# LinkedIn DMs for testimonial and social proof collection

> Use LinkedIn direct messages instead of cold email when requesting testimonials or product feedback, achieving 2.5x higher response rates.

- Canonical HTML: https://growth.iangoh.com/growth-ideas/linkedin-dms-for-testimonial-and-social-proof-collection/
- Source: [wovly.ai](https://www.wovly.ai/blog/data-backed-go-to-market-strategies-saas-startups-250-case-studies)
- GrowthDex source hub: [wovly.ai](/sources/wovly-ai-wovly-ai/)
- Last checked: March 24, 2026
- Rarity: rare
- Budget: free
- Channels: LinkedIn
- Stages: 0-100, 100-1K
- Key metric: 2.5x higher

## Why this can grow

When asking for a favor rather than selling, prospects need to verify you are a real human with a real product. LinkedIn's built-in credibility signals — photo, work history, mutual connections — instantly lower the recipient's guard in a way a cold email address never can. The social context makes the request feel like a peer-to-peer conversation rather than a marketing ask, which is why response rates more than double compared to email for non-sales requests.

## Ian's take

From scaling consumer platforms across MENA and Southeast Asia, my default is to distrust growth work that only looks good in a slide. Founder-led distribution works when it is proof-led. I would not post theory for this. I would show what changed, what surprised me, what I would do again, and what an operator should try next. I would run it small enough to learn quickly, then only scale the parts that real users repeat, save, reply to, or buy from. For this tactic, I would watch 2.5x higher before putting more time or budget behind it.

## Action plan

1. Define one narrow startup segment where linkedin dms for testimonial and social proof collection can create a measurable lift.
2. Turn the tactic into one offer, page, campaign, or workflow for the LinkedIn channel.
3. Use the evidence from wovly.ai to set the first version of the message, format, and audience.
4. Launch a small test for 7 to 14 days with one success metric: 2.5x higher.
5. Review the result, keep the winning message, remove weak variants, and turn the learning into a repeatable growth playbook.

## Source-backed example

Indie hacker experiment documented in Wovly's 250+ case study analysis — switched from personalized cold emails (19% response rate) to LinkedIn DMs targeting the same user profiles and achieved a 50% response rate for testimonial requests.

## Adjacent tactics in the same lane

- [LinkedIn DMs for social proof collection](/growth-ideas/linkedin-dms-for-social-proof-collection/) - same source, 1 shared channel, 2 shared stages
- [LinkedIn DMs for social proof harvesting](/growth-ideas/linkedin-dms-for-social-proof-harvesting/) - same source, 1 shared channel, 2 shared stages
- [LinkedIn DM for social proof collection](/growth-ideas/linkedin-dm-for-social-proof-collection/) - same source, 1 shared channel, 2 shared stages
- [Intentional signup friction for PLG qualification](/growth-ideas/intentional-signup-friction-for-plg-qualification/) - same source, 2 shared stages

## Read GrowthDex essays

Browse the plain-English essay index at [GrowthDex Blog](/blog/).

## Advisory

If you want help turning this into a working growth system, Ian Goh offers advisory at https://iangoh.com/advisory.