Specialist Solutions Partner
CSG partners with our customers in the water, environment and hygiene sectors to deliver clean water, safe food and some of life’s essential products. Through our brands Chemifloc and GI Chemicals, we combine 40-years of specialist chemistry expertise, a guaranteed supply of vital chemicals, and exceptional customer service.
OUR BRANDS
Through our brands Chemifloc and GI Chemicals, CSG deliver proven, specialist chemistry solutions to the potable water, environment, wastewater, and hygiene industries.


The chemistry that optimises all stages of the municipal water treatment process to deliver safe, clean, potable water.

Unique solutions to effectively treat wastewater and industrial emissions, minimising their environmental impact.

Effective hygiene solutions to safeguard public health, ensure regulatory compliance, and protect critical industrial and food processing environments.
Your partner in complete specialist chemistry solutions
A robust global supply chain, large fleet of modern trucks, and delivering to over 1,600 locations. With just-in-time delivery, flexible pack sizes and emergency response.
With deep expertise in chemical applications, our team can recommend off-the-shelf or bespoke solutions, and offer a comprehensive range of lab services including testing, optimising dosing and refining treatment plans.
Helping our customers and suppliers deliver on their sustainability targets through carefully developed tools, more efficient processes, and environmentally responsible practices.
We offer a range of equipment rental solutions to help our customers with the storage and dosing of chemicals. From ISO tankers and dosing rigs to mobile bunds and tank telemetry systems.
An extensive range of proven chemical products
A wide range of polyelectrolytes for use as chemical flocculants, and specialist chemicals including aluminium sulphate and ferric sulphate for coagulation.
A specialist range of proven PH and alkalinity correction chemicals, including sulphuric acid, caustic soda, sodium carbonate and more.
A complete portfolio of carbon-based absorbents to remove contaminants such as oils, chemicals, and suspended solids.
A range of carefully developed odour and septicity control products, available in various strengths and proven across multiple applications.
A full product line including phosphoric acid and nitric acid, aimed at preventing scale build-up and corrosion, ensuring efficiency and equipment longevity.
Delivering disinfection and sterilisation for safe, clean, potable water, with chemicals including caustic soda and sodium chlorate.
Both generic and bespoke products used to break down fats, oils, and residues, ensuring clean surfaces and optimised system performance.
A wide range of chemical products including hydrofluorosilicic acid, antifoaming agents, copper sulphate, sodium thiosulphate, and more.

After over four decades as one of Ireland’s leading chemical companies, Chemifloc Group has announced a rebrand of its parent entity to CSG, an acronym for Chemical Solutions Group. This change reflects the company’s evolution into a broader family of premium chemical solution providers.

The Chemifloc Group is delighted to announce the appointment of Kevin Quinn as the Chief Executive Officer of Chemifloc Group and its subsidiaries.