The funding was provided by the Welsh Government, UK Steel Enterprise and Finance Wales.
"One-way-keg technology is increasingly popular and a wealth of potential new export opportunities is opening up. EcoKeg has a strong market position and with the funding we’ve received from the Welsh Government, UK Steel Enterprise and Finance Wales we can implement our growth plan."
The oversubscribed round was led by Jonathan Milner and included a £1m contribution from Unicorn AIM VCT.
"We are building the most successful and efficient incremental distribution platform for companies to raise equity investment at all stages of their equity journey, from idea to IPO. To have such strong demand from both retail and institutional investors is the strongest vote of confidence we could have regarding our expansion plans within crowdfunding and equity capital markets. I am hugely excited about the times ahead of SyndicateRoom and its potential to become a billion dollar business."
Finance Wales backs Swansea electronics provider to scale operations and accelerate software development.
"Since moving to our new Kings Dock facility we’ve been able to further develop our services by utilising our increased capacity and developing our bespoke warehouse management and reporting software. With Finance Wales’ latest investment we’ll be able to accelerate this development, boosting our growth and allowing us to maintain our high quality service to both existing and new customers."