On average, listings lease in the $20's per square foot per year. The Conway region is going through a an increase in rates. In the last 3 months, the median rate rose $29 per sqft per year.
In the last 90 days, 1 listings have been listed, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,460 sqft. Most buildings in this region were built in 2009 and are Class B.