About Primer
Primer, an accelerator and incubator program founded in 2010, is based in Seoul, South Korea. With a presence in 3 countries, it has supported around 24 startups in sectors like Enterprise Applications, Consumer. Most notable companies in
its portfolio include WashSwat, ChannelMeter and Build Block. The program is backed by a team of 11 people who primarily support Seed startups based in South Korea. Its latest investment was a Undisclosed Seed round in Memory on Apr 28, 2026 along with TheVentures.
Key Metrics
Founded Year
2010
Location
Seoul, South Korea
Portfolio Companies
Sectors of Investment
Stages of Investment
Seed, Series A & 1 more
Locations of Investment
Primer's List of Top Investments
Primer has a portfolio of 24 companies. Their most notable investments are in Rarajob and Dogmate.Their portfolio spans across South Korea, United States and Japan. They have invested in Enterprise Applications, Consumer, FinTech and 11 other sectors, across stages such as Seed, Series A and 1 more. Here is the list of top investments by Primer:
1. WashSwat
Provider of on-demand laundry and garment care services. This service includes dry cleaning, wet cleaning, and laundry services for clothing, bedding, shoes, rugs, and leather/fur items. Individual items are cleaned according to care labels, and various stain removal methods are used. The company also offers alterations, such as button repair and hemming. A smart factory system utilizes advanced equipment and processes for efficient cleaning. Pick-up and delivery are provided, typically overnight. Pricing is transparent and standardized.
Key facts about WashSwat
- Founded Year: 2015
- Location: Seoul (South Korea)
- Stage: Series C
- Total Funding till date: $38.7M
- Employee Count: 27 as on Apr 30, 2026
- Investors: AddVenture, We Ventures and 10 Others
- Latest Funding Round: Series C, Nov 28, 2024, $*****
- Highlight: Editors' Pick
2. ChannelMeter
Provider of creator management and payment platform for businesses. The platform streamlines creator discovery, onboarding, management, and payments. It offers tools for contract management, data analytics, sales support, and automated payouts. The platform supports creator monetization and marketing efforts. It facilitates creator onboarding, audience verification, and payment processing.
Key facts about ChannelMeter
- Founded Year: 2009
- Location: San Francisco (United States)
- Stage: Seed
- Total Funding till date: $4M
- Employee Count: 7 as on Apr 30, 2026
- Investors: Turner, Strong Ventures and 7 Others
- Latest Funding Round: Seed, Jul 06, 2020, $*****
- Highlight: Editors' Pick

3. Build Block
Online real estate investment platform. It offers a platform for strategy building, property search, purchase and sales. It allows reinvesting the profits gained from investment to gain the tax benefit. It selects, monitors, and sell suitable properties that meet the preferences of customers.
Key facts about Build Block
- Founded Year: 2018
- Location: San Jose (United States)
- Stage: Series A
- Employee Count: 44 as on Apr 30, 2026
- Investors: Hana Financial Group, Crit Ventures and 9 Others
- Latest Funding Round: Series A, Aug 10, 2022, $*****
4. Jobis
Jobis provides an accounting solution and services to SMBs in South Korea. The product offers features such as tax management, invoice management, budgeting etc. As of July 2017, Jobis claims to have more than 250 corporate customers.
Key facts about Jobis
- Founded Year: 2015
- Location: Seoul (South Korea)
- Stage: Series A
- Total Funding till date: $2.11M
- Investors: Atinum Investment, We Ventures and 12 Others
- Latest Funding Round: Series A, Apr 05, 2017, $*****
5. Dogmate
Dogmate is an online marketplace for availing pet sitters. Users can register on the platform, browse through the profiles of available pet sitters, compare the profiles, and book the services of the suitable ones. The service providers can register on the platform and get hired by the users. Users receive information & contact details of pet sitters after doing the payment over the platform.
Key facts about Dogmate
- Founded Year: 2015
- Location: Seoul (South Korea)
- Stage: Seed
- Total Funding till date: $700K
- Employee Count: 1 as on Apr 30, 2026
- Investors: Strong Ventures, D.CAMP and 2 Others
- Latest Funding Round: Seed, Dec 08, 2017, $*****
Primer's Year-on-Year Investment Trends
Primer has invested in 24 companies over the last 13 years, with an average of 2 new investments annually in the last 10 years. As of Apr 2026, it has made 3 investments in this year. Its most recent first time investment was in Memory.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 3 | 0 | 3 |
2025 | 0 | 0 | 0 |
2024 | 3 | 0 | 3 |
2023 | 1 | 0 | 1 |
2022 | 1 | 0 | 1 |
2021 | 1 | 0 | 1 |
2020 | 3 | 0 | 3 |
2019 | 0 | 0 | 0 |
2018 | 1 | 0 | 1 |
2017 | 1 | 0 | 1 |
Primer's Investments by Stage
Primer has made 15 investments in Seed stage with an average round size of $1.02M, 3 investments in Series A stage with an average round size of $2.21M and 1 investment in Series B stage with an average round size of $8.34M.Stage of entry | No. of Investments |
|---|---|
Seed | 15 |
Series A | 3 |
Series B | 1 |
Note: We have considered here, only first round of investments
Primer's Investments by Sector
Primer has a diverse portfolio, with companies operating in the Consumer, Enterprise Applications, Gig Economy, FinTech and Food and Agriculture Tech. Notably, it has invested in 21 Tech companies, 14 Consumer (B2C) companies, 10 Enterprise (B2B) companies and at least 10 companies focusing on Software.Sector | No. of Investments |
|---|---|
Consumer | 10 |
Enterprise Applications | 7 |
Gig Economy | 3 |
FinTech | 2 |
Food and Agriculture Tech | 2 |
Others | 9 |
Note: We have considered here, only first round of investments
Primer's Investments by Geography
Primer has made most investments in South Korea (15), followed by United States where it has made 3 investments.Country | No. of Investments |
|---|---|
South Korea | 15 |
United States | 3 |
Japan | 1 |
Note: We have considered here, only first round of investments
Primer's recent investments
Primer has made 3 investments in 2026 so far. Memory and oases are the latest among them.Here are the most recent investments by Primer:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Apr 28, 2026 | South Korea | Seed | 1789 | ||
Apr 15, 2026 | South Korea | Seed | 3016 | - | |
Mar 13, 2026 | United States | Seed | 1069 | - | |
Dec 04, 2024 | South Korea | Seed | 4747 | - | |
Mar 19, 2024 | South Korea | Seed | 3045 | - |
Team profile of Primer
Primer has a team of 11 members including 5 Partners, 2 Venture Partners and 1 Principal located in South Korea and United States. Primer's team does not sit on the board of any company as of now.Here is a list of top team members in Primer:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | San Francisco | - | ||
Partner | San Jose | - | ||
Partner | - | - | - | |
Partner | - | - | - | |
Partner | Seoul | - | - | |
Venture Partner | South Korea | - | - | |
Venture Partner | South Korea | - | - | |
Principal | South Korea | - | - |
Co-investors of Primer
Over the past 13 years, 45 investors have co-invested in Primer's portfolio companies. This includes only funds.
- Invested before Primer: Shinhan Financial Group, Dunamu & Partners and 2 others have invested in rounds before Primer. There is 1 company where Shinhan Financial Group has invested before Primer and 1 company where Dunamu & Partners has invested before Primer.
- Top Co-investors of Primer: 23 investors entered a company along with Primer. These include investors like Strong Ventures (5 companies).
- Invested after Primer: A total of 18 investors have invested in Primer's portfolio after their investments. Top Investors include UTC Investment (1 company) and KB Securities Vietnam (1 company).
Recent News related to Primer
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Cellon Secures Seed Funding from Primer and The Ventures for AI Memory Layer TechnologyVenture Square•Apr 28, 2026•The Ventures, Primer, , Primer and 1 other
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Local Fresh Food Lucky Box ‘Lucky Meal’ Attracts Seed Investment from PrimerWowtale•Dec 04, 2024•Luckymeal, Primer
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Upstage Raises $72M in Series B FundingFinSMEs•Apr 16, 2024•Upstage, Korea Development Bank Europe, Shinhan Venture Investment, Hana Ventures and 16 others
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Y Combinator in $2.7m funding for Korea’s ‘Uber for cleaners’Tech in Asia•Nov 16, 2016•, Miso, Y Combinator, Strong Ventures and 5 others