268 architecture & engineering businesses listed in Co. Antrim: typically €1,500 - €15,000+ for initial design and planning, with ongoing fees often calculated as a percentage of build cost..
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Slemish Design Studio Architects in Ballymena, Co. Antrim, provides architectural services for residential projects. They design new homes, renovations, extensions, and rural projects. Their work spans contemporary and traditional styles, serving clients across Northern Ireland, Ireland, and beyond.

Ballymena, Co. Antrim is home to Richard Burnside Architecture, a multidisciplinary practice specialising in contemporary residential architecture. They offer planning consultancy and architectural design services for new builds, extensions, renovations, and roof space conversions. Their approach focuses on simple, beautiful, and sustainable design using natural, low-carbon, and local materials.
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Carn Engineering Ltd. is an Architecture & Engineering business in Ballyclare, Co. Antrim that offers statutory engineering testing, inspections, examinations, and certification for workplace machinery and equipment. They specialise in lifting equipment examinations (LOLER), work equipment inspections (PUWER), pressure equipment examinations (PSSR), working at height equipment inspections, and local exhaust ventilation testing (LEV). Carn Engineering Ltd. also provides engineering consultancy services and uses Motion Software for reporting.




Ballymena, Co. Antrim - Marshall McCann Architects is an architecture and engineering practice specialising in Passive Houses and energy-efficient contemporary homes. They undertake projects including house extensions, one-off houses, residential developments, hotels, commercial, and retail work across Ireland and the UK.


MH Fire Safety Ltd. in Ballymena, Co. Antrim is an Architecture & Engineering firm providing fire engineering consultancy. They deliver compliant fire strategies, fire risk assessments, and façade fire engineering solutions. MH Fire Safety works with developers, architects, and contractors to ensure projects meet Building Regulations, Approved Document B, and BS 9999 requirements. Their services include fire engineering for protection and prevention systems, building facade engineering for exterior materials, and fire safety assurance for ongoing system monitoring and improvement.






As an Architecture & Engineering service, Brian Corbett Landscape & Garden Design Belfast in Carrickfergus, Co. Antrim creates outdoor spaces by blending architecture and horticulture. They design gardens for private clients and public realm initiatives, with a focus on sustainability and respecting the natural environment. Their designs connect the broader landscape with residential gardens, creating functional and visually appealing spaces.



Raceview Mill in Ballymena, Co. Antrim, is a heritage business park located in a 200-year-old former woollen mill. It now hosts over 35 businesses and features a Heritage Gallery, a rescued water wheel, and a rescued turbine. The site includes the Wool Tower, a venue for weddings and conferences, and FLAX, a steakhouse and coffee shop.
FMK Architecture Ltd is an architecture practice in Ballymena, Co. Antrim. They specialise in bespoke energy-efficient designs, including Passive and ECOHome designs. Their services cover architectural design, detailed solutions, construction detailing, thermal analysis, and on-site supervision. FMK Architecture Ltd works on projects ranging from home extensions and renovations to modern and traditional builds, commercial units, and agricultural buildings. They also offer a full design and build solution.

OD3 BIM, an Architecture & Engineering firm in Antrim, Co. Antrim, specialises in structural steel detailing and digital construction. They offer a singular digital process from point cloud capture to fabricated steel, encompassing surveying, BIM coordination, structural engineering, steel detailing, project delivery, and onsite set-out services. Their capabilities include laser scanning with ±2mm accuracy, BIM coordination and clash detection, connection design and analysis, Tekla Structures detailing, 4D planning, and robotic total station set-out.
GUK Magnetics in Lisburn, Co. Antrim is a supplier of industrial magnets, magnetic assemblies and engineered components. They provide custom magnetic solutions, Neodymium magnets, AlNiCo magnets, Samarium Cobalt magnets and Ferrite magnets. GUK Magnetics also offers services including die casting, CNC machining, metal injection moulding, injection moulding, pressed parts and extruded parts. They support engineers, buyers and manufacturers with production requirements and bespoke applications.
James Neill Chartered Architects in Ballyclare, Co. Antrim, offers architectural design and technical consultancy services. They provide a full range of services across all construction sectors, including sustainable design and the integration of renewable energy sources. Their services are available across Northern Ireland and the United Kingdom.

Antrim, Co. Antrim offers landscaping services from Antrim Landscaping & Fencing Services. This Architecture & Engineering business provides soft landscaping, including turfing and bedding, as well as hard landscaping such as patios, paving, walls, and steps. They also offer fencing and decking, and driveway paving.
EP Services, an Architecture & Engineering firm in Larne, Co. Antrim, specialises in the engineering design of retaining walls. Their services include the design of gabion wall systems and modular block wall systems, utilising gabion baskets. EP Services offers engineering support from concept to construction for retaining wall projects, including engineering calculations and specifications. They collaborate with contractors, consulting engineers, architects, developers, and private clients.

Team Air Power, an Architecture & Engineering business in Antrim, Co. Antrim, distributes compressed air systems and process temperature control systems. They provide solutions including compressors, dryers, air treatment products, vacuum pumps, blowers, nitrogen generators, and pipework systems. They also supply process chillers and temperature control units for various applications.
KnoxClayton Architects is an architecture and engineering firm based in Lisburn, Co. Antrim. The practice undertakes residential and commercial projects across Northern Ireland, Ireland, and the UK. Their work spans various sectors including education, health, industrial and office buildings, public and leisure facilities, residential developments, private homes, and house extensions.


Ballymena, Co. Antrim, Architectural Design Services provides architectural design for new builds, commercial projects, granny flats, and extensions, including disability adaptations. They offer project management and 3D computer-generated drawings. The practice also serves as qualified energy assessors, focusing on optimising designs for energy efficiency and low maintenance.
Lisburn, Co. Antrim. D G GREEN & SONS Ltd is an Architecture & Engineering firm providing building, civil engineering, facilities management, and landscaping solutions. They serve the domestic, commercial, and private markets.


CMI Planners & Architecture, an Architecture & Engineering firm in Antrim, Co. Antrim, provides architectural services for projects from inception to completion, including site supervision and mortgage certificates. The practice offers planning and development advice, feasibility studies, planning appeals, and Environmental Impact Assessments. Their portfolio includes private residential dwellings, apartments, bars, nightclubs, industrial warehouses, sports grounds, factories, office suites, care homes, wind turbines, AD digesters, PV panels, and the conversion of listed buildings. They also offer a no win no fee service on farm applications.

Carrickfergus, Co. Antrim, Beyond Signage LTD provides bespoke signage solutions. They offer a full service including consultation, design, manufacturing, and installation. Products include fascia signage, flex faces, graphics, lettering, totems, monoliths, and wayfinding signs. Beyond Signage LTD serves industries such as architectural, educational, health, leisure & tourism, petroleum, and retail. Their manufacturing processes are certified to ISO:9001 quality standards, and steel structures are CE Certified to EN1090 Execution Class 2. Installation teams are registered and qualified for site work.






Warwick Architects, an architecture and engineering firm in Ballyclare, Co. Antrim, provides individual design for residential, conservation, and commercial projects. They undertake home extensions, barn conversions, listed building conversions, and new builds, focusing on creating durable, beautiful, and long-lasting structures.










HSI-NI Limited is an Architecture & Engineering firm based in Lisburn, Co. Antrim. The company provides inspection and consulting services, including non-destructive examination and special assessment services for steam methane reformers. They also offer rope access services.


Armstrong Surfacing Ltd is an Architecture & Engineering business based in Lisburn, Co. Antrim. They specialise in roadworks, carparks, utility works and patching, kerbing and drainage works, shop forecourts, site preparation, civil engineering works, building sites, driveways and laneways.


Walsin Ltd is a façade specialist contractor based in Lisburn, Co. Antrim. They design, develop, and manufacture bespoke architectural building façades. Services include curtain walling, windows, rainscreen cladding, and louvres/solar shading. They offer single-sourced façade solutions and support clients throughout the UK.


FMK ECOHomes, an Architecture & Engineering practice in Ballymena, Co. Antrim, specialises in the design and build of low-energy and passive eco-homes. They offer pre-designed and pre-costed homes, with options for bespoke designs tailored to client specifications. FMK ECOHomes can also upgrade existing plans to their eco-home standard. Their services cover the entire building process, from obtaining planning permission to full construction, painting, and furnishing. They also provide eco-upgrades and eco-extensions.

Ballymena, Co. Antrim. Solve Engineering provides outsourced mechanical engineering design services. Their specialities include 3D machine design, manufacturing drawings, and prototyping services. They use Solidworks for precision and innovation, creating detailed 3D solid models and engineering drawings with CNC-ready files. Solve Engineering also offers manufacturing sourcing and specialist product manufacture for the local manufacturing industry.
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Co. Antrim has 268 architecture & engineering businesses listed on LocallyIrish. The highest-rated are Studio PARK Architects (5.0★ from 35 Google ratings, Belfast), James Wright - Chartered Building Surveyors (5.0★ from 33 Google ratings, Belfast) and Slemish Design Studio Architects (5.0★ from 32 Google ratings, Ballymena). New this month: Neil Mathews Architects, Ventus Energy and Bailie Associates. Tap Near me to sort by distance and find the closest to you.
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We list 268 architecture & engineering businesses across Co. Antrim.
Tap “Near me” at the top of the list to sort the 268 architecture & engineering businesses in Co. Antrim by distance from your current location and see the closest first.
Studio PARK Architects in Belfast is the top-rated, with 5.0 stars from 35 Google ratings. 182 of the 268 architecture & engineering businesses in Co. Antrim carry a customer rating, averaging 4.7 out of 5. The full ranking is at locallyirish.ie/best-of/architecture-engineering/antrim, where each entry states whether the score comes from reviews left here or from Google.
Across Ireland, architecture & engineering services typically cost €1,500 - €15,000+ for initial design and planning, with ongoing fees often calculated as a percentage of build cost., and Co. Antrim is generally in that range. Rates vary with the job, the callout distance and how quickly you need it — our architecture & engineering cost guide breaks down the price by job.
Of 268 architecture & engineering businesses in Co. Antrim, 256 publish a phone number and 210 list their opening hours. A claimed listing carries a Verified badge on its profile.
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