A bladed disk assembly (48; 48a; 48b; 48c; 48d; 48e; 48f) comprising: a disk (50; 50a; 50b; 50c; 50d; 50e; 50f) centered on an axis and having at least one groove extending along said axis; a blade (30; 30a; 30b; 30c; 30d; 30e; 30f) received in said groove; a retaining clip (54; 54a; 54b; 54c; 54d; 54e; 54f) contacting said blade to limit movement of said blade along said axis, wherein said retaining clip includes an elastically deformable portion that is engaged with a part (72; 72a; 72b; 72c; 72d; 72e; 72f) of said disk (50; 50a; 50b; 50c; 50d; 50e; 50f) through a snap-fit, wherein said retaining clip comprises: a disc portion (56; 56b) being at least partially arcuate and centered on said axis, said disc portion (56; 56b) extending radially relative to said axis from an inner end to an outer end, said disc portion (56; 56b) contacting said blade and limiting movement of said blade along said axis; and a retaining portion (62; 62b; 62c) extending a length along said axis, wherein the distance of said retaining portion (62; 62b; 62c) from said axis varies along said length, wherein the retaining portion (62; 62b; 62c) forms the elastically deformable portion, characterised in that said disc portion (56; 56b) bows away from said disk (50; 50a; 50b; 50c; 50d; 50e; 50f) along said axis thereby defining a radially sliding contact (80b; 80c) engaging said blade, said disc portion (56; 56b) being operable to deform during operation. a disk (50; 50a; 50b; 50c; 50d; 50e; 50f) centered on an axis and having at least one groove extending along said axis; a blade (30; 30a; 30b; 30c; 30d; 30e; 30f) received in said groove; a retaining clip (54; 54a; 54b; 54c; 54d; 54e; 54f) contacting said blade to limit movement of said blade along said axis, wherein said retaining clip includes an elastically deformable portion that is engaged with a part (72; 72a; 72b; 72c; 72d; 72e; 72f) of said disk (50; 50a; 50b; 50c; 50d; 50e; 50f) through a snap-fit, wherein said retaining clip comprises: a disc portion (56; 56b) being at least partially arcuate and centered on said axis, said disc portion (56; 56b) extending radially relative to said axis from an inner end to an outer end, said disc portion (56; 56b) contacting said blade and limiting movement of said blade along said axis; and a retaining portion (62; 62b; 62c) extending a length along said axis, a disc portion (56; 56b) being at least partially arcuate and centered on said axis, said disc portion (56; 56b) extending radially relative to said axis from an inner end to an outer end, said disc portion (56; 56b) contacting said blade and limiting movement of said blade along said axis; and a retaining portion (62; 62b; 62c) extending a length along said axis, wherein the distance of said retaining portion (62; 62b; 62c) from said axis varies along said length, wherein the retaining portion (62; 62b; 62c) forms the elastically deformable portion, characterised in that said disc portion (56; 56b) bows away from said disk (50; 50a; 50b; 50c; 50d; 50e; 50f) along said axis thereby defining a radially sliding contact (80b; 80c) engaging said blade, said disc portion (56; 56b) being operable to deform during operation.