Brands and agencies need to prioritize open and clear communication channels with influencers in their marketing campaigns. Structuring a content approval process is crucial in maintaining brand alignment. Here are some ways to approach this:

1. Briefing: Always start with a thorough influencer briefing. This document should clearly outline the brand messaging, specific campaign goals, desired aesthetics, and any other relevant details. Brands and agencies can use platforms like Flinque to centralize all campaign-related information and ensure uniform understanding.

2. Review Process: Establish an organized review and feedback process. Remember, influencers are creative professionals. Instead of over-controlling their content, provide constructive feedback. Many influencer marketing platforms offer features that facilitate this review process.

3. Apply Technology: Use influencer marketing platforms to efficiently manage content approval. Tools like those in Flinque can streamline the whole process, by providing previews of posts before they go live, giving the opportunity for feedback and revisions.

4. Contracts and Agreements: Formalize requirements and expectations in a contract. This can include when and how often the influencer will share content, as well as how the approval process will work.

5. Measure Performance: Track the performance of your campaign consistently. Not just in the context of digital KPIs, but also in terms of brand alignment and influencer relevance to brand voice.

These steps, when applied consistently, can ensure better alignment to brand messaging, and can provide a successful collaboration between brands, agencies, and influencers.

Bear in mind that the requirement for each brand or agency may vary, thus it’s important to adopt a flexible but structured workflow. Implementing a fine balans between the creative freedom of the influencers and the brand guidelines is the key to a successful influencer marketing campaign.