"leading not only" is a grammatically correct and usable phrase in written English.
You can use this phrase to suggest that the subject of the sentence has multiple beneficial qualities in addition to its primary quality. For example, "Her leadership style is leading not only to increased productivity, but also to a better team atmosphere."
Biomimetics is a fruitful combination of biology and engineering, leading not only to technological innovations but also new insights into biological questions.
Soon thereafter we find Dizzy leading not only the school but the entire town to conquest, meaning victory in the big game.
Subsequent investigations turned up many surprises, leading not only to a better understanding of continuous functions but also of discontinuous functions, which do indeed occur as Fourier series.
A strong regulatory response against high lipid intake was seen during the last period (days 30 40) leading not only to a decrease in lipid intake but much more drastic decrease in protein intake.
Moreover, according to our method, counting single particles per unit area is not necessary anymore, leading not only to substantial time savings but also to an improved calculation precision due to the consideration of the whole sample.
Remarkably, almost 70 per cent of them did, leading not only to the identification of 250 people with undiagnosed type 2 diabetes, but to the first definition of the pre-diabetic state, which he termed "borderline diabetes".
The leading newspapers not only publish the correct answers to the leading universities' entrance exams once they are over, but also advise parents on how to console a child who has failed.
The leading competitor not only has 57 varieties, but has 57 foreign factories as well.
Indeed, Austria's rich combination of cultural attractions and outdoor activities has made it a leading destination not only for students but for millions of foreign tourists.
I hope that those who are stepping into leading roles not only have the journalistic chops of those who went before them, but their strength and integrity too.
It has become the leading dairy not only in Chicago, but also in other major markets around the United States, supplying milk sold under private labels at such grocery chains as Super Valu, Jewel and Kroger.
