Participated · Seed · Jul 2026

StrongestLayer builds a reasoning-based email security platform that analyzes message intent and business context rather than relying on signatures, reputation, or historical patterns. The company says its system constructs arguments for legitimacy and maliciousness and weighs evidence to reach verdicts, enabling detection of attacks that look legitimate on the surface. StrongestLayer launched in 2024 and is based in San Francisco. Within months of release it won multiple competitive evaluations against legacy secure email gateways and newer AI-claimed platforms and reported production deployments grew more than eightfold since its initial funding. The company has published threat research, including a taxonomy of 44 email attack subtypes, and has made its detection framework available to the security community. Financially, StrongestLayer has raised $9.3M in total seed funding and is using the latest tranche to expand GTM and its platform ahead of a planned Series A.

Participated · Seed · May 2026

Byron offers an AI agent platform designed to automate manual workflows in business tax preparation for certified public accountant (CPA) firms. It integrates with systems CPAs already use and can automatically roll forward prior-year returns and work papers into a current-year Excel workbook. Each stage of the tax-prep pipeline is handled by a dedicated AI agent trained for that specific task. The company was founded by Blaze O’Byrne and is based in San Francisco. Its team includes AI and accounting experts from Amazon’s artificial general intelligence group and Deloitte. Byron recently raised a USD6.5 million (reported as $9.1 million) seed round led by Square Peg with participation from Sorenson Capital, Liquid2 Ventures and Correlation Ventures.

Participated · Equity · May 2026

Boost Security builds an AI-native platform to secure the software development lifecycle by unifying developer endpoint protection, software supply chain security, and AI-native application security posture management. The platform defends AI workspaces, blocks supply chain threats before ingestion, and auto-remediates vulnerable code to enable faster release cycles. The company recently acquired SecureIQx for its SCA reachability engine and Korbit.ai for AI-based pull request review capabilities, expanding reachability analysis and AI-native SAST in its stack. Boost raised $4 million in additional funding from White Star Capital, Amiral Ventures, Accelia Capital, and Sorensen Capital to support continued product development. The company is headquartered in Montreal and is positioning itself as a leader in securing code produced and reviewed by AI at machine speed.

Participated · Equity · Mar 2026

Multiply provides a platform that connects to a company's CRM and sales call recordings to extract customer language and intent, then applies AI agents to automate creative design, keyword tuning, and A/B testing while combining AI outputs with human strategic oversight. The company serves B2B enterprises and lists early customers including Vanta and Listen Labs. Multiply is led by CEO Matt Jayson and CTO Ashish Warty and is based in San Francisco, CA. It positions itself as a hybrid AI media agency and aims to expand into a full omni-channel buyer role. Product development plans include building AI-driven budget allocation tools. The article did not report revenue, user counts, or other operating metrics.

Led · Equity · Feb 2026

Elly integrates sourcing, interviewing, and applicant tracking into a single AI-driven workflow, automatically capturing data and surfacing next-step recommendations so recruiters spend less time on manual updates. The platform interprets unstructured interview conversations in real time, turning them into structured, searchable insights that compound with every candidate interaction. Early customers in technology, construction, manufacturing, healthcare, and hospitality report saving up to 1 hour 45 minutes per candidate on write-ups and as much as 10 hours per week by replacing live screening calls with targeted interview reviews. By reducing tool sprawl and administrative burden, Elly aims to improve hiring speed and decision quality at scale. Built within Atomic’s venture studio, the company is leveraging its fresh capital to advance AI capabilities, expand sales and marketing, and accelerate customer growth. The press release was issued from New York, suggesting the company’s operational base. No revenue or user counts were disclosed.