Konsultanci ATChristie mają wieloletnie doświadczenie w pracy w konsultingu, zarówno w Polsce, jak i za granicą. Współtworzyli zaawansowane strategie komunikacyjne między innymi dla:
Acer Computer, ACP Pharma, Agora, AIG (Amplico Life, AIG PTE, AIG TFI), Alcatel Business Systems, Alcatel Setel, Alchemia, Alima Gerber, Alma Market, Altkom Akademia, Alma Consulting, American Bank in Poland, Arcelor (Arcelor-Mittal), Arcus, Bakoma, Bankers Trust Company, Baker&McKenzie, bankier.pl, Bayer AG, Bayer Pharma, BCF, Benckiser Cosmetics, Benckiser S.A., BMS, Boots Healthcare, Brandt Group, Boryszew, Le Royal Meridien Bristol Hotel, Bristol Meyers Squibb Company, British Know-How Fund, British-American Tobbacco, Cadbury Wedel, Capital Park, Cinema City, CEDC, Ciba Vision, Cisco, Columbia Sporstwear Company, Comarch, Compaq, Cornig,Credit Suisse / Winterthur, Crowley Data Poland, Danone, Dalkia, Digital, DuPont, Dominet Bank / Fortis Bank, Eckes AG, ELSA AG, Ernst&Young, EU Programms, E-center, Era GSM, “ESPEBEPE” S.A., Fiege, Famur, Fiesta Consultants, Frantschach Swiecie / FraMondi, Gaspol, GlaxoWellcome / GlaxoSmithKline, GK Ciech, GK PGNiG, GK Lotos, Goodyear, Gruner&Jahr, Generali, Grant Thornton Frąckowiak, Hays Logistics, Hays Personel, Hexal Pharma, HP, Integrity Solutions, IDV Poland (Smirnoff), Imax, Impexmetal, Impel, Inplus, InfoScore, IGPiOUR, Imola, Janssen-Cilag, Jeronimo Martins Distribution, Johnson&Johnson, JW Construction, Kazimierz Wielki National Investment Fund (NIF 7), KAH Społem, Krakowski Kredens, Lexmark, Leaf Poland, LG electronics, Lovells, Lysi, Lidl, Lubawa SA, Liberty Direct, Marconi, Masterfoods Polska (Mars Inc.), Matrix / Infovide-Matrix, MCI, MEXX, MNI, Merck, Merck Sharp & Dohme, Michellin, Microsoft, Ministry of Privatization, Ministry of Environment, Museum of History of Polish Jews, Nestle, Novartis, Novo Nordisk, OFE Pocztylion, Ogólnopolska Izba Wyrobów Medycznych (POLMED), OLAY, OMX, Opoka TFI, Optimus, Orange, Oral B, Oriflame, O’Neil, One2One, PAIZ, PBI Kornas, Pharbio, Phytopharm, Phare Program, PKM Duda, PTC ERA, Polkomtel, Process4E, Polar, Pronox, Procter&Gamble, Provident, Prudential plc, Polska Izba Gospodarcza Energetyki Odnawialnej (PIGEO), Polska Izba Ubezpieczeń (PIU), Recar Recycling, Radpol, Redan, RJR-Poland, Roland Berger, Roche, Sage Symfonia, sanofi-aventis, Sasakawa Peace Foundation, Secus, Sodexho Pass Polska, Statoil, Skotan, Shell, Sharp, S4E, Taktika, Tchibo, Thomson Reuters, TDA Capital Partners, TETA, Telefon 2000, Tesco, Teta, Tetra Pak, TNS OBOP, Toyota Motors, United Parcel Service, United Technologies Corporation: (Pratt & Whitney, Sikorsky Aircraft, Hamilton Standard, Otis, Carrier), Upjohn Company, Vin & Sprit V&S (Absolut), Visa International, Vistula&Wólczanka, Ventana Real Estate, Vectra, Whitehall, WSHiP Uczelnia Łazarski, Wincanton Trans European Logistics, Wood & Company S.A., Wrigley Company, Widzew Łódź, Xelion. Doradcy Finansowi, Zepter International,