JAC.Ltd

JAC.Ltd Ireland's Lightning Protection Specialists. We design, install, test and certify Lightning Protection systems to the highest standards throughout Ireland

JAC Ltd is a wholly owned Irish company which was set up by Joseph A. Clancy in 2007. As Engineering and Design specialists, we have been designing, installing, testing and certifying Lightning Protection (Internal & External) systems for over 36 years and maintain a full training schedule for our electrically qualified Lightning Protection installers. We can also provide you with annual maintenan

ce proposals, all in accordance with the requirements of I.S./B.S. EN 62305. Our continued association with Furse UK products, going back to 1974, is testament to our insistence on the utmost quality and performance to our designs and installations. Our provided services are at your disposal; from a full turnkey solution to selected single components of Risk Assessment, Design, Supply, Installation, Testing and Certification of Lightning Protection, Earthing, Lightning Current and Coordinated Surge Protection.

🎄 Season’s Greetings from JAC Ltd 🎄As we head into the Christmas break, we’d like to take a moment to say thank you.To o...
22/12/2025

🎄 Season’s Greetings from JAC Ltd 🎄

As we head into the Christmas break, we’d like to take a moment to say thank you.

To our customers and partners – thank you for your trust and continued support throughout the year.
To our suppliers – thank you for your reliability and collaboration.
And to our incredible JAC team, along with your families – thank you for your hard work, dedication, and support behind the scenes.

We are proud of what we’ve achieved together and look forward to continuing our work with you in the year ahead.

Please note that our offices will reopen on Monday, January 5th.

From all of us at JAC Ltd, we wish you a happy holiday season, a well-earned break, and a healthy, successful 2026!

29/08/2025

⚡ Consulting engineers, electrical contractors, main contractors, and facility managers, ensuring compliance with EN 62305 isn't just about providing a cert — it’s about protecting lives, assets, equipment & operations.

At JAC Lightning Protection, we specialise in the design, supply, installation, testing, and certification of fully compliant lightning protection and surge protection systems across Ireland, the UK, and Europe.

Whether you're working on a new build, retrofit, or maintenance project, we provide:
✅ EN 62305-compliant risk assessments & system design
✅ Turnkey lightning and surge protection solutions
✅ Expert support from design stage to final certification
✅ Transparent communication and coordination with all stakeholders

We work closely with project teams to integrate protection systems seamlessly, ensuring compliance, performance, and peace of mind — on time and on budget.

Explore our services at ⚡ www.JAC.ie

Reach out to discuss your project/facility directly - [email protected] / [email protected]

We would like to wish all of our customers, colleagues & partners a very Merry Christmas and a Happy New Year! Enjoy the...
20/12/2023

We would like to wish all of our customers, colleagues & partners a very Merry Christmas and a Happy New Year! Enjoy the break with your loved ones 🎅 ⚡ 🌐

We would like to wish our valued customers, employees & their families a very Happy Easter. We hope you all have an Eggc...
07/04/2023

We would like to wish our valued customers, employees & their families a very Happy Easter. We hope you all have an Eggcellent long weekend break!

Happy   Today and everyday, JAC.Ltd is committed to this year’s theme for  , “DigitALL, Innovation and technology for ge...
08/03/2023

Happy

Today and everyday, JAC.Ltd is committed to this year’s theme for , “DigitALL, Innovation and technology for gender equality” to , a focus on gender equity. At JAC, we celebrate and support all of our female colleagues. We believe strongly in the following quote, “Empowering Women isn’t just the right thing to do, it’s the smart thing to do”.

We can all help to work towards an inclusive workforce where everyone can feel welcomed and empowered to achieve individual and collective goals across all industries.

https://aibf.ie/times/episode-78-joseph-clancy-jac-ltd-secrets-of-a-successful-family-business/ Check out the above link...
10/02/2023

https://aibf.ie/times/episode-78-joseph-clancy-jac-ltd-secrets-of-a-successful-family-business/

Check out the above link to All-Ireland Business Foundation AIBF Business Talk Podcast and our Business Development Dir. Joseph`s chat with Elaine Carroll (BBS, AITI, QFA) about JAC.Ltd - Lightning Protection Engineering and our day to day business.

The AIBF is delighted to be working with Joseph and JAC Ltd, which is a three-in-a-row Business All-Star. Joseph is also a proud recipient of the best lightning and protection company for 2023 accreditation by the All-Ireland Business Foundation (AIBF).

Following our 3rd year in a row award, we are very excited to let you know that our Business Development Director Joe Cl...
10/02/2023

Following our 3rd year in a row award, we are very excited to let you know that our Business Development Director Joe Clancy will be speaking with Elaine of the All-Ireland Business Foundation today on Episode 78 of their podcast. A quick chat about what we do and some of our day to day in the lightning protection world.

🎅 Happy Christmas to all JAC staff, customers & suppliers! A huge Thank You for your support, hard work, and custom thro...
22/12/2022

🎅 Happy Christmas to all JAC staff, customers & suppliers! A huge Thank You for your support, hard work, and custom throughout 2022!

JAC offices will be closed from Thur 22nd and back open on Wed 4th Jan 2023.

Enjoy the break with your loved ones! 💚 🎄

We are extremely delighted to be named Business All Stars ⚡️ Lightning Protection & Earthing Company of the year for the...
13/06/2022

We are extremely delighted to be named Business All Stars ⚡️ Lightning Protection & Earthing Company of the year for the 2nd year in a row! Thank you to our valued customers and wonderful hardworking staff and thank you to All-Ireland Business Foundation for this award, we are very proud and appreciate the recognition! 😃

Joseph A. Clancy Ltd (JAC) was established as a specialist lightning protection engineering company after many years in the industry.

Happy Easter to all! Have a safe and enjoyable weekend!       🐇🥚 😀
15/04/2022

Happy Easter to all! Have a safe and enjoyable weekend! 🐇🥚 😀

09/03/2022

We are delighted to announce that JAC Ltd has been named Lightning Protection & Earthing Specialist Company of The Year 2022 by the All-Ireland Business Foundation.
This is our second Business All-Star Accreditation which underlines our ongoing commitment to maintain the highest of standards and excellence in our industry.
We are proud to display the All-Ireland Business Foundation AIBF marque which shows our customers that we place quality at the core of everything we do.
JAC Ltd would like to take this opportunity to thank our valued customers and employees - this achievement would not have been possible without your support. Thanks!

Address

Unit 10, Block 1, Burnell Square, Mayne River Way, Malahide Road
Raheny
DUBLIN17

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 4:30pm

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