of city street scenes as gifts for Japanese diplomats.

1998 – Motorline BMW Brisbane commissioned David to paint a 4 × 2m flower mural, which led to David’s appointment as an ambassador for Motorline BMW.

1999 – Australian Broadcasting Commission (ABC) televised a documentary on the life of David Hart as part of the highly acclaimed ‘The Australian Story’ series. The program was aired in Australia and overseas.

2000 – Queensland Paralympic Association commissioned David to paint the Opening Ceremony that was held at the Homebush Olympic Stadium. Titled ‘Share the Dream’, this painting was reproduced in 250 limited edition prints. These sold out within three months and raised over AUD$50,000 as part of a major fundraising project. One print sold at auction for AUD$2,500.

2001 – David moved his studio gallery from Albany Creek, Brisbane to Mooloolaba on the Sunshine Coast. In the first year of opening the gallery, David’s popularity saw so many sales that his prices had to increase every eight weeks to keep up with the demand.

2002 – David had a solo exhibition at his gallery in Mooloolaba and had people lined up to buy his paintings. Eighty percent sold on opening night and more than ten works were commissioned.

2003 – David Hart Galleries opened in Hastings Street, Noosa.

2003 – David was chosen to represent Australia and joined a group of artists chosen from the world art community to exhibit at the Florence Biennale. The Biennale is one of the art world’s most prestigious events. Participation is by nomination only and artworks are then considered by an international jury before final approval to exhibit is granted.

2005 – After a trip to New York, David received a personal letter from Donald Trump expressing his love for David’s work. David was also approached by five different galleries throughout the United States of America wanting to represent him.

2006 – David exhibited the Christ Series at his Mooloolaba and Noosa galleries.

2006 – David authored the most comprehensive biography ever written on his late father, world renowned artist Pro Hart, published by Ark House Press in 2007.

2007 – David researched and painted a significant and important body of work based on the arrival of the first white man on Australian soil and the conflicts that ensued between white man and the indigenous Australians. This is known as the Arrival Series.

2008 – The release of David's range of products was an exciting step in his journey. The David Hart Homewares Collection has been designed so that clients can appreciate art through functional objects and in an everyday scenario. It consists of Placemats, Coasters, 100% linen tea towel and recipe journal. All pieces are adorned with the iconic Dragonfly image. The David Hart Inspiration range of Calendars, Daily Inspirations,Journals, Card Sets, Writing Pads, Books, Travel Journals, Sketch Books and prints showcase a stunning selectionof David's much loved work.

2009 – David exhibited a sellout exhibition in Rockhampton, QLD and was a feature artist as an exhibition held at Greythorne Galleries in Melbourne and Manyung Gallery in Morninton Peninsula. He was a feature aritst in the 2010 Collectors Exhibition exhibiting alongside David Boyd, Robert Dickerson, Pro Hart and d Arcy W. Doyle. David also launched his 2010 Calendar at his one man "Private Collection" exhibition at Mooloolaba in July and in August he was the feature artist of the Nudgee College Exhibition in Brisbane.

2010 – “Metal & Canvas” was a collaboration between Porsche Brisbane and David Hart. David exhibited a stunning array of artworks alongside the impressive new 2010 Porsche Series. Hosted by the Porsche Centre Brisbane Showroom, this exceptional mix of automobiles and artworks set the scene fora sensational event.