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Just the essentials.
24 to do
file
open now
1
→ 31
October 2026
Quarterly declaration
Last day: Friday 30 October
Where
Segurança Social Direta
How much
no payment
pay
open now
10
→ 20
October 2026
SS contribution
Where
Segurança Social Direta
How much
min. €20
pay
10
→ 20
November 2026
SS contribution
Where
Segurança Social Direta
How much
min. €20
pay
10
→ 20
December 2026
SS contribution
Last day: Friday 18 December
Where
Segurança Social Direta
How much
min. €20
pay
21
Mon
December 2026
Advance payment
Where
Portal das Finanças
How much
if ≥ €50
file
1
→ 31
January 2027
Declaration + annual income
Last day: Friday 29 January
Where
Segurança Social Direta
How much
no payment
pay
10
→ 20
January 2027
SS contribution
Where
Segurança Social Direta
How much
min. €20
pay
10
→ 20
February 2027
SS contribution
Last day: Friday 19 February
Where
Segurança Social Direta
How much
min. €20
pay
20
Sat
February 2027
Annual SS adjustment
Last day: Friday 19 February
Where
Segurança Social Direta
How much
per assessment
do
28
Sun
February 2027
Expenses in e-fatura
Last day: Friday 26 February
Where
e-fatura
How much
no payment
pay
10
→ 20
March 2027
SS contribution
Last day: Friday 19 March
Where
Segurança Social Direta
How much
min. €20
file
1
→ 30
April 2027
Quarterly declaration
Where
Segurança Social Direta
How much
no payment
file
1
→ 30 Jun
April 2027
IRS filing
Where
Portal das Finanças
How much
no payment
pay
10
→ 20
April 2027
SS contribution
Where
Segurança Social Direta
How much
min. €20
pay
10
→ 20
May 2027
SS contribution
Where
Segurança Social Direta
How much
min. €20
pay
10
→ 20
June 2027
SS contribution
Last day: Friday 18 June
Where
Segurança Social Direta
How much
min. €20
file
1
→ 31
July 2027
Quarterly declaration
Last day: Friday 30 July
Where
Segurança Social Direta
How much
no payment
pay
10
→ 20
July 2027
SS contribution
Where
Segurança Social Direta
How much
min. €20
pay
20
Tue
July 2027
Advance payment
Where
Portal das Finanças
How much
if ≥ €50
pay
10
→ 20
August 2027
SS contribution
Where
Segurança Social Direta
How much
min. €20
pay
31
Tue
August 2027
IRS payment
Where
Portal das Finanças
How much
per assessment
pay
10
→ 20
September 2027
SS contribution
Where
Segurança Social Direta
How much
min. €20
pay
20
Mon
September 2027
Advance payment
Where
Portal das Finanças
How much
if ≥ €50
pay
10
→ 20
October 2027
SS contribution
Where
Segurança Social Direta
How much
min. €20
Later
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