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Judge a marketing agency by whether its people, plan and evidence fit your business problem—not by a polished pitch or a high score on a generic checklist. Set your evaluation criteria before reviewing proposals, weight them for the work at hand, and ask for evidence behind every important rating.
Start with the work you need done
Write down the business problem, the work you expect the agency to perform and the risks that matter most before comparing candidates. Then choose criteria and weights that reflect that assignment. For production-heavy work, execution and delivery may deserve more weight; for a strategic engagement, give more attention to strategy, research and measurement.
The American Advertising and Marketing Association (AAMA) offers an editable scorecard with 15 criteria, a five-point rating scale, weighted calculations and a finalist review. Its criteria cover strategy, relevant experience, creative judgment, channel capability, research, analytics, the proposed team, communication, delivery, operational fit, commercial value, scope, references and organizational fit. Use it as a starting point, not a universal formula or a predictor of success. AAMA’s Agency Evaluation Scorecard
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#1 Best Overall
What evidence should an agency provide?
Confidence and presentation quality are not proof. Ask for materials and answers that let you test the agency’s claims, and record what supports each judgment.
- Strategic fit: A clear explanation of the business problem and why the proposed approach addresses it.
- Relevant experience: Case studies tied to a comparable challenge, audience or capability, with enough context to understand the claimed results.
- Measurement: A proposed dashboard or measurement plan that defines outcomes, metrics, calculations, available data and attribution limits.
- Delivery: A project plan, budget and staffing plan that identify responsibilities, timing and dependencies.
- Working relationship: References who can speak to both results and the process of working with the team.
- Direct answers: Responses from the people who would actually do the work, not only from the pitch team.
Can the agency connect marketing activity to business outcomes?
Ask what outcome will define success, how each metric is calculated, what data is available and what the measurement can—and cannot—attribute to the agency’s work. A list of channel metrics is not enough if it does not explain how those metrics relate to the business problem.
Rank #2
Look for a practical measurement plan: the outcome, the indicators used to assess progress, the data sources and any relevant limitations. If a proposal makes a result sound certain, ask what assumptions it depends on and how the agency will report when those assumptions do not hold.
Who will do the work, and how will it be delivered?
Confirm the proposed team’s names or roles, responsibilities and availability. Ask whether the people presenting the pitch will remain involved, how much time the delivery team can provide and how the agency handles project management and communication.
Find out which capabilities the agency performs directly and which rely on subcontractors or other partners. Outside support is not automatically a problem, but you should know who is accountable for each part of the work and how partner involvement affects delivery, communication or cost.
Is the fee good value for the scope?
Compare the full commercial structure, not just the headline fee. Read what is included and excluded, which responsibilities sit with your team, and what external costs, assumptions, dependencies or scope changes could affect the price or schedule. A lower fee may represent less work or a different delivery model; it is not automatically the better value.
Ask each agency to make its assumptions explicit so you can compare proposals on the same basis. If scope or pricing is unclear, resolve that before using cost as a deciding factor.
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How to compare finalists fairly
Apply the same assignment-specific criteria and request the same kinds of evidence from each candidate. Compare the substance behind the ratings, not just the totals. A small score difference does not establish meaningful superiority unless the supporting evidence does.
- Strategic understanding of the problem
- Relevant experience with the challenge or audience
- Measurement quality and transparency about limits
- Capability and channel fit
- Named delivery team, availability and continuity
- Project management and communication
- Scope clarity and total commercial structure
- References and fit with your decision process
Keep critical requirements and material risks visible alongside weighted scores. A scorecard helps make trade-offs easier to see; it cannot replace judgment about whether the evidence is credible and the team is right for the assignment.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to assess an agency you already use
Review the incumbent’s actual work against agreed expectations rather than scoring it on promises made during the original pitch. Look at strategic contribution, campaign performance, reporting, budget management, team continuity, delivery and scope control using evidence from the engagement.
Separate performance issues from changes in the assignment or circumstances. If expectations, available data or responsibilities changed, account for that context when deciding whether the agency is delivering value and what needs to change.
Questions to ask before you choose
- What business problem do you think this work needs to solve, and how does your approach address it?
- What outcome defines success? How will you calculate it, and what attribution limits should we understand?
- Which people will do the work, what roles will they hold, and how much time will they provide?
- Which capabilities do you perform directly, and which depend on subcontractors or other partners?
- What is included and excluded? Which assumptions, external costs, dependencies or changes could affect the fee or schedule?
- Can you provide relevant case studies and references so we can validate the claimed results and working process?
- Who are our decision-makers, what information and benchmarks can we provide, and how will reviews and day-to-day communication work?
Open discussion of goals, priorities, performance and economics is part of a productive agency relationship, not something to postpone until after selection. The 4As describes this as ongoing dialogue in its Agency Prospect Assessment Guidance.
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