Early career Watson began his motor racing career at the age of 15, in the Ginetta Junior Ireland Championship, making regular podiums through to 2011. That year, he joined Douglas Motorsport team to race in the final two rounds of the Ginetta Junior Championship at Silverstone. 2012 saw Watson contest the entire Ginetta Junior championship season, again with Douglas Motorsport. The season saw him deliver fifth place in the Championship, achieving six podium places, including second places and his maiden victory, with only two non-finishes out of the twenty-round season.
2013 – Ginetta GT Supercup Watson's Ginetta Junior team decided to enter the senior competition, the
Ginetta GT Supercup, using a
Ginetta G55. At the first meeting of the season at
Brands Hatch Indy circuit, Watson qualified second despite having little experience in the much more powerful G55 car. This translated to a seventh-place finish in round 1, followed by an eighth place in round 2, both on the Saturday. Round 3 was held on Sunday an even more impressive finish in fourth place cemented his arrival in the senior ranks. Success at
Donington Park at the second meeting of the year, was not so easy to repeat but Watson did qualify third and managed to get the fastest lap in round 5. Watson achieved his first podium in the GT Supercup, with a second-place finish in round 7, at the year's third meeting at
Thruxton in Hampshire. At
Knockhill, Watson achieved pole position for round 18 (being the meeting's 1st race) on 24 August. This could not be converted to a maiden race win in the GT Supercup owing to him having to serve a drive-through penalty. He eventually finished the race in tenth place. In round 20 at Knockhill, Watson led the race for 23 of the 24 lap race, however he was overtaken for the lead by championship leader
Tom Ingram. A last corner overtake saw Matt Nicoll-Jones take second place with Watson gaining holding on to third place. Watson finished the season in seventh place overall in the standings with 372 points.
2014 – Ginetta GT4 Supercup For the now renamed
2014 Ginetta GT4 Supercup, Watson stayed with long-term team
Douglas Motorsport alongside a new teammate,
Harry Woodhead, winner of the
2013 Ginetta Junior Championship. Success came early, with pole position, fastest lap and a win in the opening round at
Brands Hatch, followed by second and third-place finishes in the next two rounds. A further win at
Thruxton in round 9 of the series, saw Watson leading the championship with 230 points. Watson eventually finished the season in fourth place on 640 points.
2015 – British GT Championship In 2015, Watson made a switch to the
British GT Championship driving a
McLaren 650S GT3 for Von Ryan Racing as part of the
McLaren Young Driver Programme. He competed in the GT3 class, a step-up from the GT4 class he previously drove in the
2014 Ginetta GT4 Supercup. Watson scored his best result of the season when he and fellow McLaren GT “Young Driver” Ross Wylie finished seventh in the Silverstone 500 in May 2015, only 20 seconds behind the podium places. The race at Silverstone was preceded by races at Rockingham and Oulton Park. At Oulton Park in April 2015, Watson and his teammate Ross Wiley placed a ninth-place finish in the second race, whilst at Rockingham in May 2015, the team retired from the race on the opening lap following a collision. Watson also raced in four races of the International Open GT Championship, scoring one race win and one pole position. In addition, Watson competed in the Sepang 12 Hours and secured a class victory.
2016 – Blancpain GT Championship For 2016, Watson raced in the
Blancpain GT Series Endurance Cup with Garage 59 in a McLaren 650S GT3 as a member of the McLaren GT Young Driver Academy. 2016 also saw Watson make his debut at the famous Bathurst 12 hour race, where he finished a credible ninth overall on his first visit to the track.
2017 – Blancpain GT Championship Watson continued to race in the
Blancpain GT Series Endurance Cup and also the
Blancpain GT World Challenge Europe again behind the wheel of the McLaren 650s, but this time representing Strakka racing in the 2017 Blancpain GT Series.
2018 – Blancpain GT Championship Watson remained in the McLaren 650S GT3 racing with Garage 59 in the
Blancpain GT Series Endurance Cup. Andrew's 2018 highlights included achieving pole position in the AM class at the Blancpain 24 Hours of Spa and pole position in the PRO Class at Paul Ricard. Watson also achieved an excellent podium position at the 1,000 kilometres of Paul Ricard as Andrew in the #58 Garage 59 McLaren qualified on the front row and led for the majority of the race, before eventually coming home in third place - marking a proud moment in Andrew's career as he achieved his first overall podium finish in the Blancpain GT Series. Watson also raced in the
Blancpain GT World Challenge Europe for 3Y in a BMW M6 GT3, which included race victory in the Silver Class at Brands Hatch.
2019 – Blancpain GT Championship Watson's 2019 season saw him compete in the European Blancpain GT Endurance Series with Andrew rejoining the Garage 59 team, following their switch to the
Aston Martin Vantage GT3's for the
2019 Blancpain campaign. 2019/20 – FIA World Endurance Championship Watson was selected to join the Gulf Racing team in the
2019/20 FIA World Endurance Championship. Racing a
Porsche 911 RSR, Andrew collected his maiden World Championship podium in Bahrain as the team finished third in the GTE-Am Class. Watson also made his debut in the
Aston Martin Vantage GTE as he featured in the FIA World Endurance Championship Rookie Test with Aston Martin Racing.
2020 – Daytona 24 Hours Watson made his
Daytona 24 Hours debut in January
2020 after securing a late drive with
Aston Martin Racing. Replacing the injured Paul Dalla Lana, he joined
Pedro Lamy,
Mathias Lauda and Ross Gunn in the #98
Aston Martin Vantage GT3. However, the team did not finish the race due to a crash after 189 completed laps.
2020 – Bathurst 12 Hours On his fourth appearance at the
Bathurst 12 Hours, Andrew Watson celebrated a podium finish at the
2020 Bathurst 12 Hour endurance race. Watson, along with Garage 59 team-mates Oliver Hart and Roman De Angelis, finished third in the Silver class and 14th overall at
Mount Panorama behind the wheel on an
Aston Martin Vantage GT3.
British Touring Car Championship Power Maxed Racing (2023) On 18 January 2023, it was announced that Watson would drive for
CarStore Power Maxed Racing in the
2023 British Touring Car Championship, driving a
Vauxhall Astra. This would be Watson's first time in
touring car racing, and his first time racing a
front-wheel drive car. He impressed on debut, qualifying ninth at the first round at
Donington Park, ahead of teammate
Árón Taylor-Smith and fellow rookie teammate
Mikey Doble. In the first race of the weekend, he climbed five positions to finish fourth overall, and first in the Jack Sears Trophy. ==Racing record==