Depending on your organisation type and shape, there are grants available to start or to expand.
Local Enterprise Office: This is a good place to start for all enterprises across Ireland however, they are focused on getting your business right from the beginning. Go in for advice and focus on your revenue generation and most offices will do their best to help you set up. Some of the grants available come through this office. https://www.localenterprise.ie/
Feasibility Grants: These grants are available to people who want to establish market trends for their idea. Up to 50% of the costs of this research are covered by these grants. https://www.localenterprise.ie/Discover-Business-Supports/Financial-Supports/Feasibility-Grant/
Priming Grants: Available from the Local Enterprise Offices across the country. https://www.localenterprise.ie/Discover-Business-Supports/Financial-Supports/Priming-Grant/
Expansion Grants: If you are in business for more than 18months, these are the grants that might best suit you to take the organisation to the next level. https://www.localenterprise.ie/Discover-Business-Supports/Financial-Supports/Business-Expansion-Grant/