Jasa yang disediakan oleh Hill+Knowlton Strategies meliputi [[hubungan masyarakat]], [[kepentingan umum (penyiaran)|kepentingan umum]], [[hubungan media]], komunikasi digital, komunikasi pemasaran, pemasaran dan pengembangan konten, penasehatan perusahaan, [[manajemen reputasi]] perusahaan, komunikasi bisnis-ke-bisnis, [[manajemen krisis]] dan resikorisiko serta pelatihan krisis, riset, dukungan peluncuran produk, [[Pemosisian (pemasaran)|pemosisian merek global]], [[lobi]], konsultansi merger & akuisisi, serta kampanye [[akar rumput]].<ref name=BusinessweekProfile>{{cite web |url=http://investing.businessweek.com/research/stocks/private/snapshot.asp?privcapId=1007204 |title=Company Overview of Hill & Knowlton, Inc. |work=businessweek.com |publisher=Bloomberg Businessweek |access-date=5 October 2014}}</ref><ref name=Plunkett08>{{cite book |title=Plunkett's Advertising & Branding Industry Almanac 2008: Advertising & Branding Industry Market Research, Statistics, Trends & Leading Companies |author=Jack Plunkett |authorlink= |year=2008 |publisher=Plunkett Research, Ltd |location= |isbn=978-1593921095 |page= |pages= |url=https://books.google.com/books?id=k1iCE4Se4ScC&q=hill+knowlton+Financial+communications |accessdate=5 October 2014}}</ref><ref name=Entertainment12>{{cite news |title=H+K Acquires Ascentum |url=http://www.highbeam.com/doc/1G1-300362052.html |archive-url=https://web.archive.org/web/20150924153922/http://www.highbeam.com/doc/1G1-300362052.html |url-status=dead |archive-date=24 September 2015 |work=Entertainment Close-up |date=22 August 2012 |accessdate=5 October 2014}}</ref>