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About Gill


We are a dedicated team defined by our drive for customer focus, taking the time to understand market requirements and deliver on them, whether that’s developing and manufacturing innovative products or supporting our customers and distributors across the world. Gill has a long history of thinking creatively and utilising technology to develop innovative products that solve demanding market challenges. Quality and consistency are paramount in that process, built in at all stages from product design, manufacturing and through to customer support. Our products are inherently robust, requiring minimum maintenance and can be found across the world in some of the most arduous environments. The combination of our business processes and our people is integral to achieving the high quality that Gill is known for.

Quality Policy | Environmental Policy


Gill is an independent business made up of four companies:

Gill Instruments is a market leader with over 35 years’ experience in ultrasonic air flow measurement, including anemometers for measuring wind speed and direction. Gill currently manufacture and supply the most extensive range of ultrasonic anemometers (wind sensors) on the market. In addition, Gill manufacture a comprehensive range of weather stations from cleverly designed compact varieties through to reference grade stations.

Gill Sensors & Controls is a leading manufacturer of innovative measurement sensors, relied upon to inform and control processes in a diverse range of industries and applications. The range encompasses specialist level sensing, condition monitoring, position sensors and engine control products for the process control, utilities, off-highway, motorsport and defence markets. Gill Sensors & Controls are well known for high quality ‘fit and forget’ products, clearly understanding that long term product performance is paramount to customers.

Labcal is a dedicated team of highly experienced engineers providing specialist UKAS accredited calibration services across a wide range of parameters.

Gill Research & Development is the product design and innovation behind the Gill companies. With broad engineering capabilities combined with unique technical expertise in measurement technologies they’re focused on designing products to solve the market’s most challenging problems.

Business Facilities

Gill has invested in significant facilities to allow it to deliver product innovation, quality and exceptional service and support:

  • 4500m² of engineering, manufacturing and office facilities
  • CNC machine prototyping facility
  • Environmental test chambers
  • Pre compliance EMC (electromagnetic compatibility) facility
  • Temperature chambers
  • Bespoke test equipment
  • Printed circuit board surface mount manufacturing capability
  • Assembly lines for precision electronic products
  • UKAS accredited high speed wind tunnel for test and calibration
  • Liquid level, liquid flow, gas flow, pressure, temperature, humidity and air velocity calibration equipment and services

We at Gill are proud of our family heritage which resonates today through our excellent products, independence of action and our speed to react when our customers need.

Talk to us, real people who can understand and respond to your issues.



Our History

Four cutting-edge businesses

Gill products lead in their chosen markets and the Gill Group is committed to substantial ongoing investment in NPD.

LevelSlick launched

Gill Sensors & Controls launches LevelSlick, conductive level sensor, based on novel technology, allowing level measurement in challenging liquids.

WearDetect launched

Gill Sensors & Controls launches a new product with innovative technology to monitor and predict gearbox and engine oil condition. The Oil Debris Sensor provides monitoring capability to major manufacturers across the world

Labcal joins the Gill Group

Gill acquires Labcal Limited, a bespoke calibration company.

Gill Instruments launch MaxiMet

MaxiMet®, compact weather stations provide users with an easy-to-use, high quality range of integrated weather stations able to measure a wide range of parameters.

Gill Sensors & Controls founded

Gill Sensors branches out to become its own Limited company, Gill Sensors & Controls, expanding to a new office and manufacturing facilities on Ampress Park.

Homologated F1 sensors

The Gill Ultrasonic Fuel Flow Meter becomes the only homologated fuel measurement device and is supplied to F1 and WEC 2014/2015 racing championships.

Gill supply the MOD

Gill wins a large contract with the British Ministry of Defence for the supply of specialist detector products and moves to a new location at Saltmarsh Park Industrial Estate.

Gill Sensors founded

A new business unit, Gill Sensors, is set up to design and manufacture inductive, ultrasonic and capacitive measurement sensors.

Gill creates first ‘capped’ anemometer

Windsonic, becomes the most innovative and subsequently most imitated product on the market.

2-axis anemometer

WindObserver, 2-axis ultrasonic anemometer developed and launched.

Gas flow contract

Gill partners with British Gas to develop and supply the first ultrasonic gas meter with no moving parts, to be installed to measure gas flow into domestic properties.

GIll Instruments founded

Gill’s first 3-axis anemometer is released.

Gill launch first anemometer

Gill launch their first ultrasonic anemometer

Gill company founded

Gill Electronic Research & Development Limited is established by Mike and Lesley Gill in Lymington, UK, as an innovative engineering company.


Gill Group companies have many accreditations and all Gill products are rigorously tested with many holding specific approvals. 

Our Company accreditations and approvals:

Gill Instruments

  • ISO 9001:2015 Quality Management
  • ISO 14001:2015 Environmental Management 
  • SIRA 09 ATEX M453 Production Quality Assurance Notification for manufacture of equipment for use in potentially explosive atmospheres
  • SIRA IECEx Certification for manufacture of intrinsically safe equipment

Gill Sensors & Controls

  • ISO 9001:2015 Quality Management
  • ISO 14001:2015 Environmental Management
  • SIRA 09 ATEX M453 Production Quality Assurance Notification for manufacture of equipment for use in potentially explosive atmospheres
  • SIRA IECEx Certification for manufacture of intrinsically safe equipment


  • UKAS accreditation, ISO/IEC 17025:2017

Gill Research & Development

  • ISO 9001:2015 Quality Management
  • ISO 14001:2015 Environmental Management

Product specific approvals include:

  • Intrinsically safe (IS) products for use in hazardous areas (ATEX & IECEx certified)
  • Vibration tested products for marine environments (BS EN 60945) impact resistance (UL2218 Class 1)
  • Ingress protection ratings (up to IP69 and IP69K)
  • Products used as part of FAA and CAA approved airport installations
  • Marine and offshore approved products (Lloyd’s Register Type Approved)
  • VCA CoP (Vehicle Certification Agency, Conformity of Production)
  • China Classification Society Certificate of Type Approval (wind anemometer)