Here is the list for the official sponsors of the Formula 1 team Williams Racing for the 2021 FIA Formula 1 World Championship.
Base – Grove, Oxfordshire, England

Sofina Foods – Sofina is a Canadian protein products manufacturer headquartered in Markham. It has been an official partner of Williams since the 2019 season, with its logo appearing on the team’s cars (FW43B) and the drivers’ race suits.

Lavazza – The Turin-based coffee products manufacturer serves as an Official Team Partner to Williams since January 2020. Lavazza’s logo features on the team’s cars, garage, hospitality areas, teamwear, and race suits.

Acronis -The Schaffhausen-headquartered global tech company has been Williams‘ Official Cyber Protection Partner since the start of the 2018 F1 season, equipping the team with innovative data protection solutions. The two last renewed their partnership in February 2021.

Versa Integrity Group – Headquartered in Lake Charles, Louisiana, Versa is an American industrial inspection and maintenance services provider. It serves as an Official Partner to Williams since September 2020, when its logo debuted on the Williams FW43 at the Tuscan Grand Prix.

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Financial Times (FT) – The Japanese-owned British daily newspaper has been an Official Partner of Williams Racing since April 2019. Apart from receiving on-car branding, FT works with Williams on a forum called Sports Innovators Series, which was launched in 2020 to discuss significant transformation within sports. The two last renewed their partnership in February 2021.

Honibe – Based in Charlottetown, Honibe is a Canadian honey-centric health and wellness brand. It was announced as an Official Partner of Williams Racing in March 2021, with its logo set to feature on the nose of the FW43B, headrest surround area, and the sleeves of the drivers’ race suits throughout the 2021 FIA Formula 1 World Championship.

PONOS – PONOS is an independent video game company based in Kyoto, Japan. It was announced as an Official Partner of Williams F1 Team in October 2019 ahead of the 2019 US Grand Prix. The two parties work together to create graphic-based content for Williams‘ digital channel, with PONOS getting increased exposure. They last renewed their partnership in September 2020 to run until the end of the 2021 F1 season.

Symantec – Now named ‘NortonLifeLock’, the American software company – headquartered in Tempe, Arizona – provides Williams cyber sec solutions, and was essential in keeping them operational amidst the COVID-19 pandemic by implementing quick virtual solutions.

Bremont – Based in Henley-on-Thames, the British luxury watch brand was announced as the Official Timing and Watch Partner of Williams F1 Team in March 2021, ahead of the 2021 FIA Formula 1 World Championship. Throughout the year Williams‘ drivers, George Russell and Nicholas Latifi, and other senior team members will be sporting Bremont watches.

Pirelli – Via its exclusive tyre deal with Formula 1, Milan-headquartered leading Italian tyre manufacturer Pirelli serves as the official tyre supplier for Williams‘ FW43B race cars.

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IQONIQ – The Monte Carlo-based fan engagement was announced as Williams’ exclusive Global Fan Engagement Partner in October 2020, ahead of the 2020 Portuguese Grand Prix. The multi-year deal sees IQONIQ provide an all-in-one platform for the fans of the F1 team to connect with their heroes. The IQONIQ logo will feature on the front-wing end plate of the FW43B and the pit crew helmets till the end of the partnership.

PPG Industries – Headquartered in Pittsburgh, Pennsylvania, PPG Industries is a global supplier of paints, coatings, and specialty materials. It has been an Official Partner of Williams F1 Team since 2003.

Umbro – The Manchester-headquartered British sportswear brand was announced as Williams‘ Official Team Kit Supplier in August 2020, with the deal set to commence with the start of the 2021 F1 season.

OMP Racing – Headquartered in Ronco Scrivia, OMP Racing is an Italian manufacturer of motorsport safety equipment and racing car accessories. It was announced as Williams‘ Official Supplier of technical performance products in February 2021, the multi-year agreement set to commence with the start of the 2021 F1 Season.

Thales – Based in La Défense, Thales is an expert in critical information systems, cyber security and data protection. Since July 2016, it provides Williams state-of-the-art cyber security solutions for real-time global telemetry transmission.

ZEISS – Headquartered in Oberkochen, ZEISS is a German manufacturer of optical systems and optoelectronics. It was announced as an Official Supplier of Williams in March 2021 and will deliver equipment and solutions to various departments of the F1 team.

DTEX Systems – Headquartered in Saratoga, California. DTEX Systems is an expert in Workforce Cyber Intelligence. It serves as an Official Partner to Williams since January 2015, providing the team insider threat and workforce awareness solutions. The two announced an extension to their partnership in October 2020, with the new deal set to run until the end of 2023.

B&R Industrial Automation – Headquartered in Eggelsberg, B&R is an Austrian company specializing in automation and process control technology. It was announced as an Official Partner of Williams Racing in March 2021. B&R will be providing the F1 team PLC hardware and I/O modules which will be embedded in the wind tunnel facilities at the team’s base in Grove, England.

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Precision Hydration – Headquartered in Christchurch, Dorset, Precision Hydration is an English company specialising in sweat testing and science of sports hydration. It was announced as an Official Supplier of Williams Racing in May 2020. As per the deal, the two work together to create bespoke hydration plans for the whole team, ensuring everyone stays optimally hydrated throughout the course of a season.

Crew Clothing Company – Headquartered in London, the British casual wear brand serves Williams as an Official Supplier since February 2020, equipping the F1 team members with travel wear throughout the course of a season.

Nexa3D – Based in Ventura, California, Nexa3D is an American company specialising in polymer 3D printing. Since March 2021, Nexa3D provides its set of hardware and software (respectively, NXE400 ultrafast photoplastic 3D printer and NexaX) to help Williams effectively design and manufacture its car parts.