any other analyte specific moiety that can form a linkage with the reactive group r in another aspect of the present invention novel compositions of the form shown below are disclosed where the novel oligomeric or polymeric labeling reagents of the present invention have been used to label suitable target molecules in the diagram above d refers to a dye or other suitable label and m is equal to or greater than 2 p represents an oligomer or polymer l is the linkage that joins the labeling reagent to the target molecule and where d or one of the monomeric units of p comprises one or more charged groups the dyes may be attached to each of the monomeric units that comprise p or only some of the monomeric units may comprise these groups l may comprise any of the linkage arms described previously or it may comprise the linkage formed between a reactive group r and the appropriate chemical group on the target molecule the target may be chosen from any members of the group described previously the various aspects of the present invention that provide multiple signals allow the synthesis of highly sensitive labeling compositions in methods previously used for preparing labeled reagents such as enzymatic incorporation the number of dye units is often limited because of poor incorporation of the dye by the enzyme furthermore it is also possible for two or more dye units to be placed adjacent to each other after enzymatic incorporation.