Top Series D companies

Late-stage venture: Series D companies often eyeing IPO or large strategic exits.

Ranked by current headcount across Series D companies. Refreshed daily.

1
Lianjia· China
- Series D
- 29.5k employees
- Founded 2001
2
Preply· Brookline, Massachusetts, United States
- Series D
- 16.2k employees
- Founded 2012
3
Align Technology· Tempe, Arizona, United States
- Series D
- 13.2k employees
- Founded 1997
4
Utkarsh Small Finance Bank· Pindra, Uttar Pradesh, India
- Series D
- 12.1k employees
- Founded 2009
5
Groupon· Chicago, Illinois, United States
- Series D
- 10.5k employees
- Founded 2008
6
AnyMind Group· Tokyo, Tokyo, Japan
- Series D
- 9.1k employees
- Founded 2016
7
Tinkoff· Russia
- Series D
- 8.5k employees
- Founded 2006
8
Astronomer· New York, New York, United States
- Series D
- 4.6k employees
- Founded 2018
9
Headway· New York, New York, United States
- Series D
- 4k employees
- Founded 2019
10
Rev· Austin, Texas, United States
- Series D
- 4k employees
- Founded 2010
11
Waymo· Mountain View, California, United States
- Series D
- 3.9k employees
- Founded 2009
12
Pocket FM· Bagalur, Karnataka, India
- Series D
- 3.8k employees
- Founded 2018
13
贝壳找房ke.com· China
- Series D
- 3.8k employees
- Founded 2018
14
Postman· San Francisco, California, United States
- Series D
- 3.4k employees
- Founded 2014
15
FSS· Thiruporur, Tamil Nadu, India
- Series D
- 3.1k employees
- Founded 1991
16
BIGO· Singapore, Singapore
- Series D
- 3.1k employees
- Founded 2014
17
Ninjacart· Bengaluru, Karnataka, India
- Series D
- 3.1k employees
- Founded 2015
18
Amphenol Communications Solutions· Wallingford, Connecticut, United States
- Series D
- 3k employees
- Founded 1932
19
Starling· London, England, United Kingdom
- Series D
- 3k employees
- Founded 2014
20
Grow Therapy· New York, New York, United States
- Series D
- 2.8k employees
- Founded 2020
21
OneTrust· Atlanta, Georgia, United States
- Series D
- 2.5k employees
- Founded 2016
22
Instawork· San Francisco, California, United States
- Series D
- 2.3k employees
- Founded 2016
23
Kredivo Group
- Series D
- 2.3k employees
- Founded 2015
24
Checkout.com· Greater London, England, United Kingdom
- Series D
- 2.3k employees
- Founded 2012
25
Zeta· San Francisco, California, United States
- Series D
- 2.2k employees
- Founded 2015

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 1,429matching 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

Refolk pulled the largest companies whose latest disclosed funding round is Series D from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Sat, 09 May 2026 09:45:01 GMT

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