Choosing a partner with a complementary customer base

Choose a partner whose customers face a related problem your business can help solve, and whose offer adds something useful for your customers. A complementary customer base is a credible fit between needs and contributions, not identical customer lists or a large audience.

Describe the customers on both sides

Start with the decision or task that brings a customer to each business. Record the organisation type, relevant buyer or user, stage of need and problem each firm addresses. Be specific enough to reveal differences hidden by broad labels such as “SMEs” or “finance teams”.

For example, two firms may both serve finance teams, yet one helps new businesses set up a process while the other serves established organisations replacing a system. A partnership may still be useful, but one message may not suit both groups.

Ask each partner where its customers encounter the other firm’s area of expertise. Listen for an ordinary customer question or hand-off point, rather than assuming everyone in an industry needs both offers. Check whether either business already offers a competing service that would confuse the joint proposition.

Test complementarity from both directions

Use the same questions for each side:

A concrete answer gives both teams something to explore: “Our customers ask how to prepare data before using a reporting service, and your team teaches that preparation.” “We both sell to businesses” is too broad to guide a decision.

Treat follower counts and mailing-list size as prompts for further questions, not proof of useful reach. Ask whether the relevant people are present and whether the partner can speak to their problem. A smaller group may suit a narrow activity if its needs fit; a larger unrelated audience may not.

Evaluating Complementary Customer Bases: Key Questions for Both Partners

Check the fit without exchanging contact lists

For an initial decision, use customer profiles, published material and broad segment descriptions. If sharing summaries, check that they contain no personal information and that each business may use them for this purpose. Discuss common questions and buying situations.

If more precise overlap analysis is needed, plan it separately under the privacy and marketing rules that apply. A possible marketing benefit does not itself authorise disclosure of personal contact information.

Look for both overlap and difference: a shared customer problem and distinct ways for the partners to help. Too little common need weakens the reason to collaborate. Near-identical offers may leave little additional value.

Make a small decision before a large commitment

Write a one-sentence customer proposition. Ask each partner for a plausible example of a customer who would benefit and one who would not. If the examples disagree, clarify the audience before producing material.

A limited activity aimed at the defined need can test the proposition. Review the questions it attracts. A low response alone does not establish that the customer bases are incompatible; the offer, message or distribution may have missed the need. Broad interest alone does not show that both partners added value.