Under the direction of Managing Director Simon Killeen, SEHA have developed an enviable corporate client list and project portfolio.

With years of experience in Building Services engineering for both home grown and international clients Simon and his team have positioned themselves firmly as a leading practice in the MEP engineering design field.

We have been engaged in projects across Europe, Africa and the Middle East and have developed a modern and collaborative approach to working on remote projects with critical and demanding schedules.

Our work is characterised by the highest standards of engineering and design, a reputation for innovation and results that stand the test of time.


By understanding our clients requirements, we strive to develop long term partnerships. This approach enables us to provide a high degree of service. With our in-depth experience across a broad spectrum of sectors, we challenge the norms and deliver quality and innovation to our clients timescales.


At SEHA we pride ourselves in providing our clients with the most efficient, on-time and on-budget Engineering solutions

Simon Killeen, Managing Director, SEHA Technical Services Ltd


We are committed to upholding our most cherished values in every project and task we take on.

A team of experienced construction and technical professionals are put together to meet the clients requirements and each project is guaranteed an attentive and personal service.

BIG Krakow

100,000 Sq Ft Breeam ‘Excellent’ Office Development for a Leading US Multi National Financial Services Client in the historical city of Krakow.
The first phase of the project delivered 50% of the office space and all technology areas in under 6 months.

Link Asset Services

This Grade A office fit out at 2 Grand Canal Square has a achieved an ‘Excellent’ Breeam rating.
The use of Chilled Beams and intelligent energy metering contributed to a sustainable and low energy building.

SAP Citywest

This building is an extension to the SAP campus in Citywest and was fully designed using BIM technologies with a leading architectural practice.
The challenges of a curved facade and a live building environment were largely overcome by careful planning and design

Huawei Athlone

Part of the design team for the Huawei Athlone / Dublin R&D facilities.
The design combines resilient practical engineering design in a modern architectural fit out.

2018 Fit Out Awards
-Small Commercial Fit-Out finalist

Informatica EMEA HQ

35,000 Sq Ft flagship headquarters for leading US Software development company.
First tenant at the award winning 1WML development in the newly formed SOBO business district.
Seha utilised Revit to develop a BIM Level 2 design.

Lingotto Turin / Palazzo Aporti Milan

Large US Multi National fit out in the prestigious refurbished former Italian Post Office headquarters on Via Ferrante Aporti in Milan.
Originally designed by Ulisse Stacchini, who also designed Milan's Central Station, the property overlooks Piazza Luigi di Savoia.
The redevelopment of the 280k square-foot project, which restored the 1930s building to its former grandeur and contributed to the revitalization of the area.

MIPIM finalist 2012
Satellite office fit out in the ex headquarters of the Winter Olympics Torino.
The office is located in the world famous Lingotto Building ( former Fiat head quarters )

Alchemia Gdansk

Large US Multi National office development at the 2017 Commercial Building of the year Poland
LEED Platinum certified

Scots Church

Irish Construction Excellence 2019

3 Category Nominee
Fit-Out Awards 2018

-Conservation Project of the Year
-Large Office Fit Out project of the year