MAC ltd.

What MAC ltd. does

MAC ltd. (legal name: The National Microelectronics Applications Centre Ltd) is an Irish private company founded in 1981 and headquartered at Suparule House on the National Technology Park in Limerick. The company designs and delivers web-enabled wireless sensor network platforms for distributed infrastructure monitoring, built on Zigbee-based open standards with SCADA, GPRS, Ethernet and WiFi connectivity options. Its two core commercial platforms are GRIDwatch, targeting medium and low voltage power distribution network operators with earth fault monitors, retro-fit fault indicators, and load current monitors; and WaterWatch, supporting water quality, environmental, agricultural irrigation, and air quality monitoring for government agencies and environmental organizations.

The company operates a dual revenue model combining hardware product sales (sensor nodes, gateways, monitors sold as standalone units or retro-fit modules) with subscription-style web application software for data management, alarm handling, and reporting. A third revenue stream comes from international R&D consultancy and participation in pan-European EU Framework Programme consortia, including SmartOpenData (€3.2m), I2Web (€2.7m), WaterBee, OKKAM, EuroPetition, and CitizenScape. Go-to-market is engineering-led rather than sales-led: customers reach MAC through a website contact form and are engaged directly by engineers for technical consultation, targeting power utilities, government local authorities, and environmental monitoring organizations.

MAC's customer base is concentrated in Ireland and the broader EU, with named reference customers including Limerick County Council, Fingal County Council, Mid-West Regional Authority, and the Marine Institute (Newport, Mayo). The company has delivered over 450 commercial projects since 1981 and ranks among Europe's top 10 SME contractors in EU ICT development projects. Leadership consists of Dr. John O'Flaherty (Managing Director) and Connor O'Reilly (Company Secretary); the company has no disclosed external investors, parent entity, or venture backing, and operates without publicly disclosed revenue figures.

Name

MAC ltd.

Legal name

The National Microelectronics Applications Centre Ltd

Website

https://mac.ie

Company type

Private

Founded year

1981

Operating status

Operating

Short description

MAC ltd. is an Irish private company, founded in 1981 in Limerick, that designs Zigbee-based wireless sensor platforms for power utilities, environmental agencies, and local authorities. Its GRIDwatch and WaterWatch product lines deliver real-time monitoring of distribution networks and water/air quality, sold engineer-to-customer.

Ownership category

akta.pro rank

Product category

Industrial Wireless Sensor Monitoring Systems

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Other Measuring and Controlling Device Manufacturing (334519), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Line Monitoring & Sensors (DLR, conductor temperature/sag, fault passage, vibration/icing sensors) (EUADADAL)

akta.pro secondary industries

Condition Monitoring Sensors & IoT (online/offline monitoring, edge devices) (EUADAJAD), Smart Grid Sensors & Monitoring Deployment (PMUs, Line Sensors, Fault Indicators) (EUAEANAH), Power Quality, Line Monitoring & Grid Edge Sensors (PMUs/µPMUs) (EUADAPAO)

Keywords

• Wireless sensor networks
• Smart grid monitoring
• Water quality monitoring
• Environmental monitoring systems
• Embedded electronics design

Headquarters

HQ city

Limerick

HQ country

Ireland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Technology or R&D, Supply Chain, Operations, Marketing or Sales

Revenue model

1. Hardware Product Sales: Sale of wireless sensor products including GRIDwatch monitoring units (CFM, CFM-R), Load Current Monitors, and WaterWatch sensor nodes and gateways. Products are sold as standalone units or integrated into existing infrastructure.
2. Software and Web-Enabled Solutions: Web-based application software for data management, monitoring, reporting, and alarm management. Includes server applications for sensor network management and decision support systems.
3. International Consultancy Services: Technical consultancy services provided since 1981, including product design and development, collaborative R&D projects, and end-to-end distributed system solutions.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels3 records

Core offering

MAC designs, manufactures and sells proprietary wireless sensor network platforms and smart sensor products for real-time monitoring of distributed infrastructure. Core product lines are the GRIDwatch platform (cable fault monitors, retro-fit fault indicators, and load current monitors for medium and low voltage distribution networks) and the WaterWatch platform (water quality, air quality, and agri-monitoring sensor nodes and gateways). The offering is built on open Zigbee wireless standards with IEC compliance and SCADA integration, complemented by R&D consultancy services.

Product overview

MAC ltd. (The National Microelectronics Applications Centre Ltd) is an Irish technology company founded in 1981, providing integrated web-enabled wireless platform solutions. The product portfolio centers on two core platforms: GRIDwatch for power utility monitoring (covering earth fault monitoring, load current monitoring, and cable network monitoring for medium/low voltage distribution networks) and WaterWatch for environmental monitoring (covering water quality, water level, pollution alerts, agricultural irrigation, and air quality). Both platforms are built on standards-based Zigbee wireless communications with plug-and-play deployment. The company also offers product design and development consultancy services with over 25 years of experience, and participates in multiple EU R&D projects including OKKAM, EuroPetition, CitizenScape, WaterBee, SmartOpenData, and I2Web focused on Web accessibility.

Differentiator

Problem solved

Functional benefit

Brands

• GRIDwatch: Low-cost wireless platform and smart sensor solution for monitoring underground cable networks, overhead line networks, and sub-station assets on medium and low voltage distribution networks.
• WaterWatch
• CLARA

Products and services

• GRIDwatch

Quantifiable outcome

• Reduces time to fault detection on distribution networks
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Five partnerships are on record, tiered core and minor.

• SmartOpenData Consortium (16 Partners)coreStrategic or Co-development Partner · 1 November 2013MAC is a partner in the €3.2m SmartOpenData EU FP7 project focused on bridging linked open data and spatial data for environmental management. MAC contributes user requirements, environmental research, biodiversity data support, validation pilot in Ireland, and sustainable exploitation of the platform. The project involves 16 partners across Europe including Empresa de Transformación Agraria S.A., research institutions, and government agencies.
• I2Web ConsortiumcoreStrategic or Co-development Partner · 1 January 2008MAC participates in the €2.7m I2Web (Inclusive Future Internet Web Services) project funded by EU Framework 7 ICT Programme. Led by Fraunhofer Institute FIT, the project develops tools to help web developers create accessible Web 2.0 applications for disabled and older users. MAC extends the impact of I2Web tools in both public and private sectors throughout the EU.
• Ember CorporationcoreTechnology or IntegrationPartnership with Ember Corporation, a key promoter of the ZigBee Alliance, ensures MAC clients have early access to cost-effective, low-power mesh networking technology based on open global standards. This partnership validates MAC's wireless platform standards compliance and provides interoperability assurances.
• Sindice LtdminorStrategic or Co-development PartnerIrish partner in the SmartOpenData consortium focused on linked open data technologies.
• Fraunhofer Institute for Applied Information Technology FITcoreStrategic or Co-development PartnerLeading partner in I2Web project and collaborator in SmartOpenData. Provides technical leadership in accessible technology and linked open data development.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Hach (Danaher): Hach provides industrial and environmental water quality monitoring instruments and sensors (pH, DO, turbidity, conductivity) overlapping with MAC's WaterWatch sensor family. Operates as a larger global environmental instrumentation brand serving regulated utilities and agencies.
• Xylem (YSI): Xylem's YSI brand manufactures multi-parameter water quality sondes and continuous monitoring instruments closely aligned with MAC's WaterWatch sensors (DO, turbidity, pH, conductivity). Xylem is larger and more established in fixed water monitoring deployments.

Broad incumbents

• Schneider Electric: Schneider Electric offers EcoStruxure and PowerTag industrial energy sensors, power monitoring, and grid edge solutions overlapping MAC's GRIDwatch and LCM products, but as part of a much broader portfolio including switchgear, building automation, and grid management.
• Siemens Smart Infrastructure: Siemens offers grid management, distribution automation, and power quality sensing comparable to MAC's GRIDwatch offerings, as part of its much larger digital grid and smart infrastructure portfolio targeting utilities globally.
• Itron: Itron delivers smart grid, AMI, and distribution sensing solutions to utilities, partially overlapping with MAC's distribution monitoring and Zigbee-mesh networking capabilities. Much broader portfolio covering electricity, gas, and water metering.
• Landis+Gyr: Landis+Gyr provides smart metering, distribution intelligence, and grid edge sensors serving the same utility customers as MAC. Operates at vastly larger scale with full AMI platforms; MAC's distribution monitoring platform is a narrower overlap.
• ABB (Hitachi Energy): ABB (now Hitachi Energy) supplies grid automation, distribution sensors, and fault passage indicators serving similar utility customers as MAC's GRIDwatch. Operates as a large incumbent with a full substation-to-end-point portfolio spanning far beyond MAC's niche.

Direct peers

• S&C Electric Company: S&C Electric manufactures switchgear and intelligent grid products including fault indicators and distribution monitoring, directly overlapping with MAC's CFM and LCM offerings. Both sell into utilities for distribution network reliability and fault detection.
• Sentient Energy: Sentient Energy provides fault detection and power quality monitoring sensors for distribution networks, directly competing with MAC's GRIDwatch CFM/CFM-R fault indicators on LV/MV lines. Both companies target utility operators with retrofittable wireless monitoring solutions.
• Trilliant Holdings: Trilliant provides smart grid communications and AMI/DA platforms for utilities using RF mesh and IP networking. Comparable to MAC's Zigbee-based wireless sensor platform, both target distribution automation and grid edge intelligence use cases.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 MAC ltd.