The Round
Adelaide email startup Nitrosend closed a $700k seed round led by Eastend Ventures Fund 1, with Archangel Ventures and Aussie Angels participating. The company was founded by brothers Edward and George Hartley, who previously built SmartrMail, scaled it to 6 billion emails sent, and sold to Relay Commerce in 2022.
What They Built
Nitrosend is an AI-native email platform that works directly from Claude, ChatGPT, or its own interface. The product handles campaign creation, design, sending, and reporting through natural language prompts instead of drag-and-drop editors. It targets SMBs that need marketing automation without dedicated headcount or agency fees.
The founding team includes Kam Low, former CTO at SmartrMail, making this a second-time team with 10 years of email infrastructure experience between them.
Early Traction
The platform signed 190 users since launching in April 2025, including early-stage startups Elita Genetics and Fast Lane. No revenue figures or customer retention data disclosed.
Market Context
Nitrosend enters a crowded AI email automation space competing against established platforms like Brevo, ReachInbox, and legacy ESPs adding AI features. The B2B sales angle: AI email tools are shifting from enterprise marketing teams to individual SDRs and AEs running their own outreach workflows. Most cold email automation tools for sales teams run $50 to $200 per user monthly at scale.
For sales teams evaluating AI email tools, key questions: deliverability rates, CRM integration depth, and whether the AI actually improves reply rates or just speeds up template generation. The Hartley brothers know email infrastructure, but the platform is founder-led and early-stage with no disclosed sales org, customer count by segment, or churn metrics yet.
Eastend founding partner Josh Garratt backed the round citing founder experience in a market being reshaped by AI. Worth noting: Adelaide has limited venture-backed sales tech precedent compared to Sydney or Melbourne. The $700k seed suggests 12 to 18 months of runway depending on burn rate and hiring plans.
What This Means
If you are evaluating AI email tools as an SDR or sales team, Nitrosend is a new option with experienced builders behind it. If you are in ANZ email marketing or martech sales, track this as a local competitor entering a space dominated by international platforms. The real test: whether AI-generated campaigns actually move pipeline metrics or just make it easier to send emails that still get ignored.