Under Dovigi's leadership, GFL Environmental has grown to have a total enterprise value of $5.13 billion as of April 2018.

[10] Dovigi then established a new company and worked with the municipality of Vaughan and the environment ministry for two years to return the operating license to the waste transfer station.

[10] In 2004, Dovigi took a seat on the board of NGTV, otherwise known as "No Good TV", which was a YouTube music and celebrity channel and an organization chaired by Kiss bassist and vocalist Gene Simmons.

[5][8] GFL later won a $186-million, nine-year contract to manage and collect the residential waste of 155,000 homes in the west end of Toronto.

[11] In April 2018, GFL negotiated a recapitalization with BC Partners and the Ontario Teachers' Pension Plan at $5.125 billion.

[3] In honour of his hometown, in 2018 Dovigi acquired naming rights for GFL for the home of the Soo Greyhounds from the city of Sault Ste.

[15] Dovigi has made financial donations to organizations that include Camp Oochigeas,[16] Habitat for Humanity,[17] Sunnybrook Foundation, The National Ballet of Canada.

[21] In 2021, an entity tied to Dovigi purchased an apartment for $4.5 million on the 38th floor of 432 Park Avenue, a luxury development in New York City.

[23] In May 2023, Dovigi purchased €330 million superyacht Ahpo from fellow Canadian billionaire Michael Lee-Chin.