4basebio PLC (AIM: 4BB.L), a Cambridge, United Kingdom-based biotechnology company founded in 2008, develops and manufactures synthetic DNA and RNA products alongside non-viral nucleic acid delivery platforms to accelerate advanced therapy medicinal products including gene therapies, mRNA vaccines and therapeutics, viral vectors, genome editing tools, and DNA vaccines; its core offerings encompass GMP-grade opDNA synthetic DNA templates produced via a proprietary enzymatic cell-free process using TruePrime amplification technology, application-specific dsDNA and ssDNA constructs, custom pegRNA and mRNA synthesis services, RUO-grade off-the-shelf mRNA for reporter genes, and the Hermes targeted non-viral delivery platform featuring thermostable nanoparticles for efficient payload delivery surpassing conventional LNPs. The company serves biopharma, academic, and research clients globally with operations centered in the UK, emphasizing superior speed (up to 4x faster than plasmid DNA), purity, scalability, and safety by eliminating bacterial sequences. Recent developments include securing MHRA GMP manufacturing license in April 2025 enabling clinical-grade DNA supply, completing a £40 million strategic equity investment from Elevage Medical Technologies and M&G Investment Management in November 2024, achieving revenue growth to £1.2 million in H1 2025 (nearly 4x YoY) with opDNA powering a tier-1 pharma's FDA IND-approved mRNA vaccine and partnerships like HelixNano, introducing refreshed branding and website in July 2025, participating in a £1.2 million UK-Canada consortium for influenza vaccine development in July 2025, expanding its IP portfolio to 31 patent families, and scaling commercial teams to target late preclinical and IND-stage clients.