First Southern Mortgage | 210 followers on LinkedIn. Now a part of Bellwether Enterprise (BWE) | As of February 2024, First Southern has been acquired by Bellwether Enterprise (BWE). Founded in 1978, First Southern is an independently owned full service commercial real estate capital firm. Our services include permanent debt financing, bridge debt, construction financing, forward funding commitments, joint-venture equity programs, preferred equity, mezzanine debt, tax-free financing, and institutional loan servicing.