# Peer39

**Source:** https://www.startuphub.ai/startups/peer39
**Profile type:** Startup

> Develops semantic advertising technology for precise ad-to-content matching using NLP and ML.

## About

Peer39 has developed proprietary semantic advertising technology that provides targeting data that accurately and efficiently matches online ads to content. The company's patented natural language processing and machine learning algorithms are able to understand the meaning and sentiment of content.

## Key facts

- **Slug:** peer39
- **Website:** https://www.peer39.com/
- **Location:** New York, United States
- **Founded:** 2005-09-01
- **Employees:** 61
- **Operating status:** Active
- **Total funding:** $20M
- **Sectors / tags:** Marketing, Real-Time Bidding, AdTech, MarTech, Natural Language Processing, Machine Learning, Data Platform, Advertising Technology, Content Intelligence
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/peer39
  - Facebook: https://www.facebook.com/tr

## Frequently asked

### What does Peer39 do?

Peer39 has developed proprietary semantic advertising technology that provides targeting data that accurately and efficiently matches online ads to content. The company's patented natural language processing and machine learning algorithms are able to understand the meaning and sentiment of content.

### What is Peer39's revenue?

StartupHub estimates Peer39's annual revenue at $11.7M (range $7.1M to $63.8M, 63% confidence), based on comparable companies in the sector.

### What is Peer39's valuation?

StartupHub estimates Peer39's effective valuation at $77.6M (range $50.0M to $120.0M, 10% confidence), based on comparable companies in the sector.

### How much funding has Peer39 raised?

Peer39 has raised a total of $20M in funding. The most recent round on record is Series A.

### Where is Peer39 headquartered?

Peer39 is headquartered in New York, United States.

### When was Peer39 founded?

Peer39 was founded in 2005.

### What industry does Peer39 operate in?

Peer39 operates in Marketing, Real-Time Bidding, AdTech, MarTech, Natural Language Processing, Machine Learning.

### How many employees does Peer39 have?

Peer39 has approximately 61 people on record.

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://www.startuphub.ai"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Startups",
          "item": "https://www.startuphub.ai/startups"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Peer39",
          "item": "https://www.startuphub.ai/startups/peer39"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/peer39#webpage",
      "url": "https://www.startuphub.ai/startups/peer39",
      "name": "Peer39 - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Peer39. Peer39 is a startup founded in 2005, operating in Marketing and Real-Time Bidding. Develops semantic advertising technology for precise ad-to-content matching using NLP and ML. Headquartered in New York, United States. The company has approximately 61 employees.",
      "dateModified": "2026-06-26T20:43:23.557+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/peer39#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/peer39#organization",
      "name": "Peer39",
      "url": "https://www.peer39.com/",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/6c519346-8e19-4944-b9bc-8c9db57b4a1a-horizontal.webp",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/6c519346-8e19-4944-b9bc-8c9db57b4a1a-horizontal.webp",
      "description": "This is the official profile of Peer39. Peer39 is a startup founded in 2005, operating in Marketing and Real-Time Bidding. Develops semantic advertising technology for precise ad-to-content matching using NLP and ML. Headquartered in New York, United States. The company has approximately 61 employees.",
      "sameAs": [
        "https://www.linkedin.com/company/peer39",
        "https://www.facebook.com/tr",
        "https://www.startuphub.ai/startups/peer39"
      ],
      "foundingDate": "2005-09-01",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "value": 61
      },
      "address": {
        "@type": "PostalAddress",
        "addressLocality": "New York",
        "addressCountry": "US"
      },
      "knowsAbout": [
        "Marketing",
        "Real-Time Bidding",
        "AdTech",
        "MarTech",
        "Natural Language Processing",
        "Machine Learning",
        "Data Platform",
        "Advertising Technology",
        "Content Intelligence"
      ]
    }
  ]
}
```
