Perimeter Acquisition Corp. I Secures $241.5 Million in Upsized IPO with White & Case Advising
Deal News | May 15, 2025 | White & Case LLP

Global law firm White & Case LLP provided advisory services to the sole book-running manager during Perimeter Acquisition Corp. I's upsized initial public offering valued at US$241.5 million, which included the exercise of the underwriter's over-allotment option. Perimeter Acquisition Corp. I is a special purpose acquisition company (SPAC) focusing on the defense, national security, and technology sectors for potential business combinations. White & Case's Capital Markets practice, recognized for their SPAC capabilities, has an impressive track record, involving participation in over 175 SPAC IPOs totaling more than US$55 billion and more than 80 de-SPAC combinations valued at over US$125 billion. The advisory team consisted of Capital Markets partners Daniel Nussen and Joel Rubinstein, among others.
Sectors
- Financial Services
- Legal Services
- Defence and Technology
Geography
- United States – The transaction and the advisory services rendered by White & Case LLP primarily involve U.S.-based legal professionals and exchanges.
Industry
- Financial Services – This sector encompasses investment banking and capital markets, which relate directly to the services provided by White & Case LLP in facilitating the IPO.
- Legal Services – The professional advisory role of White & Case LLP falls within the legal services industry, specializing in capital markets and SPAC services.
- Defence and Technology – The article mentions that Perimeter Acquisition Corp. I is targeting these sectors for future business combinations, aligning with the company's strategic objectives.
Financials
- US$241.5 million – The total value of Perimeter Acquisition Corp. I's upsized initial public offering.
Participants
Name | Role | Type | Description |
---|---|---|---|
Perimeter Acquisition Corp. I | Target Company | Company | A special purpose acquisition company focusing on investment opportunities within the defense, national security, and technology sectors. |
White & Case LLP | Legal Advisor | Company | An international law firm providing legal advisory services for the IPO, known for its expertise in SPAC transactions. |
Daniel Nussen | Capital Markets Partner | Person | Partner at White & Case LLP leading the Capital Markets team on this transaction. |
Joel Rubinstein | Capital Markets Partner | Person | New York-based partner at White & Case LLP who led the advisory activities for this offering. |
Brandon Wong | Associate | Person | Associate at White & Case LLP assisting in the transaction from the Houston office. |
Scott Fryman | Tax Partner | Person | New York-based Tax partner at White & Case LLP involved in the transaction. |
Nir Fishbien | Associate | Person | Associate at White & Case LLP involved in the IPO from the New York office. |