Ampersand (&) Used Only in Firm Names That Prefer It
Abbreviations
Rulebase Summary
The ampersand (&) is an abbreviation for the word 'and.' Use it only in firm or company names that themselves prefer the ampersand. In all other contexts — even when the speaker says 'and' between names — write out the word 'and.'
Morson's Rule 260 · p.148
Examples
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A. He worked for Ralston, Reston and Rustin for eight years.
✓
A. He worked for Ralston, Reston & Rustin for eight years.
Firm prefers the ampersand — use it.
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A. Our company hired Toobin, Toobin & Toobad in 1996.
✓
A. Our company hired Toobin, Toobin and Toobad in 1996.
Firm uses 'and' in its name — spell it out.
Transcript Notes
Research the firm's actual stylization. Some companies use the ampersand as part of their formal name; others spell out 'and.' Follow what the firm itself uses.
Style Guide References (1)
Morson's
Rule 260
Page 148