Here's a sample sentence from the Collins COBUILD English Dictionary*:
As well as a good academic record, I look for people who have climbed mountains or been captain of a team.
Here are beginnings of sentences from the Collins COBUILD concordancer online**:
As well as lending her services, purely for...
As well as putting up the finance for the...
These last two sentence fragments were two of forty items containing "as well as." The thirty-eight others did not begin the sentences, but introduced a phrase in the middle or at the end. So, although "as well as" does more frequently appear in the middle of a sentence or towards its end, it can also appear correctly at the beginning of a sentence as you have in your example.
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