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Referral system: make the service easy to describe
A client can refer you more accurately when your offer identifies a buyer, problem and deliverable. Provide a short summary and a relevant sample rather than a broad list of everything you might do. Referrals should lead to work you can deliver. Do not encourage introductions for roles outside your competence merely to increase the number of inquiries.
Ask after useful delivery
Choose a moment when the client has received and reviewed the work. Ask whether they know someone with a similar need, without making the request a condition of support. An optional introduction is different from access to the client’s entire contact list. Accept a refusal calmly and avoid repeated reminders that turn appreciation into pressure.

Get permission before contact
Prefer an introduction or explicit consent to contact the referred person. Explain why the conversation might be relevant and keep the first message concise. Do not add them to a newsletter automatically or send a bulk campaign using copied client contacts. Respect applicable privacy and marketing rules. A recommendation creates an opportunity for conversation, not authorization to exploit personal information.
Handle incentives transparently
If you offer a referral reward, define eligibility and disclose material connections where required. The FTC’s endorsement guidance is a useful U.S. reference, not a global rulebook. Do not buy favorable testimonials or require positive reviews in return for a discount. A referral and an independent endorsement are different claims that should not be presented misleadingly.
Track outcomes respectfully
Keep a minimal record of introductions, follow-up and suitability. Thank the person who introduced you without revealing private negotiations. Review whether referrals match your positioning and improve the service description if they do not. A sustainable system rests on reliable work and respectful relationships; it does not guarantee a constant stream of clients or justify spam.

Sources and further reading
Upwork: beginner guide to profiles, portfolios and proposals
FTC: endorsements and affiliate disclosures
Related reading
Freelance Digital Marketing: Build a Measurable First Service
