Pgiam | Istock | Getty ImagesA cottage industry of specialist firms has sprung up to help business owners claim the Employee Retention Credit (ERC), a governmental tax incentive intended for companies stressed by the pandemic. But businesses need to be careful not to get hoodwinked. There are strict eligibility requirements for the ERC — one way it can be claimed is for wages paid during pandemic periods when gross receipts declined — and many owners may not really understand the criteria. This means they could inadvertently gloss over the opportunity and lose out on credit of up to $26,000 per employee. Or, they could easily be duped by dodgy providers into improperly seeking money they aren’t entitled to — with a hefty fee attached, of course — and likely ramifications down the road.The problem is particularly pervasive given how easy it is to file for the credit and dupe small businesses in the process, said Donald N. Hoffman, a partner with Eisner Advisory Group. “Every b …