McGill SoilBuilder®: premium compost delivers premium results

McGill composts and compost blends are high-performance products formulated for professional markets. These include sports turf, erosion control, stormwater management, landscape contractors, and lawn and garden retailers.  We also make a product formulated for conventional agriculture.

McGill SoilBuilder® is certified under the U.S. Composting Council’s Seal of Testing Assurance (STA) program.  SoilBuilder® is the base ingredient of our blended products.  We supply bulk, professional-grade compost products by the tractor-trailer load.

Don’t need a big load for your project?  Purchase only what you need from one of our authorized resellers.  McGill SoilBuilder® is also available in 1 cu. ft. bags. from landscape supply outlets and garden centers.


Our indoor, climate-controlled facilities have been designed for the manufacture of premium compost products.  McGill’s facility designs, systems and technologies offer scientifically-enhanced composting processes that deliver:

 tick Higher yields with fewer chemicals Create healthier soil structure.  Increase organic matter essential to key soil processes and organisms.
 tick More water where you need it Improve growing conditions.  Boost the water-holding capacity of your soil.  Keep more moisture at the root zone.
 tick Improved drainage Reduce water-logging after heavy rain or over-watering,  Increase pore space to encourage rapid percolation.
 tick Slow release Get and hold more nutrients at the root zone.  High Cation Exchange Capacity (CEC) delivers slow-release performance.
 tick Dependability Climate-controlled processing.  Consistent product quality.  Year-round supply you can rely on.

McGill compost products are specifically designed to meet a wide range of applications.  View our photo album.

McGill SoilBuilder is STA-certified compostLock the Loop - use McGill SoilBuilder compost

McGill products

  • SoilBuilder
  • McGill Erosioncontrol compost
  • McGill SportsTurf for athletic fields
  • McGill AG compost logo
McGill compost calculator

Logo for Lock-the-Loop and Made Locally initiativesSoilBuilder bag - front

We know compost

With over 20 years of experience, McGill has manufactured and delivered millions of cubic yards of product.

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