Moving into scale up phase will require a full evaluation of the funding requirements.
You should have tested the viability and cash flow – see Is the Scale up Viable
You should have a realistic view of the potential scale and speed of the scale up based on the early success of the business.
There are a wide range of funding options to consider.
Organic growth funded by internal funds (profits and free cash flow)
Grants for R&D etc
Grants to support social enterprises
Bank loans and overdrafts
Invoice discounting and factoring
Crowdfunding
Equity finance from angels and venture capital