Ordinary Latin alphabet letters, without diacritics:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Þ
Ð
Æ
Additional ligatures:
Œ
ß
Letters bearing diacritics:
(Those used only in Esperanto are shown in Italics)
Á
Ć
É
Í
Ĺ
Ń
Ó
Ŕ
Ś
Ú
Ẃ
Ý
Ź
Ǽ
À
È
Ì
Ò
Ù
Ẁ
Ỳ
Â
Ê
Î
Ô
Û
Ŵ
Ŷ
Ĉ
Ĝ
Ĥ
Ĵ
Ŝ
Ä
Ë
Ï
Ö
Ü
Ẅ
Ÿ
Ő
Ű
Ă
Č
Ď
Ĕ
Ğ
Ň
Ř
Š
Ť
Ž
Ç
Ģ
Ķ
Ļ
Ņ
Ŗ
Ş
Ţ
Ā
Ē
Ī
Ō
Ū
Ą
Ę
Į
Ų
Å
Ů
Ø
Ċ
Ė
Ġ
İ
Ż
Ã
Ñ
Õ
Ħ
Ł
Ľ
Arabic Numerals:
0
1
2
3
4
5
6
7
8
9
Punctuation and other marks:
‘
(
)
:
,
–
!
.
?
“
\
;
/
&
+
*
=
#
%
@
£
$
₹
¥
€
Marks for consideration:
[
]
<
>
°
The 2014 Regulations
The Tables of characters acceptable in company names, from The Company, Limited Liability Partnership and Business (Names and Trading Disclosures) Regulations 2015, are:
Table 1
Characters, signs and symbols
(Organised by base letter; the Regulations list the characters in the same order but in a seamless 5 x 26 table.)
A
À
Á
Â
Ã
Ä
Å
Ā
Ă
Ą
Ấ
Æ
Ǽ
B
C
Ç
Ć
Ĉ
Ċ
Č
D
Þ
Ď
Ð
E
È
É
Ê
Ë
Ē
Ĕ
Ė
Ę
Ě
F
G
Ĝ
Ğ
Ġ
Ģ
H
Ĥ
Ħ
I
Ì
Í
Î
Ï
Ĩ
Ī
Ĭ
Į
İ
J
Ĵ
K
Ķ
L
Ĺ
Ļ
Ľ
Ŀ
Ł
M
N
Ñ
Ń
Ņ
Ň
Ŋ
O
Ò
Ó
Ô
Õ
Ö
Ø
Ō
Ŏ
Ő
Ǿ
Œ
P
Q
R
Ŕ
Ŗ
Ř
S
Ś
Ŝ
Ş
Š
T
Ţ
Ť
Ŧ
U
Ù
Ú
Û
Ü
Ũ
Ū
Ŭ
Ů
Ű
Ų
V
W
Ŵ
Ẁ
Ẃ
Ẅ
X
Y
Ỳ
Ý
Ŷ
Ÿ
Z
Ź
Ż
Ž
&
@
£
$
€
¥
Table 2
Punctuation
Apostrophe
‘
’
‘
Bracket
(
)
[
]
{
}
<
>
Exclamation mark
!
Guillemet
«
»
Inverted comma
“
”
“
Question mark
?
Solidus
\
/
Table 3
Signs and symbols
*
=
#
%
+
(In addition a company name may contain a figure (0, 1, 2, 3, 4, 5, 6, 7, 8 or 9), a full stop, comma, colon, semi-colon or hyphen and any other punctuation referred to in Table 2 in Schedule 1 (as above).
Equivalences
If a letter bears a diacritic the letter should be compared to the plain letter. The following comparisons should also be made:
Æ
≡
AE
Œ
≡
OE
Þ
≡
TH
Ð
≡
D
ß
≡
SS
&
≡
AND
+
≡
AND
Equivalence rules in the 2015 Regulations
The 2014 Regulations also contain a table of equivalences, to determine whether a proposed company name is to be deemed the same as another. The table, in Schedule 3 of the Regulations, is as follows:
Column 1 (permitted characters)
Column 2 (to be treated the same as)
À Á Â Ã Ä Å Ā Ă Ą Ấ
A
Æ Ǽ
AE
Ç Ć Ĉ Ċ Č
C
Þ Ď Ð
D
È É Ê Ë Ē Ĕ Ė Ę Ě
E
Ĝ Ğ Ġ Ģ
G
Ĥ Ħ
H
Ì Í Î Ï Ĩ Ī Ĭ Į İ
I
Ĵ
J
Ķ
K
Ĺ Ļ Ľ Ŀ Ł
L
Ñ Ń Ņ Ň Ŋ
N
Ò Ó Ô Õ Ö Ø Ō Ŏ Ő Ǿ
O
Œ
OE CE
Ŕ Ŗ Ř
R
Ś Ŝ Ş Š
S
Ţ Ť Ŧ
T
Ù Ú Û Ü Ũ Ū Ŭ Ů Ű Ų
U
Ŵ Ẁ Ẃ Ẅ
W
Ỳ Ý Ŷ Ÿ
Y
Ź Ż Ž
Z
(Interestingly, Þ is compared with D, not with TH.)