How to Write a Market Research Brief for an Agency
If you’ve decided to commission external market research, the brief you send to an agency will shape everything that follows — the quality of proposals you receive, the accuracy of costings, the methodology recommended, and ultimately the insights you get back.
A strong brief doesn’t need to be long. But it does need to cover the right ground. This guide walks you through exactly how to write a market research brief for an agency, section by section, so you go into the process with confidence.
Why a Good Brief Matters
Agencies can only propose what they understand. A vague or incomplete brief leads to vague proposals — and often to misaligned research that doesn’t quite answer the question you actually needed to answer.
On the other hand, a clear, well-structured brief does several things at once. It forces you to think through your own objectives before you speak to anyone. It allows agencies to propose the right methodology rather than a generic default. It gives everyone a shared point of reference throughout the project. And it significantly reduces the risk of costly mid-project changes.
Think of the brief as the foundation. Get it right and everything built on top of it is more likely to succeed.
What to Include in a Market Research Brief
1. Project Overview and Background
Start with context. Who are you as an organisation, what market do you operate in, and what has prompted this research? Is this a standalone project or part of an ongoing research programme? Have you done any previous research on this topic that an agency should be aware of?
The more relevant background you provide, the better positioned an agency is to design research that fits your situation rather than a generic version of your situation.
Also include a clear statement of purpose — in plain language, why does this research need to happen? What decision will it inform, or what problem is it trying to solve?
2. Research Objectives
This is the most important section of your brief. Your objectives should be specific, focused, and expressed as outcomes rather than activities.
A weak objective: “To understand our customers better.”
A strong objective: “To identify the top three drivers of customer churn among B2B clients who have been with us for less than 12 months.”
Aim for three to five clear objectives. Any more than that and you risk producing research that covers a lot of ground but answers nothing conclusively. If you genuinely have more than five objectives, it’s worth discussing with the agency whether this should be one project or two.
3. Target Audience
Describe in as much detail as possible who the research needs to speak to. This is critical for methodology and costing — reaching niche or hard-to-access audiences costs more and takes longer than reaching broadly defined ones.
Cover demographic characteristics (age, gender, location, income level), professional characteristics if relevant (job title, company size, sector), and any behavioural or attitudinal criteria (existing customers only, recent purchasers, lapsed users, etc.).
If there are groups you specifically want to exclude, note those too.
4. Research Questions
Beyond your objectives, it can be useful to list the specific questions you want the research to answer. These aren’t the survey questions themselves — those are for the agency to design — but the strategic questions the project should resolve.
For example: “Do customers who interact with us via phone have a higher satisfaction score than those who use our online portal?” or “Is awareness of our new product range higher or lower among 25–34 year olds than among 35–44 year olds?”
These help the agency understand the level of granularity you need and whether the research needs to be designed to allow for subgroup analysis.
5. Methodology Preferences
You may have a view on methodology, or you may be happy to be guided by the agency. Either is fine — just be upfront about it.
If you know you want an online quantitative survey, say so. If you’re open to a mix of qual and quant, say that. If you’ve tried a particular method before and it didn’t work well for your audience, that’s worth mentioning too.
If you’re unsure, a good agency will recommend the most appropriate approach based on your objectives and audience — but they need to know if there are any constraints (for example, if face-to-face fieldwork isn’t feasible for logistical or budget reasons).
6. Budget
This is the section many clients are reluctant to complete — but it’s one of the most important. Sharing a budget range allows agencies to design research that is genuinely achievable within your constraints, rather than proposing something aspirational that then has to be cut back.
You don’t need to give a precise figure. A range is fine: “We are expecting to spend in the region of £X–£Y.” If you genuinely have no budget in mind yet, say so — a good agency will give you an indication of what different methodological approaches typically cost, which helps you calibrate.
7. Timeline
When do you need the research to be complete? Are there specific milestones that are fixed — a board presentation, a product launch, a budget cycle — that the project must work around?
Be realistic. Rushing fieldwork tends to reduce response rates and data quality. If your timeline is tight, flag it early so the agency can tell you honestly whether it’s achievable.
8. Deliverables
What do you actually want back at the end? Options typically include a written report, a PowerPoint presentation, an interactive dashboard, raw data files, or some combination. If you need the agency to present findings to your senior team, include that too.
Being specific here avoids misunderstandings and means the agency can cost the output accurately from the start.
9. Any Other Requirements
This catch-all section is where you note anything else relevant — data security requirements, language needs if the research spans multiple markets, regulatory considerations, or internal sign-off processes the agency should be aware of.
A Few Common Mistakes to Avoid
Starting with the solution rather than the problem. Specifying the methodology before you’ve clearly defined your objectives can lead you to commission the wrong type of research. Let the objectives drive the methodology, not the other way around.
Being vague about the audience. “Adults in the UK” is not a target audience. The more specific you are, the more accurate the proposal and the more useful the research.
Omitting budget. Agencies can design research at many different price points. Without a budget guide, they’re guessing — and that’s rarely in your interest.
Treating the brief as final. A good agency will come back to you with questions. That’s a positive sign, not a problem. The brief starts the conversation; it doesn’t have to end it.
Ready to Get Started?
At Robust Insight, we respond to all briefs with a fully costed proposal within 48 hours. Our briefing template is designed to make the process as straightforward as possible — covering all nine sections outlined above in a simple, structured format.
Access the Robust Insight Market Research Briefing Template →
If you’d prefer to have a conversation before committing anything to paper, we’re always happy to talk through your research needs informally first.
