Haas kicked off proceedings in 2019 as it took the wraps off a black-and-gold livery inspired by new title partner Rich Energy.
Toro Rosso STR14
Next up was Toro Rosso, with the Faenza squad revealing its STR14 on Monday, opting for a very similar livery scheme to the past two years.
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Williams FW42
Launch week was in full flow on Monday as Williams became the second team to reveal its 2019 car, showing off a revised design featuring new title sponsor ROKiT.
Renault RS19
Tuesday saw Renault reveal its 2019 challenger, the RS19, with a familiar colour scheme to last year's black and yellow design.
Reigning world champions Mercedes kicked off proceedings on Wednesday by launching the car it hopes will continue its clean sweep of F1 titles so far in the V6 hybrid era, the W10.
Red Bull RB15
Red Bull also launched its 2019 car on Wednesday, revealing its first-ever Honda powered machine in a dramatic "one-off" livery at Silverstone.
But it was confirmed on the morning of the first day of pre-season testing Red Bull would return to its more familiar paint scheme with a matte finish.
Racing Point RP19
A change of name but the Pink Panthers remain for the newly rebranded SportPesa Racing Point F1 Team, which revealed its pink and blue 2019 car on Wednesday in Canada.
McLaren MCL34
New McLaren drivers Carlos Sainz and Lando Norris pulled the covers off its 2019 F1 challenger - the MCL34 - on Thursday at its Woking factory.
Ferrari SF90
Ferrari became the penultimate F1 team to launch its 2019 F1 car - the SF90 - on Friday at its Maranello headquarters.
Alfa Romeo C38
The rebranded Alfa Romeo Racing team were the last F1 squad to officially launch ahead of 2019 pre-season testing, taking the opportunity in the Circuit de Catalunya pit lane an hour before action got underway.
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