Israel Uses AI More Than Any Country on Earth. So Why Are Its Most Promising Startups Invisible Inside AI?

Calcalist just named the 50 most promisingIsraeli startups for 2026. We scored every one of them on AI visibility. Most are invisible. Here’s what that costs them — and how to fix it.

The list is out. Calcalist and CTech’s 17th annual ranking of the 50 most promising Israeli startupsfor 2026 reads like a who’s-who of agentic AI, frontier security, and quantum computing. Irregular at #1, working with Anthropic and OpenAI. Unframe at #2 with Bessemer money. ScaleOps at #8 with $210M. Port at #6 at an $800M valuation. ZyG at #4 with the ironSource founders back together.

Combined disclosed funding across the 50: north of $3 billion.

Calcalist did its job. The companies on this list have been validated by Israel’s most sophisticated technology editorial team and an advisory bench of nearly 70 venture firms. They will get their funding rounds covered, their founder profiles read by VCs, and their names cited in the next deal-flow conversation.

But the channel that matters most is no longer the one Calcalist controls. By the end of 2026, Brandlight — the GEO platform that itself sits at #16 on this very list — projects $750 billion in B2B and consumer purchases will route through AIengines. Buyers are asking ChatGPT what CRM to choose. Asking Gemini which API security vendor to evaluate. Asking Perplexity which Israeli cybersecurity firm to take a meeting with.

And on that screen — the only screen that matters now — most of these 50 companies are not visible.

The irony is sharp. According to our recent joint study with Louder, Claude in Israel: A Study on the Startup Nation, Israel ranks first in the world onAnthropic’s AI Usage Index at 4.9x — meaning Israelis use Claude nearly five times moreintensely than their share of the global working-age population would predict. 95% of Israeli tech workers now use AI tools regularly. The countrybuilds more startups per capita than anywhere onearth, and now uses AI more intensely thananywhere on earth. Those two facts are the same fact, measured twice.

So how is it that the 50 companies Calcalist just identified as Israel’s most promising are, by and large, the ones AI itself can’t find?

We scored every one. The pattern is severe. The fix is straightforward, but it doesn’t happen by accident.

What we measured

Real-time LLM testing across ChatGPT, Claude, Gemini, and Perplexity for 50 companies produces a snapshot that’s stale in 14 days, varies by user, varies by region, and can’t be defended in a board meeting. That’s not research — that’s a stunt.

What’s durable is scoring companies on the inputs that drive AI visibility. Six observable factors:

1. English-language press density. Tier-1 outlets (Reuters, Bloomberg, TechCrunch, Forbes, FT, WSJ, The Drum, Adweek, Axios), syndicated wires (PRNewswire, GlobeNewswire, Business Wire), and trade media. LLMs are trained onwhat’s been published — and how often.
2. Founder and investor halo. Prior exits, named partners, recognizable angels. The Wiz halo, the ironSource halo, the Palo Alto Networks halo. These pull press density up automatically.
3. Brand disambiguation strength. Can a model figure out which “Vega,” “Echo,” or “April” the user means? A common-word brand is a structural disadvantage no amount of PR can overcome on its own.
4. Reference-layer footprint. Wikipedia, Crunchbase, PitchBook, government registries, academic citations. Plus the supporting infrastructure most founders underrate: founder LinkedIn, executive bios, customer case studies on the company site, syndicated press releases. Every one of these is fuel that LLMs lean on when generating answers.
5. Time-in-market. Companies founded in 2025 or 2026 are not yet in major training corpora. Their visibility is rate-limited by the calendar.
6. Sector affinity. Categories like AI security, agentic platforms, and quantum get pulled into AI answers more often than crypto infrastructure or maritime navigation, regardless of business merit.

We scored every company 0–100 across these dimensions, then grouped them into four tiers: AI-Visible, Trending Visible, Visibility Gap, and Effectively Invisible.

The headlines from the data

Only 8 of the 50 are genuinely AI-visible today.Irregular, Brandlight, ScaleOps, Guardio, Appcharge, Quantum Art, Qodo, and Tastewise have built enough press density, brand uniqueness, and reference-layer presence to surface reliably in generative answers. That’s 16% of the list.

13 are trending visible. Strong signals — major recent funding, founder halos, decent press — but their LLM presence is rate-limited by training cycles or thin coverage outside trade media. Cylake, Nir Zuk’s new vehicle launched only six weeks ago, is the cleanest example: Greylock-backed, syndicated globally on day one, but no LLM has trained on it yet. Six months from now it will rank top 10. Today it doesn’t.

21 have a meaningful visibility gap. Real businesses, real revenue in many cases, but a combination of generic brand names, thin English-language press, or both is leaving them invisible to the channel where their next 100 enterprise buyers are doing the work.

8 are effectively invisible. No press depth, no Wikipedia, sometimes no funding announcement, often a brand name that collides with a Fortune 500 product or a common English word. Some of this may be by design — defense-tech and intelligence-adjacent companies actively avoid the spotlight, and in those cases invisibility is strategic. Worth flagging it anyway, because the consequence is the same regardless of intent: at the moment buyers are increasingly screening vendors through AI, these companies are not onthe screen.

The single biggest predictor of low GEO score is brand name choice. Naming, not funding, is the structural drag on this cohort. “April” is a fintech with a million users — and a month, a name, and a thousand other products. “Echo” is an AIinfrastructure company — and an Amazon device. “Clover” is a security-in-dev-tools play — and one of the largest POS companies in America. “Notch” is enterprise AI agents — and a video editor, a clothing brand, the Minecraft creator’s nickname, and a basic English word. PR cannot fix naming. It can only work around it.

The 8 AI-Visible: who’s winning the channel

The pattern across all eight: named customers in press, founder or investor halo, unique brand, and a quotable category-defining frame. None of this is luck.

Where the cohort is losing

These are real companies — many doing real revenue — but the patterns dragging them down are categorical, and they are fixable:

• Three-letter or abstract brand names (ZyG, AIR, the unnamed company at #34). Even with $58M from Bessemer, a three-letter abstract brand cannot win in a channel that depends ondisambiguation.
• Single common-English-word brands(companies named Echo, Clover, Notch, April, Act, Daylight, Lumia, Vega, Port, Sett). Every one collides with a larger product, a person, or a basic vocabulary item. LLMs default to the bigger entity.
• Stealth or near-stealth posture in 2026(Line5, Vetric — operating with $0 disclosed external funding despite real revenue). For some this is strategic. For most, secrecy in the AI visibility era is a self-imposed gag whose cost compounds.
• Brand-new companies (Q Factor, Cylake, Above Security, ZyG — all founded 2025 or 2026). Not yet in training data. The fix is not patience. The fix is published-volume velocity now, so the next training cycle catches them.

The full ranking

Score is not a judgment of business quality — it is a measure of how findable each company is in generative AI engines today, given the signals available.

Scores reflect GEO readiness as of April 2026, based on observable signals that drive LLM training data inclusion. They do not reflect business quality, technical depth, or revenue trajectory.

Five fixable failures

This list is, taken together, the strongest collectionof Israeli technology companies currently available to acquire, partner with, or compete against. Almost every one of them is leaving AIvisibility on the table for one or more of these reasons:

1. The funding announcement is the entire press strategy. A $50M raise gets one news cycle. That’s it. The company then goes quiet for nine months until the next round. By the time a buyer is researching them on Perplexity, the funding press is stale and there is nothing else for the engine to surface. The fix is editorial cadence — owned research, founder bylines, executive thought leadership in trade outlets, customer case studies — sustained between funding events.

2. Founder visibility is a single CTech profile. The interview Sophie Shulman or Meir Orbach got is excellent. It is not enough. LLMs trained globally do not preferentially weight Israeli outlets. Founders need US tier-1 byline placement (Forbes, Fast Company, Harvard Business Review, Inc.), podcast appearances on shows the engines surface, and quoted commentary in adjacent stories — not just stories about themselves.

3. The category isn’t being named. The companies that won the AI-Visible tier did one thing in common: they coined or owned a category phrase. “Frontier AI security lab.” “AI visibility platform.” “Code governance.” “Operating system of the cloud.” The companies in the Visibility Gap tier are described, not categorized — and LLMs surface categories before they surface companies.

4. The brand name has not been engineered for AI search. This is the one most founders cannot hear. The damage is real. If your brand is a common English word, a single capital letter, three abstract letters, or a phrase that collides with a Fortune 500 product, LLMs will struggle to surface you reliably. The company is not at fault for naming. The company IS at fault for refusing to address it — by adding modifier language (“Echo Security AI” not “Echo”), by aggressive cross-platform brand consolidation, or by building enough disambiguating context that even a generic name becomes findable.

5. There is no reference-layer infrastructure.Wikipedia is the single highest-leverage asset for AI visibility, and most of these companies don’t have a page. Crunchbase entries are thin. Founder LinkedIn presence is inconsistent. Customer case studies are not on the company website where LLMs can crawl them. Press releases are getting issued through low-distribution wires when the same money would buy real syndication. Every one of these is a 90-day fix.

Why this gets worse before it gets better

The cohort that wins the next 24 months of Israeli enterprise sales — and global enterprise sales — will not be the cohort with the best technology. It will be the cohort that the buyer’s ChatGPT tab returns when they ask, “Who should I evaluate?”

OpenAI is rolling out paid ad placements insideChatGPT. Google’s AI Overviews are now the default search experience. Perplexity is selling sponsored answers. Claude is being integrated into Slack and Salesforce. Every one of these surfaces is being trained, weighted, and monetized — and every one of them sources from the open web. The companies on this list that don’t have presence on the open web today don’t have presence in the buyer’s research surface tomorrow.

It also gets worse because of how AI memory works. Our recent research on the Crisis Tax found that crisis narratives established in the first 48–72 hours are now indexed permanently by generative AI systems. The same dynamic operates in reverse for positioning: the category language, the founder framing, the customer references that get baked into AI training cycles in 2026 will compound for years. The companies that move first will set the defaults that competitors then have to fight against.

This is exactly the structural shift Brandlight (#16 on this list) is selling against. They’ve built a $30M Series A on the thesis that 2026 is the year AIvisibility becomes a budget line for major brands. They are correct. The 49 other companies on this list need to behave as if they are correct.

What 5W is doing about it

5W is a public relations and digital marketing firm, and we are repositioning around what we believe is the most consequential shift in earned-media practice since the move from print to digital — generative engine optimization. The firms that win the next decade will be the ones that have already abandoned the assumption that a press release plus a news cycle equals brand presence.

We’ve built The 5W AI Visibility Index — the research vehicle that this article sits inside — to track exactly the dynamics we measured against the CTech 50: which companies show up in generative answers, why they show up, and what to do when they don’t. Volumes already published cover medical aesthetics and ultra-luxury travel. The next planned releases include enterprise software, cybersecurity, and consumer health. Israeli technology is on the list.

For the 50 companies named on the CTech list, our offer is direct:

• A no-cost individual GEO diagnostic for anyfounder or CMO on the list — what your current AI visibility actually looks like, scored against the same six factors above, with the specific fixes ranked by leverage.
• A 90-day GEO sprint for any company in the Visibility Gap or Effectively Invisible tier — Wikipedia infrastructure, founder positioning, category language work, owned-research production, and earned-media placement targeted specifically at the surfaces LLMs train on.

Israel uses AI more intensely than any country onearth. Israeli companies should be more visible inside AI than the companies of any country onearth. Right now they are not. That gap is closing — for the founders who decide to close it, and starting now. The companies that move first will set the category language their competitors areforced to fight against for the next decade. The ones that wait will discover that AI visibility, like SEO before it, is a winner-take-most channel — and that the ranking they earned in this CTech list is not the one their buyers will see.

Sources & further reading

• The full CTech 2026 list: The 50 most promisingIsraeli startups
• Claude in Israel: A Study on the Startup Nation— 5W and Louder, April 2026
• Israeli Tech in Florida Report — 5W, April 2026
• The Crisis Tax: What Poor Crisis Communications Actually Costs Shareholders— 5W, April 2026
• The 5W AI Visibility Index research series
• Founder commentary and PR strategy
• Daily PR industry coverage

Ronn Torossian is the founder and chairman of 5W, one of the largest independent public relations and digital marketing firms in the United States. This op-ed was published on Everything-PR.