Advertising is the bread and butter of all other industries, but it’s not an unchanging field. Today, GenAI innovations deliver on time and cost savings and drive startup funding overall toward new technologies that can shift the landscape of how and where companies pay to get seen.
Though funding is stagnating at 7.7% of overall marketing budgets in 2025, companies are still spending. However, they’re cautious, waiting to see which approaches deliver the ROI they’re after.
Which companies are coming out ahead in this environment?
We put our heads together and refined metrics on advertising companies that have received lots of funding and are funded in the Silicon Valley ecosystem. This ranking sheds light on the hottest advertising companies and allows for clear comparisons with similar funding and business models. It also applies the power laws to funding and company concentration in this space.
Top 25 Advertising Startups Ranking Table
We analyzed data from Crunchbase and Keywords Everywhere to uncover the top US advertising companies with top investors from Silicon Valley.
| Ranking | Company | GFD Tech100 Final Score* | GFD Funding Score* | GFD Website Score* | GFD Branded Keyword Score* | Private or Public? |
| 1 | ShopMy | 81.8 | 75.2 | 79.2 | 62 | Private |
| 2 | AppLovin | 80.5 | 76.7 | 84.2 | 49.5 | Private |
| 3 | Klaviyo | 80.1 | 74.1 | 79.7 | 57.6 | Private |
| 4 | Agentio | 77.8 | 79.3 | 63.6 | 55.2 | Private |
| 5 | Outbrain | 75.4 | 71.5 | 82.2 | 43.8 | Private |
| 6 | Legendary Entertainment | 70.6 | 66.1 | 68 | 51.4 | Private |
| 7 | Integral Ad Science | 68.8 | 64.4 | 70.9 | 45.8 | Private |
| 8 | Rentvine | 68.7 | 59.6 | 70.3 | 55.5 | Private |
| 9 | Sprinklr | 68.6 | 55.6 | 77.2 | 56.3 | Public |
| 10 | DoubleVerify | 68.5 | 63.5 | 69.5 | 47.8 | Private |
| 11 | Bluecore | 67.3 | 58.6 | 74.2 | 48.7 | Private |
| 12 | AdsGency AI | 67.2 | 67.2 | 62.3 | 43 | Private |
| 13 (tie) | MNTN | 67 | 55.1 | 66.3 | 62.5 | Private |
| 13 (tie) | Foursquare | 67 | 56.6 | 76.2 | 49.4 | Private |
| 15 | Innovid | 66.9 | 56.8 | 81.4 | 43.6 | Private |
| 16 | Demandbase | 66.8 | 58.7 | 70 | 50.9 | Private |
| 17 | Omneky | 66.7 | 46.3 | 75.2 | 70.1 | Private |
| 18 | CreatorIQ | 66.3 | 50.3 | 74.1 | 61.6 | Private |
| 19 | Ceros | 65.1 | 52.2 | 73.5 | 54.2 | Public |
| 20 (tie) | CallRail | 64.6 | 50.2 | 74.8 | 55.1 | Private |
| 20 (tie) | Howl | 64.6 | 50.5 | 76 | 53.1 | Private |
| 22 | Wunderkind | 64.4 | 55.5 | 66.4 | 52.1 | Private |
| 23 (tie) | Conviva | 64.1 | 46.4 | 80.8 | 54.9 | Private |
| 23 (tie) | WME | 64.1 | 55.2 | 67.7 | 50.3 | Private |
| 25 | VidMob | 62.4 | 58.8 | 61.7 | 43.3 | Private |
*GFD’s Tech100 score is a final composite score of the Funding Score, Website Score, and the Branded Keyword score.
Key Takeaways:
- The three hottest advertising companies in October 2025 are ShopMy, AppLovin, and Klaviyo due to the volume and freshness of their funding, the recent performance of their website, and the growth trends of their branded keyword.
Ranking the Top Startups by Funding Score
Funding is huge. This breakout highlights those firms that have raised the most venture capital rounds, ranked by a combination of date and volume. Note we are also including post-IPO raises as well. These are worth considering because they’re all part of the competitive system that all advertising startups are competing in.
| Ranking | Company | Total Funding Amount | Most Recent Funding Amount | Last Funding Date | GFD Funding Score* | Public or Private? |
| 1 | Agentio | $56M | $40M | 11/18/2025 | 79.3 | Private |
| 2 | AppLovin | $5.12B | $3.55B | 11/20/2024 | 76.7 | Private |
| 3 | ShopMy | $175M | $70M | 10/22/2025 | 75.2 | Private |
| 4 | Klaviyo | $1.35B | $195M | 8/13/2025 | 74.1 | Private |
| 5 | Outbrain | $1.03B | $638M | 2/11/2025 | 71.5 | Private |
| 6 | Prorata.AI | $65M | $40M | 9/5/2025 | 67.8 | Private |
| 7 | AdsGency AI | $15M | $12M | 10/20/2025 | 67.2 | Private |
| 8 | Legendary Entertainment | $3.58B | $800M | 4/18/2023 | 66.1 | Private |
| 9 | Integral Ad Science | $301M | $30M | 6/18/2025 | 64.4 | Private |
| 10 | DoubleVerify | $958M | $408M | 8/7/2023 | 63.5 | Private |
*GFD’s Funding Score captures funding volume and velocity by combing total funding with recent funding amount and recency.
Key Takeaways:
- When accounting for funding volume and freshness, Agentio leads the industry as it is the advertising company with the highest total funding of $56M and has recently in the past two months received a funding amount of $40M.
- AppLovin leads the advertising industry with a total funding amount of $5.12B.
- Agentio is a rising company within the advertising space that has been heavily funded in the past month. Their most recent funding amount was $40M and this funding amount accounts for more than half of their total funds.
1. Agentio
GFD Funding Score*: 79.3
Total Funding Amount: $56M
Most Recent Funding Amount: $40M
Days Since Last Funding: 13
Out of our 81 ranked Advertising companies, Agentio ranks #1 in funding. The company’s total funding is $56M and the last time they were funded was on November 18, 2025 for $40M. The last funding type was Series B. The total amount of lead investors that Agentio has is 4 and their top investors are: Antler, Craft Ventures, Benchmark, Forerunner, AlleyCorp.
2. AppLovin
GFD Funding Score*: 76.7
Total Funding Amount: $5.12B
Most Recent Funding Amount: $3.55B
Days Since Last Funding: 376
Out of our 81 ranked Advertising companies, AppLovin ranks #2 in funding. The company’s total funding is $5.12B and the last time they were funded was on November 20, 2024 for $3.55B. The last funding type was Post-IPO Debt. The total amount of lead investors that AppLovin has is 3 and their top investors are: Kohlberg Kravis Roberts, Streamlined, Employee Stock Option Fund, Webb Investment Network, Turkgen Ventures.
3. ShopMy
GFD Funding Score*: 75.2
Total Funding Amount: $175M
Most Recent Funding Amount: $70M
Days Since Last Funding: 40
Out of our 81 ranked Advertising companies, ShopMy ranks #3 in funding. The company’s total funding is $175M and the last time they were funded was on October 22, 2025 for $70M. The last funding type was Series C. The total amount of lead investors that ShopMy has is 5 and their top investors are: Menlo Ventures, Bessemer Venture Partners, Bain Capital Ventures, Inspired Capital Partners, AlleyCorp.
GFD Website Score Breakdown
Website traffic and traffic growth is important but doesn’t always line up perfectly with other attributes and events like funding. We were curious as to which of these companies saw the strongest website traffic and growth. The website score we captures the volume of recent website visits and combines it with the companies’ website growth trends.
| Ranking | Company | Last Month Total Visits | Average Visits (6 Months) | Monthly Visit Growth | GFD Website Score* | Private or Public? |
| 1 | Brave | 600.0M | 499.3M | 15.75% | 89 | Delisted |
| 2 | AppsFlyer | 146.7M | 185.1M | 9.54% | 85.9 | Private |
| 3 | AppLovin | 47.8M | 37.2M | 27.36% | 84.2 | Private |
| 4 | PubMatic | 7.0M | 4.3M | 75.83% | 82.7 | Private |
| 5 | Roku | 39.8M | 36.2M | 7.83% | 82.5 | Private |
| 6 | Outbrain | 69.8M | 91.9M | -12.88% | 82.2 | Private |
| 7 | SEMrush | 27.5M | 22.7M | 13.46% | 82 | Private |
| 8 | Innovid | 12.1M | 10.7M | 27.79% | 81.4 | Private |
| 9 | InVideo | 13.0M | 13.1M | 16.91% | 80.9 | Private |
| 10 | Conviva | 1.9M | 1.3M | 92.84% | 80.8 | Private |
*GFD’s Website Score captures the volume of recent website visits and combines it with the companies’ website growth trends.
Key Takeaways:
- The advertising company with the most average monthly website traffic over the last six months is Brave with 499.3M visits per month.
- Two advertising industry leaders with the most average monthly website traffic volume over the last six months are Brave and AppsFlyer.
- Two companies in the advertising space with fast growing websites over the past month are Conviva and PubMatic. Both companies have seen their website traffic increase by 75.00% over the last month.
1. Brave
GFD Website Score*: 89
Last Month’s Total Visits: 600.0M
Monthly Average Visits Over 6 Months: 499.3M
Monthly Visit Growth: 15.8%
Out of our 81 ranked Advertising companies, Brave ranks #1 in website traffic. Last month, the website saw 600.0M total visits and increased by 15.8% from the month before that. The average visits over the past 6 months were 499.3M.
2. AppsFlyer
GFD Website Score*: 85.9
Last Month’s Total Visits: 146.7M
Monthly Average Visits Over 6 Months: 185.1M
Monthly Visit Growth: 9.5%
Out of our 81 ranked Advertising companies, AppsFlyer ranks #2 in website traffic. Last month, the website saw 146.7M total visits and increased by 9.5% from the month before that. The average visits over the past 6 months were 185.1M.
3. AppLovin
GFD Website Score*: 84.2
Last Month’s Total Visits: 47.8M
Monthly Average Visits Over 6 Months: 37.2M
Monthly Visit Growth: 27.4%
Out of our 81 ranked Advertising companies, AppLovin ranks #3 in website traffic. Last month, the website saw 47.8M total visits and increased by 27.4% from the month before that. The average visits over the past 6 months were 37.2M.
Advertising Startups with Strongest Branded Search Growth
A great way to measure brand growth is by analyzing keyword growth for the company across a period of time. We sourced Google Search keyword data for companies on the list and ranked by a score that accounted for total keyword search as well as search volume change over the last year.
| Ranking | Company | Total Keyword Search Volume | Average Monthly Search Volume Change (1 Year) | 1 Year Trend Positive or Negative? | GFD Company Keyword Ranking* | Private or Public |
| 1 | Omneky | 5K | 1K | + | 70.1 | Private |
| 2 | MNTN | 1.8M | 20K | + | 62.5 | Private |
| 3 | ShopMy | 61K | 4K | + | 62 | Private |
| 4 | CreatorIQ | 18K | 2K | + | 61.6 | Private |
| 5 | Klaviyo | 301K | 2K | + | 57.6 | Private |
| 6 | Sprinklr | 91K | 2K | + | 56.3 | Public |
| 7 | Mutiny | 110K | 1K | + | 56.1 | Private |
| 8 | Rentvine | 41K | 1K | + | 55.5 | Private |
| 8 | Singular | 201K | -755 | – | 55.5 | Private |
| 10 | My Code | 10K | 513 | + | 55.4 | Private |
*GFD’s Branded Keyword Ranking is a metric that combines monthly branded keyword search volume with a 1-year linear trend that is observed weekly and adjusted by search volume.
Key Takeaways:
- Omneky is the fastest growing branded keyword in the advertising industry. It has an average monthly increase of about 1K searches.
- MNTN is the company among the top ten companies for branded keyword search for advertising that has the most volume. It has a search volume of 1.8M searches.
- Two fast rising companies in the advertising space are Omneky and CreatorIQ according to their branded keyword search trends.
1. Omneky
GFD Branded Keyword Score*: 70.1
Total Keyword Search Volume: 5K
Average Weekly Search Volume Change: 1K
Out of our 81 ranked Advertising companies, Omneky ranks #1 in branded keyword searches. Last month, their total branded keyword search volume was 5K. Over the course of the last year, the average monthly change for their branded keyword search volume was 1K, indicating an increase in their 1-year trend.
2. MNTN
GFD Branded Keyword Score*: 62.5
Total Keyword Search Volume: 1.8M
Average Weekly Search Volume Change: 20K
Out of our 81 ranked Advertising companies, MNTN ranks #2 in branded keyword searches. Last month, their total branded keyword search volume was 1.8M. Over the course of the last year, the average monthly change for their branded keyword search volume was 20K, indicating an increase in their 1-year trend.
3. ShopMy
GFD Branded Keyword Score*: 62
Total Keyword Search Volume: 61K
Average Weekly Search Volume Change: 4K
Out of our 81 ranked Advertising companies, ShopMy ranks #3 in branded keyword searches. Last month, their total branded keyword search volume was 61K. Over the course of the last year, the average monthly change for their branded keyword search volume was 4K, indicating an increase in their 1-year trend.
Methodology and Sources
- Methodology: We collected data for 10k+ companies from Crunchbase and aggregated it into a set of scores through the use of quantitative transformations and expertly curated weighted averages.
- Sources: Crunchbase and Google Trends
Update Log
- December 1st, 2025: Monthly update.
- November 1st, 2025: Monthly update.
