Use emotion to build future preference, rational messaging to support immediate decisions
Emotional B2B advertising is most useful when a business needs to become more memorable and relevant before a complex sales conversation begins. Rational product messaging is most useful when a buyer needs to compare capabilities, assess risk, justify spend or move through an immediate decision. The IPA distinguishes between emotional messaging for long-term effectiveness and rational messaging for short-term effectiveness.
That is not a choice between feeling and facts. Enterprise buyers may care about budget, reputation, capacity and business strategy, but they are still people. A clear emotional idea can make a complicated proposition easier to remember, while product detail, customer proof and commercial evidence make the proposition easier to defend internally. Use emotion to earn attention and preference, then give the buying committee the proof needed to act.
Sources: Four creative lessons B2B designers can learn from B2C