The Toleman family had roots in automotive logistics: Edward Toleman founded a company to transport Ford vehicles from factory to dealers in 1926. His son Albert took over in the 1950s, and Albert's sons Ted and Bob succeeded him in 1966, expanding the business into Europe with the help of Alex Hawkridge. The family were enthusiastic amateur racers; Albert won club rally championships, Ted competed in Formula Two and the Dakar Rally, and participated in the 1976 24 Hours of Le Mans. Bob Toleman died in a racing accident that same year.
Hawkridge pushed the organisation into motorsport sponsorship in 1976, initially backing Rad Dougall in British Formula Ford. Dougall won the Formula Ford 2000 title in 1977, which encouraged Ted Toleman to launch his own team proper.
Toleman spent three seasons in the European Formula Two Championship under the leadership of Hawkridge and Roger Silman. They hired Rory Byrne, a designer from Royale Racing, as a long-term investment towards building their own cars. In 1978 the team ran a customer March-BMW. In 1979 they added Brian Henton alongside Rad Dougall, switched to a Ralt-Hart chassis, and Henton narrowly missed the championship title. In 1980 the team unveiled Byrne's first in-house design, the TG280, which exploited a technical loophole to continue running a ground-effect car under revised regulations. Switching to Pirelli tyres, Toleman-Hart dominated the season: Henton and Warwick finished first and second in the championship standings, including customer entries.
Toleman entered Formula One for the 1981 season, retaining Derek Warwick and Brian Henton from the F2 campaign. The team distinguished itself from the outset by committing to turbocharged power: rather than purchasing the widely available Cosworth DFV, they commissioned Hart to develop a turbocharged engine, anticipating the direction the sport was taking. In the short term, however, this decision was costly. The Toleman TG181 was widely ridiculed in the press — nicknamed "The Pig" for its handling and "The Belgrano" for its oil leaks. The team qualified for just two races in 1981.
In 1982, Teo Fabi replaced Henton, and reliability gradually improved. The carbon-composite TG183 arrived late in the season, appearing at the Italian and Las Vegas Grands Prix, with Warwick recording the team's first fastest lap at the Dutch Grand Prix. A publicity stunt at the British Grand Prix — starting Warwick on a deliberately light fuel load to briefly run near the front — satisfied sponsor Candy enough to maintain their backing for 1983.
The updated TG183B brought genuine pace. Warwick qualified fifth and sixth at the opening two races and the team closed the season strongly, scoring points in four consecutive Grands Prix. Warwick's fourth-place finish at the Dutch Grand Prix was the team's first ever championship point. Toleman ended 1983 ninth in the Constructors' Championship with ten points, outscoring a large group of established backmarkers.
With Warwick departing for Renault, Toleman signed Ayrton Senna — fresh from winning the 1983 British Formula Three Championship — alongside Venezuelan driver Johnny Cecotto. The team began 1984 using its 1983 cars, but Senna already demonstrated his ability: he scored his first F1 point at the South African Grand Prix despite heavy opening-lap front wing damage, and added another at Spa-Francorchamps. At Imola, team and driver sat out qualifying amid a dispute with Pirelli, resulting in the only race of Senna's entire career in which he failed to qualify. Following the race, Senna persuaded Toleman to break its Pirelli contract and switch to Michelin.
The new TG184 and Michelin tyres transformed the car. At Monaco, under heavy rain, Senna delivered a stunning drive: starting thirteenth, he climbed through the field to challenge race leader Alain Prost as the circuit flooded. Race director Jacky Ickx stopped the race at lap 31, handing Prost victory with Senna classified second — the team's first podium. Senna added two further podiums: third at the British Grand Prix (taking the position on the penultimate lap after Elio de Angelis' engine failed) and third at the Portuguese Grand Prix to close the season. Toleman finished seventh in the Constructors' Championship with sixteen points, of which thirteen came from Senna.
Senna had, however, already activated his contractual release clause to join Team Lotus for 1985. Hawkridge suspended him for the Italian Grand Prix in response, with Pierluigi Martini substituting. Stefan Johansson had joined mid-season after Cecotto broke both legs during British Grand Prix practice; Johansson finished fourth at the Italian Grand Prix to score the team's three remaining points.
The team nearly collapsed in 1985 before competing again. Michelin's withdrawal from Formula One at the end of 1984 left Toleman without a tyre supplier: Pirelli refused to return after 1984's contractual break, and Goodyear harboured grievances from the team's earlier switch from their product in Formula Two. Without competitive tyres, Toleman sat out the first three races. Retaining Johansson proved impossible — he left for Tyrrell and later Ferrari — and Watson also departed after being told he would not be paid for the missed races.
Italian fashion label United Colors of Benetton purchased the team mid-season, acquiring a Pirelli supply from the defunct Spirit team and keeping the Toleman name until year's end. Teo Fabi returned as sole driver before Piercarlo Ghinzani joined. The season produced no points, but Fabi's pole position at the German Grand Prix provided a final highlight. After the season, the team was formally rebranded as Benetton Formula.
The engineers Toleman developed — particularly Byrne and Symonds — proved central to two championship eras. Remaining at Benetton after Toleman's sale, they were joined by Flavio Briatore and Ross Brawn and contributed to Michael Schumacher's two Drivers' Championships and the team's one Constructors' title in the 1990s. Schumacher subsequently took Byrne and Brawn to Ferrari, where both shaped the dominant Ferrari era of the early 2000s. Symonds and Briatore stayed with Benetton, later renamed Renault, which won two Drivers' and two Constructors' Championships with Fernando Alonso.
The lineage running from Toleman through Benetton to Renault became informally known as Team Enstone, after the factory in Oxfordshire where Benetton relocated. Toleman's most celebrated legacy, however, remains the role it played in launching Ayrton Senna's Formula One career.