Chelsea have announced a profit of £1.4million for last year - the first time the club has finished in the black in the Roman Abramovich era.
Success in the Champions League plus a profit in the transfer market has seen the club overturn a bleak financial record which saw them return a loss of £67.7m the previous year.
Club chairman Bruce Buck said: "We will never forget that night in Munich and now we are celebrating serious progress off the field too.
"While we draw huge satisfaction from the achievements of the past 12 months we are more than ever focused on continuing the story of on-field success supported by improving financial performance off the pitch."
The results will be a huge boost to the club's efforts to comply with UEFA's new financial fair play regulations, which will oblige clubs in European competition to break even.
The club also had record group turnover of £255.7million, up from £225.6million.
A Chelsea statement said: "The £1.4m profit contrasts with a loss of £67.7m in the previous financial year and puts the club in a strong position to comply with UEFA financial fair play criteria for the coming seasons.
"The club also enjoyed an uplift in revenues from commercial activities including new partners and merchandising."
The statement added that debt of £166.6m was turned into equity during the course of the year "making Chelsea FC plc debt free".
Chelsea chief executive Ron Gourlay said: "Our club philosophy is built on success. We had that success on the field this year, as we were the first London team to win the UEFA Champions League, and we enjoyed it off the field as well and this helps us inject financial investment into the team.
"The big challenge is always to have a successful team on the field that wins trophies and to make a profit at the same time.
"The objectives have been set across the whole business, from the Academy to Under-21s and all the way through to the first team."
There was also glee at Chelsea in that the increase in turnover puts them above Arsenal in the money league and in fifth place in the world behind Real Madrid, Barcelona, Manchester United and Bayern Munich.
Arsenal's annual figure, announced in September, saw overall turnover fall to £243m from £255m, although profits were £30.6m.
Chelsea said in their statement: "Chelsea Football Club has also recorded a record group turnover of £255.7million, making Chelsea the fifth largest club in Europe in terms of revenue."
Chelsea have yet to release the full annual figures however, and according to their statement have made "significant profits (£28.8m) ...in the transfer market".
Yet the signings of Eden Hazard, for around £30m, Juan Mata (£23.5m) and Gary Cahill (£7m) all took place during the year of the accounts - July 1 2011 to June 30 2012 - without any major sales of players.
Manager Roberto Di Matteo expressed delight at the news, saying this afternoon: "We're in favour of Financial Fair Play. We're doing everything in our power to comply with the new rules, and this is great news for the club.
"For the first time, we've been able to achieve a profit - also thanks to the success on field, but off field as well, with new sponsor deals and also the transfer market.
"Going forward, I think that puts Chelsea Football Club in a strong position to remain competitive at domestic level but also international level."
Di Matteo insisted the positive figures were not simply the result of Chelsea's Champions League triumph.
"The business model is not just based on that," he added.
"There are many people working within the club for that success."