Top Series D companies
Late-stage venture: Series D companies often eyeing IPO or large strategic exits.
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Ranked by current headcount across Series D companies. Refreshed daily.
- 1Lianjia· China
- Series D
- 29.5k employees
- Founded 2001
- 2Preply· Brookline, Massachusetts, United States
- Series D
- 17.8k employees
- Founded 2012
- 3Align Technology· Tempe, Arizona, United States
- Series D
- 13.3k employees
- Founded 1997
- 4Just Eat Takeaway.com· Amsterdam, North Holland, Netherlands
- Series D
- 12.4k employees
- Founded 2001
- 5Essar· Mumbai, Maharashtra, India
- Series D
- 10.5k employees
- Founded 1969
Find engineers at top Series D companies
Series D companies are some of the most active hirers in the market. The list above ranks the largest Series D-stage companies by current headcount, drawn from public LinkedIn and Crunchbase records. Across 1,494matching companies, you’ll find senior engineers, founding designers, product leads, and operators worth tracking.
Companies at this stage tend to share a profile: clear product-market fit, fresh capital, and aggressive hiring plans. That makes the people already there valuable signals - early hires usually become the next hiring managers, founders, and angel investors.
Refolk lets you reach into this pool with plain English. Ask for “Series D fintech founders hiring senior engineers” or “design leads at Series D companies” and Refolk returns a fresh ranked shortlist with the sources behind each match.
How this list is built
Last refreshed: Tue, 23 Jun 2026 20:28:45 GMT
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