Topsort: Detailed Company Information & Corporate Profile
Summary
Topsort is a San Francisco‑based software development company founded in 2021, employing 100–200 people and generating $50M–$100M in revenue.
Topsort specializes in advertising technologies, delivering auction‑based and sponsored listing solutions for marketplaces. Its ad platform supports banner, native, search, brand and product ads, while autobidding powered by machine learning and AI optimises retail media campaigns. The company offers a robust API ecosystem—ad server, advertising, and retail media APIs—that integrates seamlessly into eCommerce platforms.
The executive team is led by Co‑Founder and CEO Regina Ye and Co‑Founder & CTO Francisco Larrain. Other key leaders include Pedro Almeida (Head of Sales & New Business Development), Runqi Lin (Marketing Coordinator), Catalina Elzo Vera (Head of Engineering), Paula Frasser (Global Head of Customer Success) and additional senior engineers and product specialists.
| Topsort Website | topsort.com |
| Social Links |   |
| Phone Number | 6506446036 |
| Industries | |
| Topsort Headquarters Address | San Francisco, CA, US |
| Company Size | 100-200 employees |
| Specialities & Services | Advertising, Sponsored Listings, Auction-based Advertising, Marketplace Monetization, Banner Ads, Sponsored Search, Sponsored Brands, Sponsored Products, Ad Platform, Ad Server, Autobidding, Retail Media, eCommerce Advertising, Native Ads, Ad Infrastructure, Retail Media API, Advertising API, Ad Server API, Bidless Advertising, SaaS, machine learning, artificial intelligence, retail media, Ad Infrastructure, Marketplace Technology |
| Founded | 2021 |
| Estimated Annual Revenue | $50M - 100M |
| Updated: | 2026-09-21 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 2020 | Privately Held | 25 - 100 | |
| 2016 | Privately Held | 1.0K - 5.0K | |
| 2012 | Privately Held | 1.0K - 5.0K | |
| 2015 | - | 200-500 |
Estimated Website Traffic
The chart shows a decline in traffic to the topsort.com website. In August, traffic decreased to 1595, compared to 1661 in the previous month. The highest traffic in 2026 was recorded in March, reaching 2563 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Topsort's workforce includes employees across a wide range of tenure levels.
25% have been with the company for 1 to 2 years38% have been with the company for 3 to 4 years25% have been with the company for 5 to 7 years13% have been with the company for more than 11 years
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Topsort Corporate Information: FAQ
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