The easiest and quickest way to order a Spresense development board is through one of our distributor partners which are listed here.
For technical questions, please visit the Support area for Spresense.
If your company has questions regarding ordering Spresense in large quantities or is interested in making a product with Sony's CXD5602 microcontroller, use the inquiry form on this page and we'll be happy to provide you with the information you need.