United Solar valuation, funding and investors
United Solar works in polysilicon manufacturing, based in Oman. Founded in 2023, it has about 261 employees.
- Last round
- Growth · $1.60B · Jun 2026
- Valuation at last round
- $5.70B · implied
- Headcount
- 261 · up
- Grade
- B
- Founded
- 2023
United Solar valuation today
VCMC values United Solar at $6.0B today, with a range of $4.1B to $9.1B and a grade of B. The valuation starts from its last funding round, a growth round in Jun 2026.
Valuation by date (50 rows)
Each point is what the model would have shown on that date, using only what was known then; before its first round, a company is valued as a startup because it later raised.
| Date | Valuation | Range | Predicted in 1 yr | Phase | Headcount | Trend | Grade | Winding-down probability |
|---|---|---|---|---|---|---|---|---|
| 1 Jan 2023 | $11.4M | $4.14M – $31.3M | $12.4M (+9%) | before first round | – | unknown | D | 0% |
| 1 Feb 2023 | $11.5M | $4.17M – $31.5M | $12.5M (+9%) | before first round | – | unknown | D | 0% |
| 1 Mar 2023 | $11.5M | $4.20M – $31.7M | $12.6M (+9%) | before first round | – | unknown | D | 0% |
| 1 Apr 2023 | $11.6M | $4.23M – $31.9M | $12.7M (+9%) | before first round | – | unknown | D | 0% |
| 1 May 2023 | $11.7M | $4.26M – $32.2M | $12.8M (+9%) | before first round | – | unknown | D | 0% |
| 1 Jun 2023 | $11.8M | $4.30M – $32.4M | $12.9M (+9%) | before first round | – | unknown | D | 0% |
| 1 Jul 2023 | $11.9M | $4.33M – $32.7M | $13.0M (+9%) | before first round | – | unknown | D | 0% |
| 1 Aug 2023 | $12.0M | $4.36M – $32.9M | $13.0M (+8%) | before first round | – | unknown | D | 0% |
| 1 Sep 2023 | $12.1M | $4.39M – $33.1M | $13.0M (+8%) | before first round | – | unknown | D | 0% |
| 1 Oct 2023 | $12.2M | $4.43M – $33.4M | $13.0M (+7%) | before first round | – | unknown | D | 0% |
| 1 Nov 2023 | $12.2M | $4.46M – $33.6M | $13.0M (+6%) | before first round | – | unknown | D | 0% |
| 1 Dec 2023 | $12.3M | $4.49M – $33.9M | $13.0M (+5%) | before first round | – | unknown | D | 0% |
| 1 Jan 2024 | $12.4M | $4.52M – $34.1M | $13.0M (+5%) | before first round | – | unknown | D | 0% |
| 1 Feb 2024 | $12.5M | $4.56M – $34.4M | $13.0M (+4%) | before first round | – | unknown | D | 0% |
| 1 Mar 2024 | $12.6M | $4.59M – $34.6M | $13.0M (+3%) | before first round | – | unknown | D | 0% |
| 1 Apr 2024 | $12.7M | $4.63M – $34.9M | $13.0M (+2%) | before first round | – | unknown | D | 0% |
| 1 May 2024 | $12.8M | $4.66M – $35.2M | $13.0M (+1%) | before first round | – | unknown | D | 0% |
| 1 Jun 2024 | $12.9M | $4.69M – $35.4M | $13.0M (+1%) | before first round | – | unknown | D | 0% |
| 1 Jul 2024 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Aug 2024 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Sep 2024 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Oct 2024 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Nov 2024 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Dec 2024 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Jan 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Feb 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Mar 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Apr 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 May 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Jun 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Jul 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Aug 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Sep 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Oct 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Nov 2025 | $13.0M | $4.73M – $35.7M | $13.0M (0%) | before first round | – | unknown | D | 0% |
| 1 Dec 2025 | $19.5M | $7.08M – $53.5M | $19.5M (0%) | before first round | 197 | unknown | D | 0% |
| 23 Dec 2025 | $176M | $115M – $401M | $263M (+50%) | after a round | 197 | unknown | C | 0% |
| 1 Jan 2026 | $178M | $115M – $401M | $263M (+48%) | after a round | 204 | flat | C | 0% |
| 21 Jan 2026 | $1.5B | $1.0B – $2.3B | $1.6B (+10%) | after a round | 204 | flat | B | 0% |
| 1 Feb 2026 | $1.5B | $1.0B – $2.3B | $1.6B (+10%) | after a round | 204 | flat | B | 0% |
| 1 Mar 2026 | $1.5B | $1.0B – $2.3B | $1.6B (+9%) | after a round | 204 | flat | B | 0% |
| 1 Apr 2026 | $1.5B | $1.0B – $2.3B | $1.6B (+8%) | after a round | 204 | flat | B | 0% |
| 1 May 2026 | $1.5B | $1.1B – $2.4B | $1.7B (+10%) | after a round | 237 | up | B | 0% |
| 1 Jun 2026 | $1.6B | $1.1B – $2.4B | $1.7B (+9%) | after a round | 237 | up | B | 0% |
| 11 Jun 2026 | $5.7B | $4.0B – $8.9B | $6.3B (+10%) | after a round | 237 | up | B | 0% |
| 1 Jul 2026 | $5.7B | $4.0B – $8.9B | $6.3B (+9%) | after a round | 237 | up | B | 0% |
| 1 Aug 2026 | $5.8B | $4.0B – $8.9B | $6.3B (+9%) | after a round | 237 | up | B | 0% |
| 1 Sep 2026 | $5.9B | $4.1B – $9.1B | $6.4B (+9%) | after a round | 258 | up | B | 0% |
| 1 Oct 2026 | $5.9B | $4.1B – $9.1B | $6.4B (+8%) | after a round | 261 | up | B | 0% |
| 24 Oct 2026 | $6.0B | $4.1B – $9.1B | $6.4B (+8%) | after a round | 261 | up | B | 0% |
Key facts about United Solar
- Founded
- 2023
- Headquarters
- Oman
- Employees
- about 261 +32% in a year
- Total raised
- $2.53B
- Funding rounds
- 3
- Last round
- Growth Equity Jun 2026
United Solar was founded in 2023 by Sam Zhang.
United Solar funding history
United Solar has 3 funding rounds on record, from Dec 2025 to Jun 2026, $2.53B in total. None disclosed a valuation.
Growth Equity 10 Jun 2026
With International Finance Corporation, Oman Investment Authority, Global Investors.
Sources: unitedsolarholding.com, unitedsolarholding.com
$1.60B
Growth Equity 20 Jan 2026
Led by Sohar International Bank; with International Finance Corporation, partner banks, local commercial banks.
Sources: unitedsolarholding.com, solarquarter.com
$900M
Series B 22 Dec 2025
Led by Waaree Solar Americas Inc..
Sources: unitedsolarholding.com, unitedsolarholding.com, waaree.com and 1 more
$30M
United Solar investors
7 investors have backed United Solar; Sohar International Bank and Waaree Solar Americas Inc. led at least one round.
- Sohar International Bank lead
- Waaree Solar Americas Inc. lead
- International Finance Corporation 2 rounds
- Global Investors
- local commercial banks
- Oman Investment Authority
- partner banks
What United Solar does
United Solar works in chemicals, with 14 recorded offerings and customers in renewable energy and solar industry.
United Solar Polysilicon (FZC) SPC is an Omani company engaged in the production of high-purity polysilicon for the solar industry. The company operates a manufacturing facility in Oman, supplying polysilicon to the global solar market, with a particular focus on the U.S. market for product certification and research and development. United Solar also participates in renewable energy project development through strategic partnerships and maintains a supply chain and logistics network to support its international operations.
Description from Veridion's company data.
Products and services
- Polysilicon Manufacturing
- Photovoltaic Grade Monocrystalline Material Production
- Solar Industry Product Distribution
- Solar Industry Product Certification Services
- Solar Industry Research and Development
- Renewable Energy Project Development
- Clean Energy Technology Innovation
- Sustainability Solutions Implementation
- AI-Driven Manufacturing Automation
- Zero-Liquid-Discharge System Integration
- Solar Module Production Support Services
- Global Solar Industry Consulting
- Solar Industry Technical Advisory Services
- Solar Industry Market Expansion Services
Markets
- Renewable Energy
- Solar Industry
Technology
- AI-Driven Automation
- Zero-Liquid-Discharge System
Business model
- Business-to-Business
- Manufacturing
- Enterprise
Industry codes (NAICS)
- 325180 Other Basic Inorganic Chemical Manufacturing 75% match
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 25% match
Questions about United Solar
What is United Solar worth?
Valuation $6.0B (range $4.1B to $9.1B), as of 24 Oct 2026.
Has United Solar raised money?
United Solar has 3 funding rounds on record, from Dec 2025 to Jun 2026, $2.53B in total. None disclosed a valuation.
Who has invested in United Solar?
Sohar International Bank, Waaree Solar Americas Inc., International Finance Corporation, Global Investors, local commercial banks and Oman Investment Authority, and 1 more. Lead investors include Sohar International Bank and Waaree Solar Americas Inc..
How many people work at United Solar?
About 261, up 32% over the last year. Headcount grew from 197 in Dec 2025 to 261 in Sep 2026.
What does United Solar do?
United Solar works in chemicals, with 14 recorded offerings and customers in renewable energy and solar industry. Its main offerings are polysilicon manufacturing, photovoltaic grade monocrystalline material production and solar industry product distribution.
When was United Solar founded, and where is it based?
United Solar was founded in 2023 and is based in Oman. It has about 261 employees, up 32% over the last year.