The phrase "additional firm" is correct and usable in written English.
It can be used when referring to an extra company or organization in a specific context, such as business discussions or legal documents.
Example: "We have decided to partner with an additional firm to enhance our service offerings."
Alternatives: "extra company" or "supplementary business".
If this type of environment continues, we may see additional firm failures.
In column (3) we include an additional firm characteristic, the capital labor ratio, in order to control for substitution between production inputs.
As a robustness check, we alternatively define excess cash (Excess CashALT) with the predicted values from the fixed effect model (2) in Table 3 that includes additional firm characteristic variables.
These variables can be viewed either as proxy measures for the degree of external institutional pressures faced by the firm or as additional firm capacity because active membership provides the firm with access to resources, know-how, and potentially experienced manpower.
The chromosomal translocation t(11 22)(q24 q12) is an additional firm diagnostic criterion.
In recent weeks, Putnam has been one of several additional firms under scrutiny.
Since then, more than 10 additional firms have joined the company.
Additional firms are being enlisted in the agency's loan sale effort, David Barr, an F.D.I.C. spokesman, said in an e-mail message.
But none of the payments were disclosed in company documents, so investors did not know that the additional firms issuing upbeat research had been paid to do so.
"Many committee members noted that, based on the currently available information, additional firming of policy could well be needed at some point," the minutes said, "though a number also expressed the opinion that less tightening probably would be required than they had thought at the time of the May meeting".
Based on this information, a nationally representative sample of firms was then selected for interviews to collect additional firm-level information.
