About Us

AS Modelling & Data are a small and friendly team based in the rural town of Shifnal in Shropshire.

We are well established as providers of atmospheric dispersion modelling for farmers, the waste water industry, waste management and general manufacturing.

Learn more about our team below.

Our Team

Steve Smith

Director and founder of AS Modelling & Data Ltd. Steve has a background in weather observation and forecasting, computer programming, coding of physical models including dispersion models at a time when such programs where not readily available for desk top computers.

Prior to AS Modelling & Data Ltd. Steve worked in the Met Office Rural Environment Team modelling ammonia, odour and industrial pollutants with a particular interest in the treatment of light winds, calms and complex terrain.


07523 993370

Phil Edgington
Dispersion Modeller

Phil is a data scientist concerned with all aspects of the atmospheric dispersion of pollution from intensive livestock rearing, waste and combustion. He has several years’ experience in this field with ADAS, the Met Office Rural Environment Team (MORET) and now AS Modelling & Data.

He has a background in spatial analysis/modelling and visualisation and Geographical Information Systems including coding and bespoke applications and he has a history of working where human activities are impacted by, or impact upon, the environment.


07771 652396

Sally Howse
Dispersion Modeller

Sally joined AS Modelling & Data full time in January 2017, prior to which she worked as an Environmental Consultant. Sally has a BSc (Hons) in Geography, an MSc in Applied Meteorology and Climatology from the University of Birmingham and is a member of the IES and IAQM.

Sally completes odour and ammonia modelling and monitoring, extracts meteorological data for the company and enjoys visiting sites with ecological importance to identify lichen and bryophytes. In her spare time she enjoys time outdoors with her horse and dog and is on the committee for the local riding club.


07483 345124

BSc (Hons), MSc, MIEnvSc

General Dogsbody

​Louis helps out in the office when required. He enjoys long walks, treats of any kind and lots of fuss.

Our Valued Partners

Ian Pick Associates Ltd
Roger Parry & Partners LLP
The Farm Consultancy Group
Silsoe Odours
Banham Poultry
Haston Reynolds Ltd
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