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  • Building Service Design

  • Electrical Engineering

  • Mechanical Engineering

  • Lighting Consultancy

  • Environmental Solutions

  • Sustainability

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Welcome to S I Sealy & Associates

S I Sealy is one of the foremost building services engineering consultancies, with over 65 years’ experience across all market sectors.

Our general approach allows us to exceed our clients’ expectations, and ensures that we deliver projects on time and to budget. To find out more about
S I Sealy contact us now.