The idea, in one sentence. When you launch a SaaS, you have no ad budget, no audience, and no time to waste. The LinkedIn comment is your best starting channel: without posting, it puts you in front of your early adopters, design partners, future talent and investors — exactly the people founder-led marketing aims at. This guide lays out the tactics specific to the founder: who to comment under, what to write, and where it leads. Backed by our first-party LinkHub data; third-party numbers are dated and flagged, none invented. ⚠️ The comment builds familiarity and pipeline, not the signature or the funding round.
Key takeaways
- For a founder, the comment beats the post at the start. With no audience, your post falls flat; a comment borrows a niche creator's audience and makes you visible today. (see grow without posting)
- Your comment ICP isn't a single audience. You want to reach four circles at once: early adopters, design partners, talent and investors — each gathers under different hosts. (see comment ICP)
- The right host changes everything. Across 4,861 creators, commenting on a top 10% earns ~3.4x more impressions than the median (124 vs 36), a top 1% ~10x (357). (LinkHub)
- Timing multiplies the effect. Commenting in the 0-30 min window earns ~3.8x more than after 24h. (LinkHub, 261,137 comments)
- Founder-led, not brand-led. Early-stage buyers follow founders, not logos. Your face and voice carry further than your company page.
- The goal is the conversation. Each comment aims at a profile visit, then a warm DM: a product discovery call, a design-partner coffee, a hiring chat or an investor exchange.
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1. Why the comment is the founder's best early-stage channel
At launch, you face three simultaneous shortages: no ad budget, no audience, no time. Ads cost a CAC you can't yet afford. Posting does almost nothing while nobody follows you: the algorithm shows your post to a handful of contacts, and if it doesn't engage, it dies (detail in grow without posting).
The comment bypasses all three shortages at once. When you comment on a post by a creator your market already follows, you appear in front of their audience — without having built it, without paying, in a few seconds. That's the very definition of founder-led marketing applied to the most accessible channel: your founder voice, where your future customers already read.
And the terrain works for you: reach has concentrated on strong creators — "Top Creators" visibility went from 15% (2022) to 31% (2025) per van der Blom. In other words, the audience gathers under a small number of hosts: you just need to identify the right ones in your niche and post yourself there in comment.
2. Your four comment ICPs: early adopters, design partners, talent, investors
A founder doesn't just sell a product — they recruit users, co-builders, employees and funders. The comment reaches all of them, provided you think in comment ICP: not "who I talk to," but which creators to comment under to land in front of them (full definition in comment ICP). Your four circles don't read the same hosts:
- Early adopters — they follow creators who talk about the problem you solve (not your product category). Comment under those who describe your future customers' pain.
- Design partners — highly engaged practitioners, often power users of competing or adjacent tools. They hang out under your niche's technical posts.
- Talent — the builders you want to hire follow "craft" creators (engineering, design, growth). Commenting thoughtfully under them makes you desirable as an employer.
- Investors — VCs and angels post and comment on LinkedIn. Showing up regularly, with a relevant angle, under posts in your thesis puts you on their radar before any cold email.
Raw reach isn't enough: you need the right reach. A niche creator followed by your early adopters beats a generalist account with 100,000 off-topic followers. To identify these hosts without guessing, LinkHub's AI profile recommendation infers your ICP from your profile, then searches 100,000+ LinkedIn profiles for the best ROI for your niche.
3. What to write: the founder comment that builds credibility
A founder has an unfair advantage in comments: you live the problem from the inside. Your comment should never read like an ad for your SaaS — it should prove, in passing, that you know the subject better than anyone. Aim for 15-40 words, add data, a field insight or a reasoned disagreement (draw from these comment examples and the write a good comment method).
Concrete example, under a growth creator's post saying "SaaS onboarding must be self-serve":
True, but we saw the opposite in our early access: our first 20 accounts activated 2x faster with hands-on human onboarding. We only tooled the self-serve flow once we'd pinned down the "aha moment" on the phone. What usage threshold do you watch before switching?
This comment does four things at once: it adds field data, it positions you as a founder who builds (product credibility + talent), it opens a discussion (the creator and their audience reply), and it didn't pitch. That's exactly what turns an impression into a profile visit — where your headline and "About" section take over.
4. How to find the right posts and comment at the right time
Two reflexes multiply the effect: being early and targeting the right host.
The right host. At equal effort, across 4,861 creators, commenting on the median earns 36 impressions, a top 10% 124 (~3.4x), a top 1% 357 (~10x) (see who to comment on). Same comment, under the right creator, seen 3 to 10x more — provided its audience contains your four circles.
The right time. Across 261,137 real comments, a comment posted in the first 30 minutes generates 391 impressions on average, versus 104 after 24h — about ~3.8x (van der Blom confirms the first hour captures most of the reach; see when to comment). A post gets its reach peak in its first hour; commenting then exposes you to the maximum audience.
The practical problem — a founder has no time to watch the native feed — is solved by personalized feeds: you group your hosts (one feed per circle if you want) and see their posts as soon as they go live. Combined with AI-personalized comments (always validated by you), a comment takes ~29s measured (median, n = 44,523) — doable even mid product sprint. The spotting method is detailed in finding the right posts to comment on.
5. From comment to design partner (and the rest)
The impression is only a means. The founder's goal is the conversation: LinkedIn is a social network, and your job at the start is to talk to humans, not stack views (the full path from comment to client). The typical journey:
- Comment under the host your circles follow — you exist for them, several times.
- Exchange in replies under the post — a first public link, no pitch.
- Move to a warm DM referencing the exchange ("we chatted under X's post") — you're no longer a stranger.
- Convert by circle: a product discovery call with an early adopter, a design-partner coffee, a hiring chat with a builder, a deeper exchange with an investor.
That's the logic of the comment acquisition funnel, applied to a founder's four missions. And it compounds: by repeatedly exchanging under the same hosts, you become familiar to your whole niche — the network effect that will later make your own posts (when you make them) far more visible.
6. Should you comment before the product is ready?
Yes — it's even the best time. Commenting before launch builds an asset ads can't buy: familiarity with your market and a warm list of early adopters and design partners ready to test. You don't wait for a finished product to talk; you talk about the problem, and you recruit the people who live it.
Be honest about what this produces: our data measures impressions and familiarity with your ICP — not a count of signups, deals or rounds raised. The link between "being seen by the right circles" and "finding your first 10 customers or your design partner" is reasoning backed by the mechanism, not a first-party measurement. ⚠️ Correlation isn't causation: the comment creates the ground; it's on you to convert the conversation.
FAQ
Should a SaaS founder comment or post first? Comment first. With no audience, your posts will be barely seen; the comment makes you visible today in front of your early adopters, design partners, talent and investors. You can post later, once a first network is built — and commenting will then boost your posts.
How do I find my early adopters and design partners through comments? By commenting under the creators who talk about the problem you solve (not your product category). Their audience contains the people who live that pain. Target these hosts via the comment ICP and the AI profile recommendation.
Can comments really attract investors? It puts you on their radar before any cold email: VCs and angels post and comment on LinkedIn, and showing up regularly, with a relevant angle, under posts in your thesis builds familiarity. It doesn't "open" a round on its own — it sets up the conversation. What our data measures is visibility, not raises.
How much time should a founder spend on it? A few minutes a day. With LinkHub, a comment takes ~29s measured (n = 44,523); 5 to 10 targeted comments fit in a coffee break, even mid product sprint. Consistency beats intensity.
Should you comment before having a finished product? Yes. Commenting before launch builds familiarity with your market and a warm list of early adopters — an asset ads can't buy. Talk about the problem, not the not-yet-ready product.
Sources & methodology
- First-party LinkHub data — impressions per comment (657,722 comments), creators commented on (
creator_stats_cache, 4,861 creators: p50 = 36, p90 = 124, p99 = 357), timing (261,137 comments), measured creation time (n = 44,523). The number of signups, deals or rounds raised is not measured: the funnel mechanism is reasoning backed by these signals + third-party studies. See who to comment on, when to comment. - van der Blom — Algorithm InSights Report 2025 · Botdog — LinkedIn Algorithm 2025
- Browse all our studies on the LinkHub blog.
About the author
Founder of LinkHub
Yannis writes about social selling, LinkedIn comments and visibility. He builds LinkHub, the extension that helps you attract qualified clients through your comments.
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