Boston Materials

Boston Materials is an advanced materials company based in Billerica, Massachusetts, founded in 2016. The company specializes in energy transfer solutions, focusing on thermal management, electrification, and lightweighting for high-growth industries. With a total funding of $29.7 million, including a recent $2 million debt round, Boston Materials is poised for growth. The company’s patented Z-axis Fiber™ technology enhances energy dissipation in composite materials, addressing inefficiencies found in traditional composites. Their automated roll-to-roll manufacturing process allows for large-scale production, with an annual capacity of 1,000,000 square meters and plans to increase output significantly by 2030. Boston Materials offers thermal interface materials, composite materials for vehicle manufacturing, and fuel cell bipolar plates, targeting industries such as semiconductors, electrified vehicles, and aerospace. The company operates an ISO9001-certified facility and emphasizes sustainability by using reclaimed carbon fiber in its products.

Mechanical Or Industrial Engineering Billerica, United States Founded 2016 ~21 employees

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Employees
21
0% in the 3 months to Jun 2025
Revenue / employee
$219K
Revenue ~$4.6M
Total funding
$50.4M
Last round Nov 2024
12-month attrition
12.9%
Tech: 18.3%
H1B filings, FY2026
1
Sponsors visas
Open jobs
1
Last 30 days

Headcount trend

Boston Materials went from 15 employees in Jul 2023 to 21 in Jun 2025. Jan to Jun 2025: 2 people joined, 0 left.

Headcount data through Jun 2025

Org structure

Headcount by department

Other10
Engineering5
Operations4
Marketing1
Sales1

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H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering1

Funding

  • Nov 2024 · $13.5M · AccelR8, Diamond Edge Ventures, Valo Ventures
  • Sep 2024 · $8.5M · Clean Energy Ventures, Bain Capital, LP.
  • Dec 2022 · Debt Financing · $2M · ACCELR8, Clean Energy Ventures
  • Nov 2022 · Series A · $12M · Good Growth Capital, GS Group, PTT Global Chemical
  • May 2021 · Series A · $8M · AccelR8, Valo Ventures, Clean Energy Ventures
  • May 2020 · $1.3M · National Science Foundation
  • May 2020 · Debt Financing · $565K
  • May 2020 · $750K · National Science Foundation, SABIC, Clean Energy Venture Group
  • Oct 2019 · Debt Financing · $1.5M · Clean Energy Venture Group.
  • Mar 2019 · Seed · $565K · Clean Energy Ventures
  • Nov 2018 · Seed · $1.8M · Clean Energy Venture Fund, SABIC, Clean Energy Venture Group

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Boston Materials FAQ

How many employees does Boston Materials have?

Boston Materials has about 21 employees, unchanged over the 3 months to Jun 2025.

Does Boston Materials sponsor H1B visas?

Yes. Boston Materials filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.

What is Boston Materials's revenue per employee?

Boston Materials makes about $219K in revenue per employee, based on $4.6M annual revenue and 21 employees.

How much funding has Boston Materials raised?

Boston Materials has raised $50.43M in total funding.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.