The band’s last line up consisted of lead vocalist/bassist Jayden Seeley, guitarist/backing vocalist Inigo Del Carmen, drummer Joshua Brozzesi and guitarist Scotty Mac.

Shortly thereafter, member Inigo Del Carmen joined, and the four began posting videos on YouTube where they released their debut single "Stand Again" for free download on 27 April 2013.

[4] The band then released their debut EP Youth independently on 1 July 2013,[5] and saw reasonable success, receiving national radio-play on Australian stations 2Day FM and Triple J.

[7] The band went on to play local supports for 5 Seconds of Summer,[8] The Getaway Plan,[9] and The Red Jumpsuit Apparatus,[10] continuing to build a following.

[12] They supported this release with their first national headline tour in April, selling out multiple shows including Sydney's "The Lair" (The Metro Theatre).

[13] On 3 September, the band returned to four-piece status when previously touring guitarist Luke Rockets was announced as an official member.

[14] They continued keeping the year busy touring and supporting the likes of You Me at Six, Tonight Alive,[15] Marianas Trench, The Maine, and Kids in Glass Houses.

[28] In November 2017, the band put out a statement that they had parted ways with lead guitarist, Luke Rockets, after alleged sexual misconduct.

In 2019, With Confidence released a cover of Train's "Drops of Jupiter" as part of the Hopeless Records Songs That Saved My Life, Vol 2 compilation.

"[39] With Confidence have cited influences from bands the Dangerous Summer, Kings of Leon, Blink-182, the Wonder Years, the Strokes, and La Dispute on their Facebook.