The funding from the Development Bank of Wales will treble production capacity and create 18 new jobs.
"The equity investment means that we can now continue to scale to meet demand with investment in additional production lines that will boost productivity as we expand our bottling and distribution offering to the growing UK and international markets."
The seafood restaurant group has raised capital, including a £1.3m investment from The FSE Group, to open new sites and expand its retail offerings.
"This investment is a testament to the strength and potential of Rockfish. We are excited to embark on this next chapter of growth, driven by our passion for seafood and our commitment to sustainability and excellence. We are grateful for the support from the South West Investment Fund and The FSE Group and look forward to bringing our unique seafood experience to even more people."
The funding round was led by JamJar Investments, with backing from Active Partners and Animal Health Angels.
"Marleybones is driven by our founding mission of making dogs healthier and happier. This investment will allow us to continue delivering on that promise and caring for more dogs than ever before. Having seen the benefits on my own dog Marley, and the customers we’re lucky enough to serve, we’re excited about what this investment unlocks for our community"
The seed round was led by Hambro Perks to support team expansion and commercial growth.
"Food companies are under increasing pressure from customers, investors and regulators to reduce their carbon emissions. This funding and recent Forbes 30 Under 30 recognition, give us the backing we need to expand our team, accelerate our growth, and ultimately give food companies everything they need to reduce emissions and achieve their net-zero targets. We’re delighted to welcome Hambro Perks and LOVE Ventures as investors, and Laura Noorani as a Board Director."