Ilir Nabolli
Director
Shef Kraja
Director
The Group Directors

Ilir Nabolli & Shef Kraja

Our leadership team is built on hands-on experience, long-term vision, and a shared commitment to quality.

Founded by Ilir Nabolli and Shef Kraja, I&S Construction is guided by directors who’ve worked on the ground, managing projects from fixings to final handover. Their practical expertise sets the tone for a company that values precision, reliability, and direct client relationships.

Founded by Ilir Nabolli and Shef Kraja, I&S Construction is guided by directors who’ve worked on the ground, managing projects from fixings to final handover. Their practical expertise sets the tone for a company that values precision, reliability, and direct client relationships.

Our Leadership Team

The People That Implement Our Values

Supported by a skilled commercial and technical team, our leadership drives each project with integrity, precision, and attention to detail. From early-stage estimating and procurement through to on-site management, compliance, and delivery, every leader plays a crucial role in maintaining the high standards our clients rely on. Together, they ensure that our values—efficiency, sustainability, and accountability—are implemented across every aspect of our work, setting the foundation for consistent, high-quality results.

Colin Frondigoun
Commercial Director
Elona Kraja
Finance Director
Suela Nabolli
Compliance Director
George Bruin
Operations Director
Our Team

Meet the whole team

Behind every project is a team of skilled professionals who bring expertise, precision, and care to everything we do. From leadership to site operatives, each member plays a vital role in delivering the quality and reliability I&S Construction is known for.

Ilir Nabolli
Director
Shef Kraja
Director
Colin Frondigoun
Commercial Director
Elona Kraja
Finance Director
George Bruin
Operations Director
Suela Nabolli
Compliance Director
Edison Sheta
Commercial Manager
Glenn Giddens
Senior Project Manager
Ian Cowell
Quantity Surveyor Manager
Jonathan Stockton
Senior Project Manager
Julie Sterling
Admin Controller
Matthew Crouch
Senior Project Manager
Ritvan Mazzreka
Technical Manager
At I&S our mission is simple:

Deliver high quality construction solutions while actively working towards a net-zero carbon future

  • Reducing our environmental impact
  • Openly sharing our carbon emissions and sustainability progress
  • Building long-lasting relationships with clients based on trust and integrity
  • Delivering every project with precision, care, and forward-thinking practices
2003
ILIR & SHEF FOUNDED I&S CONSTRUCTION
2011
I&S Construction starts providing Lightweight Steel Framing
2015
Colin Frondigoun joins to free up ilir & shef
Our Projects

The projects that
shape our mission

Every project we take on reflects the standards we stand for—quality, sustainability, and reliability. These builds are more than structures; they’re the foundation of our values in action, driving us to improve, innovate, and deliver better outcomes every time.

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Explore All Projects

Our Strategy

At I & S Construction, our strategy centers on delivering high-quality construction services while embracing sustainable practices. We prioritize efficient project execution, integrating modern construction techniques to minimize environmental impact and promote energy efficiency.

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AWARENESS

We cultivate a culture of environmental consciousness across our teams, ensuring that sustainability principles are embedded in every stage of our construction processes.

TRACKING

By implementing robust monitoring systems, we track our resource usage and emissions, enabling data-driven decisions to enhance our sustainability performance.

PLANNING

Our project planning incorporates sustainability goals, aligning construction activities with environmental standards and client expectations for greener outcomes.

CARBON OFF-SETTING

We engage in carbon offset initiatives, investing in projects that compensate for our emissions, thereby contributing to global efforts to combat climate change.

SUPPLY CHAIN

We collaborate with suppliers committed to sustainable practices, ensuring that our procurement processes support environmental responsibility throughout the supply chain.

At I & S Construction, our strategy centers on delivering high-quality construction services while embracing sustainable practices. We prioritize efficient project execution, integrating modern construction techniques to minimize environmental impact and promote energy efficiency.

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What we offer

Our divisions

I&S

DRY LINING

We provide professional dry lining services including plasterboard installation, metal stud partitions, suspended ceilings, tape and jointing.

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I&S

LIGHTWEIGHT
STEEL FRAMING

We deliver precise lightweight steel framing using cold-rolled steel systems, ideal for structural framing, infill panels, and modern build methods.

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I&S

CONSTRUCTION

We handle full structural builds from foundations to roofing, including concrete works, steel frames, brickwork, and external facades.

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Contact

We are a nationwide construction company based in London with key sites in Newcastle, Manchester and Oxford. If you would like more information about our services or want to discuss a project please get in touch.

Address

Regus Building,
Victory Way, Admirals Park,
Dartford DA2 6QD

Phone

020 8504 4533

Email

admin@iandsltd.co.uk

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