How to Choose an Influencer Marketing Agency: What a Good One Looks Like
Updated on 11 November 2026
You can recognise a good influencer marketing agency by three things: it asks about your goal first, it explains why it suggests each creator, and it lists creator fees, usage rights and its own services separately. Promised reach figures and ready-made creator lists with no questions asked are warning signs. This article gives you eight criteria, the questions to ask in a first call and a checklist for comparing agencies.
What does an influencer marketing agency do?
An agency plans and runs campaigns on behalf of a brand. That covers strategy, selecting and vetting creators, negotiation, contracts, briefing, approvals, checking ad disclosure and reporting.
Two other offers are different:
- Talent management: represents specific creators and negotiates on their behalf. You get a firm answer quickly, but only about those talents.
- Platforms and tools: help with search and handling. The work itself – selection, coordination, checking – stays with you.
Some providers are both an agency and a management. That is not a drawback as long as they say openly which suggestions come from their own management and which from their network.
What makes a good agency? Eight criteria
- It asks before it offers. Goal, audience, product, budget, timing: without these, nobody can suggest creators responsibly.
- It explains its selection. Each profile comes with a reason. Why does the community fit, which content works there, which collaborations ran recently? Our article on how to find influencers lists what you can check yourself.
- It is not tied to a handful of faces. Good suggestions follow your brand, not whoever happens to be available.
- The quote is transparent. You can see what creator fees, usage rights, exclusivity and agency services each cost. Our article What does influencer marketing cost? explains how such quotes are made up.
- Contracts and rights are settled. The agency can tell you who signs with whom, which usage rights you receive and how approvals work. More on this under contract and briefing.
- Ad disclosure is a given. It is part of the briefing and is checked before and after publication.
- Reporting is agreed in advance. Which metrics you receive, in what form and when is fixed before the first post goes live.
- Communication works. You know who your contact is and get clear answers promptly, including to awkward questions.
How do agencies charge?
Three models are common, and they are also combined: a fee for the individual project, ongoing monthly support or a share of the campaign budget. None is better from the outset. What matters is that you understand what you are paying for and that the creators’ fees are shown separately from the agency’s services. Also ask whether the agency receives commission from creators or platforms on top. That is not unusual, but it should be out in the open because it can influence the selection.
Which questions should you ask in the first call?
A first call is a work sample, not a sales pitch. These questions show you how an agency thinks:
- How do you select creators, and where do the suggestions come from – your own management, your network or both?
- Which figures from the creators’ analytics do I see before booking?
- Who signs the contract with the creators, and who pays them?
- How is your own fee structured?
- Which usage rights are included, and what does an extension cost, for ads for example?
- How do briefing and approvals work, and how many revision rounds are planned?
- What happens if a creator drops out or the content doesn’t match the briefing?
- What does the report look like, and when do I get it?
- Who looks after my account day to day?
Pay less attention to polished answers than to whether you get specific ones.
What are the warning signs?
- Guaranteed results. Reach can be estimated; sales cannot be promised. Anyone guaranteeing revenue is promising something nobody controls.
- A creator list after five minutes. Suggestions made without questions about goal and audience come out of a drawer.
- A flat price with no breakdown. You can neither compare quotes nor see what reaches the creators.
- Follower counts only. Without information on audience, the reach of individual posts and past collaborations, there is no basis for a decision.
- Evasion on disclosure and rights. “We’ll sort that out later” is the wrong answer on both.
- Pressure. A good offer is still good next week.
How do you prepare your enquiry?
The clearer your enquiry, the better the quotes and the easier the comparison. Write down in a few sentences:
- brand, product and what makes it distinctive
- campaign goal: awareness, sales, content, job applications
- target audience
- preferred timing and fixed dates such as a launch or a trade fair
- a budget range, even a rough one
- what you have tried so far and how it went
Send the same enquiry to two or three agencies. Then you are comparing answers rather than apples and oranges.
Checklist: is this agency right for you?
- Did the agency ask about goal, audience and budget?
- Are the creator suggestions explained?
- Is it clear where the suggestions come from?
- Does the quote list fees, usage rights and agency services separately?
- Is it settled who signs the contracts with the creators?
- Are disclosure, approvals and reporting covered in the quote or the contract?
- Do you know who your contact is?
- Was the reply to your enquiry quick and specific?
- Does the size of the agency suit your project?
How we work at W!
W! Influencer is an agency and a talent management in one. Since 2017 we have been running influencer campaigns for brands, working with suitable creators from our network and from our own talent management. You will find more basics in our guide. You get a reply to your enquiry within 24 hours. Request a campaign
Sources
- Bitkom e.V. (German digital association): survey on influencer marketing in retail – retailers with influencer experience spend 7% of their advertising budget on average; 64% say smaller budgets can also succeed: press release, 14 Aug 2025 (German)
- BVDW e.V. (German Association for the Digital Economy): guide “Influencer*innen im E-Commerce” – e.g. define buy-outs for all channels in advance; networks of micro-influencers with a comparatively small media budget: PDF, October 2025 (German)
Frequently asked questions
A good agency asks about your goal, audience and budget first, explains every creator suggestion and lists fees, usage rights and agency services separately in its quote. It handles contracts, approvals and ad disclosure as a matter of course and agrees the reporting before the campaign starts.
It plans and runs campaigns on behalf of a brand: strategy, selecting and vetting creators, negotiation, contracts, briefing, approvals, checking ad disclosure and reporting. A talent management, by contrast, represents specific creators. Some providers are both.
Ask how creators are selected and where the suggestions come from, who signs the contracts with the creators, how the agency’s fee is structured, which usage rights are included, how approvals work, what happens if a creator drops out, and which report you receive when.
Be careful with guaranteed revenue, creator lists produced without any questions, flat prices with no breakdown, follower counts as the only basis for a decision, evasive answers on ad disclosure and usage rights, and pressure to sign quickly.
Note down your brand and product, the campaign goal, the target audience, the timing and a rough budget range. Sending the same information to two or three agencies gets you quotes you can compare.
Sandra Wrzosek is the founder and managing director of W! Influencer. Since 2017 she has planned influencer campaigns for brands and represented creators and TV personalities in her own talent management.