Mechanical Installation and Maintenance NI

What Mechanical Installation and Maintenance NI does

MIM-NI Ltd., trading as Mechanical Installation and Maintenance NI (MIM), is a family-run private limited company founded in 1994 and headquartered in Northern Ireland, United Kingdom. The company delivers specialist mechanical installation, rigging, modular fabrication, structural fabrication, lifting engineering, design, and maintenance services from a 3,110 square metre fabrication facility in Maydown. It employs 100 or more skilled tradespeople and operates across the United Kingdom, Ireland, and mainland Europe. MIM holds ISO 9001, ISO 14001, and ISO 45001 certifications, CE Marking Execution Class 2, and is a member of the Lifting Equipment Engineers Association (LEEA).

The company serves enterprise and infrastructure clients in five core verticals: data centres, pharmaceutical and biopharma, food and beverage, power generation, and semiconductor. Its modular fabrication offering is delivered as prefabricated mechanical units built off-site and installed on client premises, with approximately 100 such units delivered to data centre customers to date. Named clients include Diageo, a London Data Centre, confidential data centre operators, and marine environmental customers. The business model is project-based industrial contracting, where revenue is generated through fixed-price and time-and-materials contracts for installation, fabrication, and ongoing maintenance engagements.

Geographically, MIM has expanded beyond its UK and Ireland home market into mainland European data centre projects, positioning the firm to capture share of the European hyperscale build-out. The combination of in-house design, fabrication, lifting engineering, and on-site installation under a single provider is the company's core commercial proposition, supported by a multi-decade track record and a portfolio of regulated-environment project references.

Name

Mechanical Installation and Maintenance NI

Legal name

MIM-NI Ltd.

Website

https://mim-ni.com

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

51–100 employees

Short description

Mechanical Installation and Maintenance NI is a family-run Northern Ireland mechanical contractor founded in 1994, delivering specialist installation, rigging, modular fabrication, and maintenance services to data centre, pharmaceutical, semiconductor, power generation, and food and beverage clients across the UK, Ireland, and mainland Europe.

Ownership category

akta.pro rank

Product category

Industrial Mechanical Engineering Services

NAICS

Industrial Machinery Manufacturing (33324), Other General Purpose Machinery Manufacturing (3339), Food Product Machinery Manufacturing (333241)

SIC

General Industrial Machinery & Equipment (3560), Special Industry Machinery, Nec (3559)

akta.pro primary industry

Mechanical Maintenance & Millwright Services (Rotating/Static Equipment) (IMAIACAB)

akta.pro secondary industries

Welding, Fabrication & Field Machining Services (On-site) (IMAIACAD), Metals & Steel Mill Facility Construction (IMAFADAF)

Keywords

• Industrial mechanical installation
• Specialist rigging services
• Metal fabrication services
• Modular fabrication
• Lifting equipment engineering

Headquarters

HQ city

Londonderry

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain, Marketing or Sales, Others

Revenue model

1. Mechanical Installation Services: Project-based installation of industrial equipment and machinery including machinery installation, specialist rigging, equipment relocation (de-install, crating, transportation, relocation, installation), and complex heavy lifting operations.
2. Fabrication Services: Specialist metal fabrication including sectional fabrications, sheet metal work in Mild Steel, Aluminium and Stainless Steel, structural steel, and custom equipment fabrication.
3. Modular Fabrication: Design, fabrication, painting, weatherproofing and installation of off-site modular units for data centre and electrical infrastructure applications.
4. Lifting Equipment Services: LOLER testing of lifting equipment, bespoke lifting equipment design and manufacturing, and installation of specialist lifting solutions.
5. Maintenance Services: Mechanical maintenance including dismantling, overhaul and repair, re-installation, commissioning, and fabrication of replacement parts. Services include planned shutdown management.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Mechanical Installation and Maintenance NI (MIM-NI Ltd.) is a family-run mechanical engineering services company that specialises in the fabrication, installation, maintenance, and relocation of industrial equipment and machinery. The company delivers integrated Design, Fabrication, and Installation services to enterprise clients in data centres, pharmaceutical, biopharma, food and beverage, power generation, and semiconductor sectors across the UK, Ireland, and mainland Europe, operating from a 3,110 sq/m workshop facility in Maydown, Northern Ireland with a skilled workforce of over 100 professionals.

Product overview

MIM (Mechanical Installations and Maintenance) is a mechanical engineering services company offering a unified portfolio of integrated services rather than discrete software products. The core offering spans Design, Fabrication, and Installation services delivered through distinct but complementary service lines: Machinery Installation/Specialist Rigging, Modular Fabrications, Fabrication, Lifting Engineers, Design Services, and Maintenance. The company operates a 3,110 sq/m workshop facility with in-house design, fabrication, quality-control and installation teams, serving sectors including biopharma, data centres, food & beverage, power generation, pharmaceutical, and semiconductor industries across the UK and mainland Europe.

Differentiator

Problem solved

Functional benefit

Products and services

• Machinery Installation / Specialist Rigging Specialist machinery installation and rigging services for data centres, digital infrastructure, pharmaceutical and high technology sectors, handling high-value, delicate equipment in clean environments. Includes full equipment relocation package covering de-installation, crating, transportation, relocation, and installation in live facilities.
• Modular Fabrications Off-site modular unit fabrication service with in-house design, quality-control and installation teams. Features a 3,110 sq/m facility with coordinated off-site fabrication, painting, and weatherproofing, plus on-site installation capabilities for data centre and electrical infrastructure applications.
• Fabrication Specialist metal fabrication service including sectional fabrications and sheet metal work in Mild Steel, Aluminium and Stainless Steel. Equipped with waterjet cutting (4m x 2m bed), plasma cutting (4m x 2m bed), and Ermaksan powerbend falcon 3m x 220 ton pressbrake.
• Lifting Engineers Design, installation and maintenance of specialist lifting equipment with LOLER testing capabilities. Includes bespoke lifting equipment design and manufacturing from concept to installation using CAD designers and installation technicians. Members of the Lifting Equipment Engineers Association (LEEA).
• Design Services In-house design team creating 2D and 3D technical drawings using CAD software for building structures and machinery fabrication and product manufacturing.
• Maintenance Repairs and maintenance services for mechanical engineering, food and beverage, and pharmaceutical facilities. Services include dismantling, overhaul, repair, re-installation, commissioning and fabricating replacement parts, with shutdown management capabilities.

Quantifiable outcome

• Successfully installed approximately 100 modular units to date on major data centre projects
• +2 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Lifting Equipment Engineers Association (LEEA)coreOthersMIM is a proud member of LEEA. Their knowledge and expertise underpin the high quality and safety standards MIM deliver, giving customers peace of mind in the company's experience from all industries all over the world.

Scale indicators5 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Bilfinger UK: European-headquartered industrial services provider offering mechanical installation, maintenance, fabrication, and heavy lifting across process industries. Comparable in service portfolio but at substantially larger scale and broader geographic reach.
• Quanta Services: Large infrastructure services provider specialising in electrical, mechanical, and fabrication solutions for power, data centres, and communications. Comparable in modular data centre and industrial mechanical services, though primarily US-focused.
• Jacobs Solutions: Global engineering, technical, and industrial services firm delivering design, fabrication, and site execution across process industries and critical infrastructure. Comparable end-to-end delivery model but at significantly larger scale.
• Babcock International Group: UK-headquartered engineering services group supporting nuclear, defence, and industrial infrastructure with mechanical and fabrication capabilities. Comparable as a UK engineering services incumbent, though at much larger scale and in adjacent verticals.
• Stork (A Fluor Company): Industrial maintenance, modification, and asset integrity services provider with mechanical installation and fabrication capabilities across energy, chemicals, and process industries. Comparable in mechanical services scope and modular execution.
• Worley: Global engineering services and project delivery firm serving energy, chemicals, and resources with fabrication, modular construction, and site installation. Comparable in modular fabrication and industrial project delivery model.
• Laing O'Rourke: International engineering enterprise with in-house fabrication, modular manufacturing, and on-site mechanical installation capabilities for data centres and infrastructure. Comparable modular fabrication capability at substantially larger scale.
• Sulzer: Swiss-headquartered industrial engineering firm providing pump and rotating equipment installation, maintenance, and repair services across process industries. Comparable in industrial mechanical installation and aftermarket maintenance model.

Regional players

• McLaren Construction Group: UK-based construction and engineering group with industrial, data centre, and mechanical installation divisions. Comparable UK industrial construction exposure, though weighted toward broader general construction than specialised heavy lift.

Direct peers

• NG Bailey: UK-based mechanical, electrical, and fabrication services firm serving data centres, industrial, and infrastructure clients. Closely comparable in scale, geography, and multi-trade engineering services delivery model to MIM.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/100063489945114
• LinkedInlinkedin.com/company/mim-mechanical-installation-and-maintenance-n-i-ltd

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mechanical Installation and Maintenance NI