Method for producing aminofunctional polyorganosiloxanes of general formula I (SiO 4/2) k ( R 1 SiO 3/2) m (R 1 2 SiO 2/2) p ( R 1 3 SiO 1/2) q [O 1/2 SiR 1 2-R-NR 2 R 3] s [O 1/2 H] t, which comprises reacting organosiloxanes which contain Si-OH groups, of general formula (SiO 4/2) k (R 1 SiO 3/2) m (R 1 2 SiO 2/2) p (R 1 3 SiO 1/2) q [ O 1/2 H] r, with at least the stoichiometric amount of a monoalkoxy(aminoalkyl)silane, based on the Si-OH groups, of general formula R 2 R 3 N-R-SiR 1 2(OR 4), while utilizing catalytically active admixtures selected from acid, base or organometallic compound in amounts of less than 0.1 ppm of acid, less than 30 ppm of base and less than 0.4% of organometallic compound, wherein R is an unsubstituted or halogen-substituted alkylene radical of 2 to 12 carbon atoms, R x is hydrogen, an unsubstituted C 1 -C 10 hydrocarbyl radical or a C 1 -C 10 hydrocarbyl radical substituted with substituents selected from -CN and halogen, R 1 is a hydrogen atom or a C 1 -C 20 hydrocarbyl or C 1 -C 15 hydrocarbyloxy radical which is bonded Si-C and is unsubstituted or substituted with substituents selected from -CN, N R x 2, COOH, COO R x, -halogen, -acryloyl, -epoxy, -SH, -OH and -CON R x 2 and in each of which one or more mutually nonadjacent methylene units at a time may be replaced by groups -O-, -CO-, -COO-, -OCO- or -OCOO-, -S-, or NR x and in each of which one or more mutually nonadjacent methine units may be replaced by groups -N=, -N=N-, or -P=, R 2 and R 3 are each hydrogen or unbranched, branched or cyclic saturated or unsaturated alkyl of 1 to 12 carbon atoms or aryl or aralkyl where individual nonadjacent methylene units may be replaced by nitrogen atoms or oxygen atoms, R 4 is linear or branched alkyl of 1 to 8 carbon atoms where nonadjacent methylene units may be replaced by oxygens, s is not less than 1, r is not less than 1, s + t is equal to the value of r, and k + m + p + q is not less than 2, and s: t is not less than 10. organosiloxanes which contain Si-OH groups, of general formula (SiO 4/2) k (R 1 SiO 3/2) m (R 1 2 SiO 2/2) p (R 1 3 SiO 1/2) q [ O 1/2 H] r, with at least the stoichiometric amount of a monoalkoxy(aminoalkyl)silane, based on the Si-OH groups, of general formula R 2 R 3 N-R-SiR 1 2(OR 4), while utilizing catalytically active admixtures selected from acid, base or organometallic compound in amounts of less than 0.1 ppm of acid, less than 30 ppm of base and less than 0.4% of organometallic compound, wherein R is an unsubstituted or halogen-substituted alkylene radical of 2 to 12 carbon atoms, R x is hydrogen, an unsubstituted C 1 -C 10 hydrocarbyl radical or a C 1 -C 10 hydrocarbyl radical substituted with substituents selected from -CN and halogen, R 1 is a hydrogen atom or a C 1 -C 20 hydrocarbyl or C 1 -C 15 hydrocarbyloxy radical which is bonded Si-C and is unsubstituted or substituted with substituents selected from -CN, N R x 2, COOH, COO R x, -halogen, -acryloyl, -epoxy, -SH, -OH and -CON R x 2 and in each of which one or more mutually nonadjacent methylene units at a time may be replaced by groups -O-, -CO-, -COO-, -OCO- or -OCOO-, -S-, or NR x and in each of which one or more mutually nonadjacent methine units may be replaced by groups -N=, -N=N-, or -P=, R 2 and R 3 are each hydrogen or unbranched, branched or cyclic saturated or unsaturated alkyl of 1 to 12 carbon atoms or aryl or aralkyl where individual nonadjacent methylene units may be replaced by nitrogen atoms or oxygen atoms, R 4 is linear or branched alkyl of 1 to 8 carbon atoms where nonadjacent methylene units may be replaced by oxygens, s is not less than 1, r is not less than 1, s + t is equal to the value of r, and k + m + p + q is not less than 2, and s: t is not less than 10. R is an unsubstituted or halogen-substituted alkylene radical of 2 to 12 carbon atoms, R x is hydrogen, an unsubstituted C 1 -C 10 hydrocarbyl radical or a C 1 -C 10 hydrocarbyl radical substituted with substituents selected from -CN and halogen, R 1 is a hydrogen atom or a C 1 -C 20 hydrocarbyl or C 1 -C 15 hydrocarbyloxy radical which is bonded Si-C and is unsubstituted or substituted with substituents selected from -CN, N R x 2, COOH, COO R x, -halogen, -acryloyl, -epoxy, -SH, -OH and -CON R x 2 and in each of which one or more mutually nonadjacent methylene units at a time may be replaced by groups -O-, -CO-, -COO-, -OCO- or -OCOO-, -S-, or NR x and in each of which one or more mutually nonadjacent methine units may be replaced by groups -N=, -N=N-, or -P=, R 2 and R 3 are each hydrogen or unbranched, branched or cyclic saturated or unsaturated alkyl of 1 to 12 carbon atoms or aryl or aralkyl where individual nonadjacent methylene units may be replaced by nitrogen atoms or oxygen atoms, R 4 is linear or branched alkyl of 1 to 8 carbon atoms where nonadjacent methylene units may be replaced by oxygens, s is not less than 1, r is not less than 1, s + t is equal to the value of r, and k + m + p + q is not less than 2, and s: t is not less than 10.