I A C House Winnall Industrial Estate
Moorside Road
SO23 7US
United Kingdom

- Company Summary

Founded in 1949, IAC has become the world's largest provider of noise and acoustic control products, structures and test facilities. Employing over 500 people in the IAC Group, IAC's large and diverse product range includes everything from multi-engine test cells and hush houses to TV and radio studios, audiology rooms, enclosures for noisy machinery, road barriers, anechoic test rooms, acoustic doors and windows, air handling units (AHUs), air conditioning and power plant silencers and intake/exhaust systems for warships and luxury ferries. IAC even supplies rooms to schools for music practice and to the police for interviewing crime suspects.
IAC is an experienced and enthusiastic exporter, supplying equipment to over 50 countries throughout the Americas, Europe, Africa, the Middle East and Pacific Rim, with manufacturing plants on four separate sites in the UK, France, Denmark and USA. IAC's Global Headquarters are located in Winchester, UK, approximately 100km (70 miles) from London.
In addition to the facilities directly operated by the company, IAC has manufacturing partners in low-labour-cost countries in Eastern Europe and China. IAC also has a large network of technical sales engineers, agents and distributors, offering advice and assistance to customers around the world. Several of these manufacture IAC products under license.

General Information

  • Year established


  • Registration no


  • Legal form

    Private Limited

  • Type of company

    Head Office

  • VAT

    GB 448 8703 12

  • Fax

    +44 1962 873111

  • Website



  • Accu-tone 

    broadcasting studios

  • Acoustack 

    jet engine silencer

  • Clean-Flow 

  • Conic-Flow 

    duct silencer

  • Continuline 

    acoustic louvre

  • Metadyne 

    anechoic rooms

  • Moduline 

    acoustic panelling

  • Noise-Foil 

    sound absorption panel

  • Noise-Lock Panel 

    acoustic panel

  • Noishield Louvre 

    weather louvre


  • HSBC


Area : Asia-Pacific, Central Asia, Middle East, Africa, Central/East Europe, Western Europe, North America, Central America, South America




  • Company

    100-249 Employees


  • 2014

    20 to 50 million GBP

  • 2013

    20 to 50 million GBP

  • 2012

    20 to 50 million GBP

  • 2011

    75 to 125 million GBP

Financial ratios

  • Turnover
  • Operating income
  • Shareholders


  • Mr. Calam Forsyth

    Managing Director

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