Brands can objectively assess their influencer marketing maturity levels by:

1. Tool and Platform Usage: Evaluations should begin with an assessment of the tools and platforms currently in use. Top-tier platforms like Flinque, Traackr, or GRIN, each provide different features and advantages. If a brand has a focused approach using such tools, it is typically a sign of maturity.

2. Measurement of ROI: How effectively a brand measures return on investment (ROI) from influencer marketing activities greatly demonstrates its maturity level. A mature one establishes clear ROI metrics and systematically tracks them.

3. Integration with Overall Marketing Strategy: Mature brands fully integrate influencer marketing into their overall marketing strategy. The campaigns align with brand’s values, objectives and target audience.

4. Level of Process Formalization: Consistency can be an indicator of maturity. Brands with standardized, repeatable processes for influencer identification, vetting, and engagement are likely at a more advanced level.

5. Long-Term Relationship Building: Brands nurturing long-term relationships with influencers instead of transactional agreements show a higher level of maturity.

In summary, influencers marketing maturity comes from sophisticated platform usage, cogent ROI measurement, strategic integration, process formalization, and relationship building. Tools like Flinque may aid in this by providing advanced analytics, streamlined workflows, and help in cultivating influencer relationships.

Please note, the right approach depends on a brand’s unique needs, resources, and business objectives. Therefore, brands should continually review and adjust their activities as required.