The search results do not provide specific information about "Seacrest Broker" at the given URLs. However, based on a similar company, Sterling Seacrest Pritchard, which is a risk management firm, it can be inferred that Seacrest Broker might offer similar services such as insurance brokerage and risk management. Their target audience could be businesses seeking risk management solutions. The unique selling proposition might involve personalized service and expertise in various industries. Without direct access to Seacrest Broker's content, this is speculative. For accurate details, visiting the provided URLs would be necessary.