Alsym Energy
Agent45Agent Readiness: 45/100. Above median. Measured by StartupHub.ai. Median 41.Trust88Data Trust: 88/100. Top 25%. Measured by StartupHub.ai. Median 61.Develops non-flammable, high-performance, low-cost sodium-ion batteries for energy storage.
About
Alsym Energy develops non-flammable sodium-ion batteries, the Na-Series, designed for safer and more cost-effective energy storage. Their proprietary technology enables faster development and offers high performance, reliability, and a secure supply chain for industries like data centers, defense, and utilities. Alsym's batteries address the limitations of lithium-ion technology by eliminating fire risks and reducing system costs.
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Key facts
- Website
- alsym.com
- Headquarters
- Palo Alto, United States
- Founded
- 2015
- Employees
- 75
- Total funding
- $155M (Series A)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 18 Apr 2026 | Series A | $1M | |
| 22 Feb 2024 | Series C | $78M | General Catalyst |
| 1 May 2023 | Series B | $40M | Breakthrough Energy Ventures |
| 14 Sept 2021 | Series B | $31M | |
| 1 May 2021 | Seed | $5M | Breakthrough Energy Ventures |
Tech stack
Detected on alsym.com, last scanned 31 Oct 2026. Run your own scan
- Frontend
- jQuery
- Analytics
- Google Analytics 4
- SEO
- Yoast SEO
- Support
- HubSpot
- CMS / Builders
- WordPress
- CDN
- Cloudflare
- Email provider
- Proofpoint
- Cookie consent
- Cookiebot
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Frequently asked
Is Alsym Energy trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Alsym Energy is 88 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Alsym Energy raised?
Alsym Energy has raised a total of $155M in funding. The most recent round on record is Series A.
How many employees does Alsym Energy have?
Alsym Energy has approximately 75 people on record.
SEC filings, insider activity, nonprofit links and pay benchmarks for Alsym Energy:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules
