The number of Florida counties reporting suspicious voter registration forms connected to Strategic Allied Consulting, the firm hired by the state Republican Party to sign up new voters, has grown to 10, officials said, as local election supervisors continue to search their forms for questionable signatures, addresses or other identifiers.

After reports of suspicious formssurfaced in Florida, the company — owned by Nathan Sproul, who has been involved in voter registration efforts since at least the 2004 presidential election — was fired last week by the state Republican Party and the Republican National Committee. The party had hired it to conduct drives in Colorado, Nevada, North Carolina and Virginia.

In Colorado, a young woman employed by Strategic Allied was shown on a video outside a store in Colorado Springs recently telling a potential voter that she wanted to register only Republicans and that she worked for the county clerk’s office. The woman was fired, said Ryan Call, chairman of the Colorado Republican Party.