I can't help you with your specific question but you can get gigs for companies that you used to work for (and others) by maintaining a robust network of former

I can't help you with your specific question but you can get gigs for companies that you used to work for (and others) by maintaining a robust network of former colleagues. Keep in touch with people you used to work for and 2 years down the pike (if they liked your work) you may get a call for a job. I've never actually looked for consulting work, I just finds me through my network.