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Atos First quarter of 2021 Press release Order entry at € 2,596 million Book to bill ratio at 96 % Revenue at € 2,692 million -1.9 % at constant currency -3.9 % organic evolution Digital , Cloud , Security & Decarbonization at 51 % of revenue ( 46 % in 2020 ) Continued strong growth in Cybersecurity and Big Data 3 bolt - on acquisitions accelerating Group transformation 2021 objectives confirmed Paris , April 20 , 2021 - Atos , a global leader in digital transformation , today announces the revenue of its first quarter of 2021 . Elie Girard , Atos CEO , said : " After a record year in 2020 , commercial dynamism remained solid in the first quarter of the year with a book - to - bill ratio of 96 % , and a pipeline of offerings + 14 % above a year ago . While the Group's revenue decreased for the last quarter due to the impact of Covid , down -1.9 % at constant currency compared to the previous year , our business profile has made progress towards Digital , Cloud , Security , and Decarbonization with now 51 % of Group revenue delivered in those strategic segments . This business repositioning is the result of , first , our Spring transformation , and second , our program of bolt - on acquisitions . In that vein , I am delighted to announce today three new acquisitions in the fields of Digital Manufacturing and Product Lifecycle Management ( PLM ) , Cryptography and Cybersecurity , and Edge and Computer Vision . In order to accelerate the change of our business mix , the Group will activate a third dimension and initiate a strategic portfolio review of non - core assets . We confirm the objectives for the full year 2021 issued on February 18. Furthermore , the Group has decided to engage into important steps of internal transformation , aiming at enriching the company's digital competencies and human capital , reinforcing accountability , as well as implementing cultural changes in full consistency with our " raison d'être " . I am thankful to all my Atos colleagues for embarking on this transformation journey with so much energy and enthusiasm . " I 2021 Objectives The Group confirms today its objectives for its 3 key financial criteria , as stated on February 18 , 2021 : • Revenue growth at constant currency : + 3.5 % to + 4.0 % • Operating margin rate : +40 to 80bps versus 2020 • Free cash flow : € 550m to € 600m 1/6