Associations or B2B publishers, have you ever considered changing ad sales agencies? The potential new revenue opportunities and fresh ideas is exciting. The actual agency transition process, however, can be pretty daunting. AdBoom Advertising, our ad sales agency, has had its share of transitioning associations in and out. We have compiled what we've learned over the years below. We hope it can help makes your transition a little smoother. Common Reasons Associations Change Ad Sales Agencies A Bedford Group Consulting firm study found the average client-agency relationship tenure in 1984 was seven years. In 1997 it was 5 years. Today it’s less …