
CSR Sugar, founded in Sydney in 1855, is a major Australian industrial company that has etched itself into the Australian way of life. The company has a long history in the country, initially beginning as the Colonial Sugar Refining Company and later becoming a subsidiary of the French multinational Saint-Gobain.
| Characteristics | Values |
|---|---|
| Year founded | 1855 |
| Founder | Edward Knox |
| Founded in | Sydney |
| Original name | Colonial Sugar Refining Company |
| Current name | Wilmar Sugar |
| Ownership | Subsidiary of French multinational Saint-Gobain |
| Year acquired by Saint-Gobain | 2024 |
| Amount paid by Saint-Gobain | A$4.5 billion (US$2.95 billion) |
| Year sold sugar division | 2010 |
| Company that bought sugar division | Wilmar, a Singapore-based company |
| Amount sold for | $1.75 billion |
| Percentage of sugar on the Australian domestic market produced | 60% |
| Headquarters | North Ryde, Sydney |
| Number of employees (as of 2021) | Over 3,000 |
| After-tax profit (as of 2021) | $146 million |
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What You'll Learn

CSR Sugar is now Wilmar Sugar
CSR Sugar, founded in Sydney in 1855 as the Colonial Sugar Refining Company, was once a major Australian industrial company. It quickly became the most important miller and refiner in Australasia, with a near monopoly on Queensland and Fiji sugar production.
Over time, CSR Sugar diversified into building products, construction, and manufacturing. In 2010, the company sold its sugar and ethanol business, Sucrogen, to the Singaporean company Wilmar for $1.75 billion. This sale was an attractive deal for CSR shareholders, as it delivered significant value and trumped a lower offer from a Chinese company, Bright Foods.
Following the sale, the business became known as Wilmar Sugar. Wilmar Sugar continues to supply a range of ingredients to various industries and leverages its global network of manufacturing plants. The company delivers over 500,000 tonnes of refined sugar each year to the industrial, foodservice, and hospitality industries, and its CSR Sugar retail brand is stocked in supermarkets nationwide.
While the name has changed, Wilmar Sugar continues to deliver the highest-quality sugar to Australian kitchens, maintaining the legacy of CSR Sugar's long history in the country.
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It was founded in Sydney in 1855
CSR Sugar, or CSR Pty Ltd, was founded in Sydney in 1855 as the Colonial Sugar Refining Company at the Old Sugarmill. The company was founded by Edward Knox and quickly became the most important miller and refiner in Australasia. By the 1870s, CSR had expanded into milling cane in Queensland and Fiji and had established a virtual monopoly on sugar production in these regions.
In the early years, the company refined imported raw sugar at its refineries in Canterbury and Chippendale. In 1857, just two years after its founding, CSR expanded into the Melbourne market by purchasing a refinery at Sandridge through its associate company, the Victoria Sugar Company. These operations were later moved to refineries in Pyrmont and Yarraville.
As the company continued to grow, it became increasingly profitable and established a near-monopoly of sugar refining in the Australian colonies. By the late 1860s, however, relying on imported raw sugar was no longer financially viable. This prompted Knox to establish centralised mills to crush sugarcane grown by farmers in the Northern Rivers region of New South Wales. The raw sugar produced from these mills was then transported by ship to the company's refineries in Sydney and Melbourne.
Over its long history, CSR Sugar has diversified its operations and expanded beyond the sugar industry. The company has ventured into building products, insulation materials, fibre cement sheeting, concrete products, and bricks. In 2010, CSR sold its sugar and ethanol business, Sucrogen, to the Singaporean company Wilmar, now known as Wilmar Sugar. Despite the sale, CSR Sugar remains an iconic retail brand in Australia, delivering high-quality sugar to Australian kitchens and supplying over 500,000 tonnes of refined sugar to various industries annually.
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It was once a monopoly
CSR Sugar, or the Colonial Sugar Refining Company, was founded in Sydney in 1855. It first began refining imported raw sugar at refineries in Canterbury and Chippendale. By the late 1860s, the company was no longer financially viable, relying on imported raw sugar. Edward Knox, the founder of the company, decided to establish his own supplies by setting up centralised mills to crush sugarcane grown by farmers in the Northern Rivers region of New South Wales. This proved to be very profitable, and by 1880-81, CSR had constructed the high-output Condong and Broadwater mills in northern New South Wales, further consolidating their milling operations.
The company quickly expanded into Queensland and Fiji, becoming the most important miller and refiner in Australasia. It established large sugar plantations in these regions, serviced on-site by high-capacity mills that it also owned. The Queensland Government passed an Act in 1881 allowing CSR to acquire large tracts of land in the north of the colony and to invest £500,000 in establishing sugar plantations. This led to the creation of the Victoria Plantation and the Homebush Plantation, and the company soon had a virtual monopoly on sugar refining in the Australian colonies, as well as in Queensland and Fiji specifically.
CSR's monopoly on sugar refining in the Australian colonies was further solidified by its ownership of multiple sugar mills in Queensland and a 75% share in the Sugar Australia refineries in Melbourne and Mackay. The company also owned a share of the Chelsea Sugar Refinery in Auckland, and its sugar production made up around 60% of the Australian domestic market and 80% of that in New Zealand.
In 2010, CSR sold its sugar business, Sucrogen, to the Singaporean company Wilmar for $1.75 billion. This marked the end of CSR's monopoly in the sugar industry, as the company diversified into building products and other ventures.
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It was sold for $1.75 billion
CSR Sugar, founded in Sydney in 1855 as the Colonial Sugar Refining Company, was sold for $1.75 billion to the Singaporean company Wilmar in 2010. The company was founded by Edward Knox and quickly became the most important miller and refiner in Australasia, with a virtual monopoly on Queensland and Fiji sugar production. By the 1880s, CSR had expanded its operations into Queensland and Fiji, owning and running large sugar plantations serviced by its own high-capacity mills. The company also sold by-products of the sugar industry, such as molasses and ethanol, and had a significant presence in the Australian and New Zealand markets.
The sale of CSR Sugar for $1.75 billion was considered a significant valuation, benefiting the company's shareholders. The deal trumped an offer from the Chinese company Bright Foods, which had lowered its conditional bid to $1.75 billion in its final offer. After expenses and tax liabilities, the sale was expected to net CSR $1.6 billion.
Wilmar, listed on the Singapore Stock Exchange, is one of Asia's largest agribusiness groups. The acquisition of CSR Sugar expanded Wilmar's global network of manufacturing plants and strengthened its position in the sugar industry.
Following the sale, the company previously known as CSR Sugar became known as Wilmar Sugar. As of 2024, Wilmar Sugar continued to supply refined sugar to various industries and maintained its presence in supermarkets across Australia with its iconic CSR Sugar retail brand. The CSR brand remains a staple in Australian kitchens, known for its high-quality sugar used in a variety of sweet treats, from pavlova to caramel-topped brownies.
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It diversified into building products
Founded in Sydney in 1855, the Colonial Sugar Refining Company (CSR) quickly became the most important miller and refiner in Australasia, with a virtual monopoly on Queensland and Fiji sugar production. In 1923, the Queensland state government signed an agreement with CSR to refine all of the state's sugar production, a monopoly that was to continue until 1989.
However, CSR began to diversify into building products as early as 1942, with the construction of a plaster mill in Sydney. In 1947, the company began manufacturing plasterboard. It acquired Bradford Insulation in 1959, which produced heat insulation materials for buildings, and currently has a substantial share of the insulation market in Australia and Asia.
The company also produces fibre cement sheeting, aerated concrete products, bricks, permanent formwork for walls, and systems to support plasterboard construction through Rondo, a joint venture with Boral. It spun off its interests in heavy building products to a separate listed company, Rinker Group, in 2003. In 2007, CSR established the Viridian glass company, which it sold in 2019.
In 2009, CSR separated its sugar and energy businesses from its building products business, resulting in the creation of Sucrogen as CSR's sugar and energy business. In 2010, CSR sold Sucrogen to the Singaporean company Wilmar International. As of 2015, the business is known as Wilmar Sugar.
Today, CSR is one of Australia's largest building and construction materials companies, operating in New Zealand and the United States. While CSR was established to refine sugar and later diversified into raw sugar milling, its sugar activities now represent only about one-quarter of CSR's annual sales. The company has substantial operations in quarrying, concrete, cement products, bricks and tiles, plasterboard, insulation, and timber products, as well as investments in aluminium.
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Frequently asked questions
Yes, CSR (Colonial Sugar Refining Company) was founded in Sydney in 1855.
CSR stands for Colonial Sugar Refining Company.
CSR produces sugar and sugar products, as well as building products like fibre cement sheeting, aerated concrete products, bricks, etc.
CSR gets its sugar from Queensland and Fiji, where it owns and runs large sugar plantations serviced by high-capacity mills that it also owns.
As of 2024, CSR is owned by French multinational Saint-Gobain, which acquired the company for A$4.5 billion.











































