75 Startup Backlink Sources for Brand Authority

Quick answer

The best startup backlink strategy is not to submit the same description to 75 websites. It is to build a useful, consistent footprint across the few third-party sources that match your company: claimable profiles, relevant communities, credible publishing platforms, and earned editorial coverage.

This guide turns a list of 75 potential sources into an operating plan. Every source in the database below has a direct platform link, access model, effort level, best-fit company, recommended approach, required assets, and priority. Start with the first 15, measure what becomes live and useful, then expand deliberately.

One important caveat: these are 75 possible authority sources, not 75 guaranteed backlinks. A placement may produce a followed link, a nofollow link, a brand mention, a referral path, or no link at all. The value depends on relevance, editorial quality, audience fit, indexability, and whether the profile or contribution is genuinely useful.

Why your website is not the whole authority story

Your website should be the clearest source of truth about your company. It is where you control positioning, product facts, documentation, and conversion. But buyers, search engines, and AI answer systems also encounter your brand elsewhere.

They may find:

• a product record on Crunchbase or AlternativeTo;
• verified customer opinions on TrustRadius;
• a repository and documentation on GitHub;
• a launch discussion on Product Hunt or Hacker News;
• a founder explaining a hard-earned lesson on Medium or Substack;
• an independent comparison, interview, or news article;
• a candid answer in a relevant Reddit community.

Those sources perform different jobs. A directory helps establish that the company and product exist. A review page records customer experience. A community thread reveals how practitioners talk about the problem. An editorial article can independently validate a claim. Together, accurate third-party references can make a brand easier to verify and understand.

That does not mean more mentions automatically cause better search rankings or AI recommendations. AI platforms use different models, retrieval systems, indexes, and citation methods. The practical goal is simpler: create credible, consistent evidence in the places your market already uses, then measure whether those sources appear in search results, referral traffic, and AI answers.

Backlink, listing, mention, and citation are not interchangeable

Before choosing a platform, decide what outcome you actually need.

Outcome	What it is	What makes it useful
Listing	A company, product, or founder profile	Accurate category, description, ownership, and current details
Brand mention	Your company is named, with or without a link	Relevant context and consistent facts
Referral link	A clickable path that can send visitors	Qualified audience and a matching destination page
Editorial backlink	An independent publisher links while covering a useful story or resource	Editorial relevance, trust, and a reason the link belongs
AI citation	An AI answer identifies a source URL	Retrieval relevance, accessibility, and support for the answer

Chasing only the link misses the point. A well-maintained product page that prospective customers actually consult may matter more than a followed link on an unrelated page. An unlinked mention in a respected industry publication may strengthen branded discovery. A helpful community answer can drive better leads than a generic directory profile.

Domain Rating is also not a quality score for an individual page. The DR numbers shown in the database are the supplied third-party estimates from the original social list, reviewed in July 2026. They can change, and they do not tell you whether a submission is accepted, indexed, followed, visible, relevant, or valuable. Treat them as rough context, never as a promise.

The four-rung Authority Ladder

The 75 sources become easier to use when you separate them by the kind of authority they require.

Rung 1: Claimable profiles and product listings

These are the facts you can responsibly establish yourself: company name, product category, founders, website, pricing model, screenshots, and official links. Examples include Crunchbase, AlternativeTo, SaaSHub, SourceForge, and relevant review platforms.

Start here because inconsistent basics create avoidable confusion. Use one canonical description, but adapt it to each platform's format rather than pasting an identical block everywhere.

Rung 2: Participatory communities

Communities such as Indie Hackers, Hacker News, Reddit, and specialist founder groups reward participation, not distribution. You earn attention by answering questions, sharing evidence, admitting tradeoffs, and respecting local rules.

The standard is straightforward: would the post still help if the reader never clicked your link? If not, it is probably promotion rather than participation.

Rung 3: Contributed expertise

Publishing platforms and contributor programs let a founder demonstrate expertise through original analysis, tutorials, datasets, or lessons. Medium, Substack, Hashnode, DEV, HackerNoon, and DZone can fit here, depending on the audience.

Do not create 10 thin versions of one article. Publish the strongest version on the channel that reaches the right people. If you syndicate owned content, use the platform's canonical-link feature where available so the original source is clear.

Rung 4: Earned editorial and reference coverage

Forbes, TechCrunch, VentureBeat, YourStory, First Round Review, Starter Story, and similar publications are not self-service backlink forms. Coverage is earned through a relevant story, original data, a notable milestone, credible expertise, or a strong fit with an editor's audience.

Wikipedia belongs at this rung too. A company does not qualify for an article because it wants one. Independent, reliable, substantial coverage must already exist, and conflicts of interest must be handled transparently under Wikipedia's notability and conflict-of-interest guidance.

The ladder is a sequence, not a score. Complete accurate, claimable facts first. Participate where you genuinely belong. Publish expertise worth referencing. Pitch earned coverage only when there is an independent reason to care.

Start with these 15 sources

The original list contains several famous domains, but fame is not a useful order of operations. This first-15 sequence favors realistic startup fit, clear submission paths, and a balanced footprint.

#	Source	Best use	Access	Effort
1	Crunchbase	Establish a current company and founder record	Free profile; paid data plans	Low
2	Product Hunt	Coordinate a real technology-product launch	Free; paid promotion available	High
3	GitHub	Publish code, documentation, examples, or templates	Free; paid team plans	Medium
4	AlternativeTo	Help software buyers compare genuine alternatives	Free	Low
5	TrustRadius	Build an honest B2B customer-review presence	Free profile; paid vendor plans	Medium
6	SourceForge	Create or claim a software listing	Free listing; paid programs	Medium
7	SaaSHub	Map a SaaS product to accurate categories and alternatives	Free listing; paid promotion	Low
8	StackShare	Document a real technology stack or developer product	Free profiles; paid teams	Medium
9	BetaList	Introduce a pre-launch product to early adopters	Free queue; paid fast track	Medium
10	Indie Hackers	Share useful, transparent founder progress	Free	Medium
11	Hacker News	Show a working technical product or original research	Free	High
12	Reddit	Help a specific community solve a relevant problem	Free; paid ads	High
13	Medium	Distribute original founder analysis or canonical syndication	Free; membership optional	Medium
14	Substack	Build a focused, recurring founder publication	Free; paid subscriber fees	Medium
15	Toolify AI	List a working public AI product in the right category	Free and paid submission options	Low

This sequence still needs to be filtered by fit. A nontechnical local clinic should not open a GitHub repository to manufacture a link. A browser extension should prioritize the Chrome Web Store. A privacy product may have a credible case for Privacy Tools. A visual consumer brand may get more value from Pinterest than StackShare. Relevance beats completion.

A practical six-week rollout

Do not attempt all 15 in one afternoon. A sustainable sequence looks like this:

1. Week 1: lock the source of truth. Finalize the company name, one-sentence category description, longer description, founders, official URLs, pricing language, and brand assets.
2. Week 2: claim foundational records. Complete Crunchbase and the software directories that accurately fit the product.
3. Week 3: improve proof. Claim the relevant review profile and create an ethical process for inviting real customers to review. Never buy or script reviews.
4. Week 4: publish something useful. Ship documentation, a public example, a benchmark, a teardown, or an original founder lesson.
5. Week 5: join one community. Choose the community where your team can answer real questions consistently. Read its rules before posting.
6. Week 6: launch or pitch only if ready. A Product Hunt launch, Show HN, or editorial pitch needs a working product, clear story, and someone available to respond.

Prepare one authority asset kit

Most incomplete listings fail for boring reasons: a blurry logo, conflicting descriptions, an abandoned founder profile, or no proof behind a claim. Prepare this kit once, keep it current, and adapt it to each platform.

• company name, legal name where required, founding year, and headquarters;
• 15-word, 50-word, and 150-word descriptions using the same core category language;
• official homepage, product, pricing, documentation, support, privacy, and social links;
• square logo, wordmark, 16:9 product screenshot, and a short demo;
• founder names, roles, biographies, headshots, and profile links;
• product categories, use cases, target customer, supported platforms, and pricing model;
• three verifiable proof points with a source for each;
• customer-review invitation language that asks for honest feedback without incentives;
• media contact, press facts, and a short explanation of what is actually newsworthy;
• tracking parameters for referral links and an owner for every profile.

Keep claims factual. If a platform asks for “best,” “leading,” customer counts, revenue, or adoption, provide evidence or choose plainer wording.

How to evaluate all 75 opportunities

The database below gives every source the same seven operating fields. Use them as a decision system, not as decoration.

1. Access

“Free” may mean free to create a profile, not free promotion or guaranteed publication. “Editorial” means an editor decides. “Community-curated” means acceptance depends on written and unwritten standards. Paid access can be legitimate, but payment does not transform advertising into editorial endorsement.

2. Effort

Low effort generally means a factual profile. Medium effort requires a complete submission, ongoing participation, or original content. High effort requires a working launch, credible pitch, customer program, original research, or sustained contribution.

If a source promises prestigious coverage with no real editorial effort, examine the offer carefully.

3. Best fit

A source is valuable when its audience, content format, and eligibility match the company. The “best for” field is permission to skip. A SaaS founder should not force a presence on a photography library; a local business should not ignore a well-maintained local profile because its DR is lower than a global publication.

4. How to get listed or mentioned

Each entry identifies the legitimate route: claim, submit, publish, contribute, participate, or pitch. Avoid shortcuts such as fake accounts, undisclosed promotion, vote coordination, paid reviews, or links inserted into unrelated user-generated pages. Google's spam policies for web search explicitly address link spam and large-scale content created mainly to manipulate rankings.

5. Required assets

Required assets expose readiness. Product Hunt needs a launch package and active makers. Hacker News needs a working product or substantive research. A publication pitch needs evidence and a reason the story matters now. Wikipedia needs independent sources, not a press kit.

6. Priority

The four database priorities translate the ladder into action:

• Start here: broadly useful, realistic foundations for the right startup.
• Build next: worthwhile after the basics are accurate.
• Situational: useful only for a specific product, audience, geography, or content asset.
• Earned only: editorial or reference coverage that should never be treated as a form submission.

7. Live placement

A submitted form is not an outcome. Record the live URL, publication date, profile owner, last review date, link destination, referral traffic, branded-search appearance, and whether the source turns up in relevant AI answers. Recheck important profiles quarterly.

Use source gaps to guide the work

The right third-party footprint depends on the questions you need to answer.

If buyers cannot confirm that your company exists, complete claimable profiles. If they cannot find credible customer experience, focus on review programs. If AI answers describe the product incorrectly, compare the sources those answers cite with your current facts. If competitors dominate recommendation prompts, identify which directories, discussions, and articles support them before copying their tactics.

Run a free ReachLLM AI Visibility Report to see where your brand and competitors appear across major AI answer platforms. Use the cited-source gaps as a shortlist for useful profiles, content, and outreach, not as a promise that one placement will change an answer.

How to measure whether a placement was worth it

Use a small scorecard instead of counting live links:

Signal	Question
Accuracy	Does the page describe the company, category, and product correctly?
Discoverability	Does the page appear for branded or relevant product searches?
Referral quality	Did visitors arrive, engage, or convert?
Audience response	Did the contribution earn useful discussion, saves, reviews, or follow-up?
Citation evidence	Does the page appear in AI answers for a relevant tracked prompt?
Maintenance	Is there a clear owner and review date?

Give a placement time to be crawled and discovered, but do not attribute every ranking or AI-answer change to the newest link. Search and generative answers are influenced by many changing inputs. Track the placement, annotate the date, and look for repeated patterns across prompts and platforms.

What not to do

• Do not submit to all 75 sources regardless of fit.
• Do not use false founder identities, fabricated metrics, or invented customer quotes.
• Do not pay for undisclosed reviews or coordinate votes.
• Do not pitch a press release as independent research.
• Do not republish the same thin article across every contributor platform.
• Do not create a Wikipedia page for your own startup simply because the domain is authoritative.
• Do not measure success only by DR or followed-link status.
• Do not abandon profiles after pricing, positioning, founders, or URLs change.

The durable strategy is slower and more defensible: accurate facts, useful contributions, real customer proof, and independent coverage that exists because the company did something worth covering.

Methodology and sources

This guide began with a social list shared by SEO practitioner Hridoy Rehman on X. ReachLLM independently organized the sources into the Authority Ladder, checked current official destinations, and added the access, effort, fit, asset, and priority guidance in July 2026.

The 75 entries include self-service platforms, communities, contributor publications, media libraries, editorial publications, podcasts, and reference sites. Inclusion means a source may be useful to an eligible company; it is not an endorsement, acceptance guarantee, or recommendation to purchase a placement.

Useful policy references:

• Google Search spam policies, including link-spam examples;
• Google Search guidance on qualifying outbound links;
• Product Hunt launch guide;
• Hacker News guidelines;
• Reddit's self-promotion guidance;
• Wikipedia notability guidance.

Frequently asked questions

What is the best way for a startup to get backlinks?

Build the company records that should exist, publish resources people genuinely need, participate in relevant communities, and earn editorial links through useful evidence or news. Start with the platforms your buyers and industry already use instead of choosing sources by domain metrics alone.

Does a backlink from a high-DR website automatically improve rankings?

No. Domain Rating is a third-party domain-level estimate, not a guarantee about an individual link. Relevance, page quality, editorial context, indexability, link attributes, and many other signals affect whether a placement has search or referral value.

Which backlink sources should a startup try first?

For many software startups, begin with accurate company and product profiles such as Crunchbase, AlternativeTo, SaaSHub, SourceForge, and the relevant review platform. Then add GitHub or StackShare for technical products, one founder publishing channel, and one community where the team can participate credibly.

Do startup directories help AI visibility?

They can make accurate company and product facts easier to discover, but a directory listing does not guarantee an AI mention or citation. Measure relevant prompts and cited sources before and after building the footprint, and prioritize the sources that appear in your market's actual answers.

Should a startup pay for directory listings or media coverage?

Pay when the commercial product has a clear audience and value, not because someone promises authority. Keep paid promotion, sponsorship, contributor membership, and independent editorial coverage clearly distinguished. Never describe paid placement as earned endorsement.

How should I track the 75 sources?

Record the owner, status, submission date, live URL, destination link, last review date, referral results, and relevant AI citations. Use the checklist below to save progress locally, and review high-value profiles whenever company facts change.

Build the footprint your market can verify

The best result is not “75 submissions completed.” It is a smaller set of accurate profiles, useful contributions, honest reviews, and independent references that help a buyer understand why your company belongs in the category.

Start with the first 15, skip the ones that do not fit, and move up the Authority Ladder as your proof gets stronger. Then run your free AI Visibility Report to see which sources appear in real answers and where your brand's evidence is still missing.