• High Risk Wrestling
  • HRW Tag Team Championship (1 time) – with Bobby Fish[8][9]
• New Japan Pro Wrestling
  • IWGP Junior Heavyweight Tag Team Championship (2 times) – with Bobby Fish[10][11]
  • Super Jr. Tag Tournament (2014) – with Bobby Fish[12]
• NWA: Extreme Canadian Championship Wrestling / Elite Canadian Championship Wrestling
  • ECCW Championship (1 time)
  • NWA Canadian Junior Heavyweight Championship (3 times)[6]
  • Pacific Cup (2007)[6]
• Pro Wrestling Guerrilla
  • PWG World Championship (1 time)[13]
  • Battle of Los Angeles (2013)[14]
• Pro Wrestling Illustrated
  • PWI ranked him No. 32 of the top 500 singles wrestlers in the PWI 500 in 2016[15]
• Pro Wrestling Prestige
  • PWP Tag Team Championship (1 time) – with Davey Richards
• Ring of Honor
  • ROH World Championship (1 time)[16]
  • ROH World Tag Team Championship (3 times) – with Bobby Fish[17][18]
  • ROH World Tag Team Championship #1 Contender Lottery Tournament (2011) – with Adam Cole[19]
  • Tag Wars Tournament (2014) – with Bobby Fish[20]
• SoCal Uncensored
  • Match of the Year (2012) with Adam Cole vs. Super Smash Bros. (Player Uno and Stupefied) and The Young Bucks on July 21[21]
• St. Louis Anarchy
  • Medallion Tournament (2012)
• WWE
  • NXT Tag Team Championship (3 times) – with Bobby Fish, Adam Cole and Roderick Strong (1)1, Roderick Strong (1), Bobby Fish (1)[22]
  • Dusty Rhodes Tag Team Classic (2018) – with Adam Cole
  • NXT Year-End Award (2 times)
    • Tag Team of the Year (2018) with Roderick Strong
    • Tag Team of the Year (2019) with Bobby Fish

1 ^ Fish and O'Reilly originally won the title as a duo, but Cole and Strong also became recognized as champions under the Freebird Rule after Fish suffered an injury.