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applications close 20th april 2023

Did you know that a new National Liming Programme has been launched by the Government to help farmers offset part of the expense of using lime?

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Serving customers for over 60 years

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People First

Our values and principles are honesty, integrity and respect for people.

A family affair now and then

A family business since the early 1960's.

Sustainability in mind

As a company we to operate with due consideration and respect for the environment at all times.

the first computer
Historical photo of Pat, John Joe, Michael, Billy and Marguerite
Michael Senior & Mamie McGrath
Staff from the old days

“Our milk solids sold per cow to September 30th has increased over 7% with 2 less cows than last year. This was achieved with no increase in meal fed and a decrease in nitrogen use. Slurrycal is helping in that nitrogen reduction. We are seeing a better response to slurry in terms of grass growth and a marked increase in clover in our fields; in some cases where clover had all but disappeared from paddocks. The power in the slurry is allowing us to reduce our chemical nitrogen use which encourages clover growth and the cows are responding in the milk tank I am very impressed with Slurrycal and am delighted that we made the switch to it.”

John Joe O’Sullivan

Dairy Farmer

“Rusal Aughinish is the largest alumina refinery in Europe and the largest of the alumina facilities operated by UC RUSAL.The plant was built between 1978 and 1983 and had an initial rated capacity of 800,000 tonnes a year. The current annual capacity of the refinery is in excess of 1.8 million tonnes of alumina. Rusal Aughinish has always been to the forefront in terms of technology in the industry. Year after year it implements the most modern technologies available to ensure it remains one of the top alumina producers in the world.“

McGrath’s Limestone have supplied Rusal Aughinish for past number of years, during this time they have helped Aughinish to maximise efficiency by producing specialised granular and powder calcium carbonate products customised to their needs.

Rusal Aughinish

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Latest From Instagram

At McGraths Limestone, we’re incredibly proud to continuously support the local community.🏡 We were delighted to present a cheque for €1,500 to Cong Tidy Towns, whose commitment and hard work play such an important role in keeping our local are our village looking its very best. 🌲Their dedication makes a real difference to Cong, and it’s an initiative we are always proud to stand behind. Supporting local groups like Cong Tidy Towns is at the heart of what we do, and we look forward to seeing their continued positive impact in the months ahead. Pictured: Damien McGrath & Vincent Campbell. #ProudToSupport #CommunityMatters #CongTidyTowns #McGrathsLimestone
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At McGraths Limestone, we’re incredibly proud to continuously support the local community.🏡
We were delighted...

🚜🌞 Mayo Ploughing – This Sunday May 10th. Looks like we’re in for a sunny one! Be sure to stop by and have a chat with the McGraths team! As a leading producer of agricultural Grolime in the west of Ireland, we’ll be there to talk through our full agricultural range — and much more.
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🚜🌞 Mayo Ploughing – This Sunday May 10th.
Looks like we’re in for a sunny...

McGraths Limestone Cong Ltd is proud to sponsor Cong Food Village Festival🌱 We are fortunate to be a sponsor for the festival for over a decade. This is an incredible local initiative that celebrates food, community, and the rich traditions of Cong. Delighted to support a project that brings people together, champions local producers, and showcases the very best of our village and beyond.🎉 The festival will take place on July 11th & 12th. Be sure to stop by if you are in the area😁
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McGraths Limestone Cong Ltd is proud to sponsor Cong Food Village Festival🌱

We are fortunate...

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Call 094 955 3900 or visit McGraths.ie (link in bio) to learn more about our...

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Call 094 955 3900 or visit McGraths.ie (link in bio) to learn more about our...

Grolime_ie is now available from our Waulkmill Farm facility in Dunfermline, supporting Scottish farmers with high-performance lime from @McGraths_Limestone_Cong. With a TNV of 98.5%, Grolime helps correct soil acidity, improve grass quality and unlock key nutrients. Original Source: @scottishfarmernewspaper (2026, p.26). For further information, please contact: Bill Stewart – 07548918149 Email: bill.stewart@mcgrathsuk.com Read more: https://mcgraths.ie/grolime-gets-results-now-available-at-our-waulkmill-farm-charlestown-dunfermline-facility-in-scotland/
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Grolime_ie is now available from our Waulkmill Farm facility in Dunfermline, supporting Scottish farmers with...

Great to welcome 44 second-year students from the Earth & Ocean Sciences and Environmental Science programmes at @UniversityofGalway to our Cong quarry last week. The visit included a guided tour of the site and an overview of how the quarry operates, with a strong focus on environmental management, compliance, and the practical measures we take to meet and exceed our obligations at @McGraths_Limestone_Cong It’s always encouraging to engage with students studying the sciences that underpin our industry and to have open conversations around sustainability and responsible quarrying. A big thank you to Sadhbh and Declan Hughes for helping make the visit such a success. And glad to see the hats came in handy on the next field trip. Wishing the group every success with their studies and future careers. #UniversityOfGalway #EarthAndOceanSciences #SustainableQuarrying #EnvironmentalManagement #QuarryTour #StudentEngagement #SustainabilityInAction #FutureScientists
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Great to welcome 44 second-year students from the Earth & Ocean Sciences and Environmental Science...

Are you looking to be part of a strong, growing company? At @McGraths_limestone_cong, we’re always looking for talented people to join our team. Over the coming weeks, we’ll be hiring for a number of new roles. Right now, we are recruiting for: - Tipper / Low-Loader Driver - Metal Fabricator / Fitter / Welder Both roles are live on our careers page, along with application details and contact information: https://mcgraths.ie/careers/ More roles will be announced soon, so keep an eye on the page. #WeAreHiring #JobVacancies #DriverJobs #MetalFabrication #JobFairyGalway #JobFairyGalway
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Are you looking to be part of a strong, growing company?

At @McGraths_limestone_cong, we’re always...

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Soil pH is the key to unlocking your land’s full potential 🌱

Grolime from @McGraths_limestone_cong...

Happy Easter from all at @McGraths_limestone_cong
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Happy Easter from all at @McGraths_limestone_cong

🐣Easter Opening Hours 🐣– @McGraths_limestone_cong Please note we will be closed from Good Friday, 3rd April, and will reopen on Tuesday morning, 7th April. Wishing all our customers a very Happy Easter 🐣
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🐣Easter Opening Hours 🐣– @McGraths_limestone_cong

Please note we will be closed from Good Friday, 3rd...

We’re proud to announce the latest investment in our fleet with the arrival of two new Volvo FH 6. They are a fantastic addition that strengthens our ongoing commitment to quality, safety, and innovation across all operations. These new Volvo FH trucks bring exceptional benefits to our business and our customers, including: 🚛 Outstanding fuel efficiency and reduced emissions ⚙️ Advanced safety features and reliability 👨‍✈️ Enhanced comfort and technology for our drivers 🌱 Improved sustainability and performance At @McGraths_Limestone_Cong , we’re committed to continuous investment, providing the highest standards in transport, service, and sustainability. #MurphyCommercials #McGraths #FleetUpgrade #VolvoFH #InvestmentInQuality #OnTheRoad #TransportExcellence
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We’re proud to announce the latest investment in our fleet with the arrival of two...

A huge thank you to @CroiHeartStroke, and to Croí Nurse Caroline Dermody, for returning to @McGraths_Limestone_Cong today to deliver their talk on “Know Your Numbers – Understanding Your Cardiovascular Risk Factors.” We had a fantastic turnout from staff (even if a few managed to dodge the photo 📸), and the session covered everything from stroke and heart disease to key risk factors like cholesterol and diabetes. Most importantly, it highlighted the role we can all play in prevention and long-term health. We’re proud to have raised €2,200 through staff contributions, with additional support from McGraths. We hope this helps in some small way to support the incredible work Croí continues to do.
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A huge thank you to @CroiHeartStroke, and to Croí Nurse Caroline Dermody, for returning to...

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We’ve noticed the sun starting to make a few appearances lately… and not a moment...

Happy St. Patrick’s Day from all of us at @McGraths_limestone_cong As a proud Irish, family-owned business since 1963, we’re incredibly grateful to be part of the communities that have supported us for over 60 years. From our quarry in Cong to projects and farms across the region, it’s the people behind the work that make today worth celebrating. Wishing our customers, staff, suppliers and friends a fantastic St. Patrick’s Day wherever you may be. ☘️ Lá Fhéile Pádraig Sona Daoibh! #StPatricksDay #McGrathsLimestone #IrishBusiness #FamilyBusiness
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Happy St. Patrick’s Day from all of us at @McGraths_limestone_cong

As a proud Irish, family-owned...

"Ag tógáil le cáilíocht. Ag ceiliúradh na Gaeilge. Ón gcairéal go dtí an láithreán tógála. Faigh do chuid coincréite, clocha, tarmac agus bloic ar ardchaighdeán uainn an tseachtain seo. Bain triail as cúpla focal linn! @McGraths_Limestone_Cong #Seachtain #SnaG26
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"Ag tógáil le cáilíocht. Ag ceiliúradh na Gaeilge.
Ón gcairéal go dtí an láithreán tógála....

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