CodeWall Raises $4M Pre-seed

CodeWall, based in London, is a cybersecurity startup that develops autonomous attack agents to provide continuous, controlled adversarial testing for enterprise security. The company has officially emerged from stealth mode, announcing the successful closure of a $4 million pre-seed funding round.

Investors

The funding round was led by Osney Capital, with participation from InReach Ventures, Antler, and several angel investors.

CodeWall Use of Funds

CodeWall plans to use the new capital to expand the operational capabilities of its autonomous attack agents across the enterprise. The funds will also support the further development of its platform for sustained testing, verification, and remediation workflows, as well as the expansion of its offensive security, engineering, customer success, and go-to-market teams in London.

About CodeWall

Founded in 2026, CodeWall is led by founder and CEO Paul Price. The company uses autonomous AI agents to simulate external attackers without requiring credentials, source code, or internal access. Its platform enables organizations to discover vulnerabilities, trace potential attack paths across connected systems, and validate security weaknesses through evidence-based testing.

Funding Details

Company Website: https://codewall.ai

Company: CodeWall
Raised: $4M
Round: Pre-seed
Funding Date: October 14, 2026
Lead Investor: Osney Capital
Additional Investors: InReach Ventures, Antler, angel investors
Company Website: https://codewall.ai
Software Category: Cybersecurity
Source: https://codewall.ai/news/codewall-emerges-from-stealth-with-4m