[1] Squires and Darius Minwalla, future drummer for The Posies, attempted to put a band together, recording demos in the process, however they eventually moved on to other projects.

After taking some time off following the success of their previous album and the single "Flagpole Sitta",[9] Harvey Danger decided to regroup and record the follow-up to Where Have All the Merrymakers Gone?

For the album's supporting tour, Squires was added as the group's live guitarist as well as The Western State Hurricanes founder John Roderick on keyboard.

[1][12][13] While recording for The Long Winters, Squires added additional guitar parts for Loaded's debut album Dark Days,[1] with Duff McKagan, Geoff Reading and Dave Dederer,[14] which was released in the United States and Japan in July 2001.

[16] During one of the shows, in Los Angeles, Loaded were joined onstage by The Cult duo Billy Duffy and Matt Sorum, also formerly of Guns N' Roses.

[17] After these shows, Squires left Loaded to join bandmate Rouse in Alien Crime Syndicate and was replaced by former Wasted Youth and Electric Love Hogs guitarist Dave Kushner.

[20] After a few jam sessions, Loaded began recording what would become Sick with Dark Days producer Martin Feveyear at Jupiter Studios in Seattle.

[24] Sick was released on March 20, 2009 in Europe and April 7, 2009 in the United States where it placed at number 43 on the Billboard Heatseekers Chart selling 1,400 copies.

Of note, Squires had but a 2 week period to learn 43 songs on bass before joining Peter Hook on a UK and North American tour.

Guests have included Duff Mckagan, Ryan Roxie, Vivian Campbell,[38] Alex Skolnick,[39] Joe Reineke, Buckcherry, Walking Papers, Eric Howk, Nabil Ayers and Jared James Nichols.

On August 21, 2020 Couch Riffs released a video of Rod Stewart's "Young Turks" featuring Alice In Chains’ William DuVall (vocals), The Killers’ Ronnie Vannucci (drums), Afghan Whigs’ Jon Skibic (guitar), The Shins’ Mark Watrous (keys), Dragged Under’s Ryan “Fluff” Bruce (guitar) and Mike Squires on bass.

[40] Squires was briefly a member of the group The Burning Rivers, with Ben London,[13] but left after his move to Portland, Oregon, he became part of Lael Alderman's band.