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Not advice. Rates are gross, per year and as published by the provider. Variable rates can change. Outbound links may earn a commission; that never affects the order or the calculation.

Open an account at Bigbank
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BigbankFlexibel Sparen

Instant access · Bigbank AS · Estonia · Directly at the bank
Promotional rateNew customers only
Open an account at Bigbank
Promotional rate
3.00%
then 2.00%
since 16 Sep 2026
EffectiveThe effective annual rate for €100,000: what you really earn per year, after fees and including compound interest, so that terms and payout frequencies are comparable. The promotional rate applies for 6 months; after that 2.00%.
2.50%
for €100,000
Your return on €100,000
€2,500
interest per year
Deposit guarantee
€100,000 fully protected
Estonian scheme

Bigbank AS · Tagatisfond – Hoiuste tagamise osafond · €100,000 per person per bank

Your calculation for €100,000

Gross interest over 1 year: €2,500.
Existing customers do not get the promotional rate: 2.00% → €2,000 over 1 year.
In the calculation: 6 months promotional rate (€1,500), then the base rate.
Assumption: the variable rate stays the same for the whole period. Gross, before tax.
Interest built up over 1 year
€ 0€ 1k€ 2kstart6 mo1 yr€2,500After 1 month: €250 rate · balance €100,250After 2 months: €500 rate · balance €100,500After 3 months: €750 rate · balance €100,750After 4 months: €1,000 rate · balance €101,000After 5 months: €1,250 rate · balance €101,250After 6 months: €1,500 rate · balance €101,500After 7 months: €1,666.67 rate · balance €101,666.67After 8 months: €1,833.33 rate · balance €101,833.33

Rate and conditions

BalanceRate
€0 – and up2.00%
Interest payout
yearly, compounded (interest on interest)
Fees
none
Promotion conditions
  • Promotional rate 3.00% for 6 months
  • New customers only
  • Bonus voor nieuwe klanten: 3,00% voor de eerste 6 maanden, daarna de standaardrente (2.00%)
Access
Instant access
Minimum deposit
none
Maximum deposit
not stated
Current account required
no
For whom
new and existing customers
Open via
Direct · available to residents of the Netherlands
  • Rente wordt jaarlijks op 31 december bijgeschreven
  • Vrij opneembaar; identificatie via partner AMP Groep bij het klant worden

Deposit guarantee

€100,000 fully protected
Estonian scheme

Bigbank AS · Tagatisfond – Hoiuste tagamise osafond · €100,000 per person per bank

Licence and verification
Institution
Bigbank AS
Status
Verified European deposit guarantee scheme
Scheme
Tagatisfond – Hoiuste tagamise osafond (Estonia)
Guarantee
€100,000 per person per institution
Verification
Tagatisfond deelnemerslijst
detailsgelezen 2026-09-02
source ↗ · 2 Sep 2026
Taxes
Country
Estonia
Withholding tax
No withholding tax
Standard rate
0.00%
For a Dutch saver
0.00%
Notes
Estland heft geen bronbelasting op spaarrente van niet-ingezetenen.

Rates are gross. The Dutch box 3 wealth tax is separate and not included.

Read on:

Rate history

2.50%2.75%3.00%3.25%3.50%19 Jun 20263 Aug 2026now3.00%3.10% from 19 Jun 2026 until 7 Aug 20262.75% from 7 Aug 2026 until 2 Sep 20262.75% from 2 Sep 2026 until 16 Sep 20263.00% from 16 Sep 2026 until now
2.50%2.75%3.00%3.25%3.50%19 Jun 20263 Aug 2026now

Other offers from Bigbank

1 month · 2.10% · Direct2 months · 2.10% · Direct3 months · 2.40% · Direct4 months · 2.40% · Direct5 months · 2.40% · Direct6 months · 2.75% · Direct7 months · 2.75% · Direct9 months · 2.75% · Direct10 months · 2.90% · Direct11 months · 2.90% · Direct
After 9 months: €2,000.00 rate · balance €102,000.00After 10 months: €2,166.67 rate · balance €102,166.67After 11 months: €2,333.33 rate · balance €102,333.33After 12 months: €2,500.00 rate · balance €102,500.00
€ 0€ 1k€ 2kstart3 mo6 mo9 mo1 yr€2,500After 1 month: €250 rate · balance €100,250After 2 months: €500 rate · balance €100,500After 3 months: €750 rate · balance €100,750After 4 months: €1,000 rate · balance €101,000After 5 months: €1,250 rate · balance €101,250After 6 months: €1,500 rate · balance €101,500After 7 months: €1,666.67 rate · balance €101,666.67After 8 months: €1,833.33 rate · balance €101,833.33After 9 months: €2,000.00 rate · balance €102,000.00After 10 months: €2,166.67 rate · balance €102,166.67After 11 months: €2,333.33 rate · balance €102,333.33After 12 months: €2,500.00 rate · balance €102,500.00
Is saving at a foreign bank safe? How the deposit guarantee works in Europe
3.00%3.10% from 19 Jun 2026 until 7 Aug 20262.75% from 7 Aug 2026 until 2 Sep 20262.75% from 2 Sep 2026 until 16 Sep 20263.00% from 16 Sep 2026 until now
FromRateUntil
16 Sep 20263.00%current
2 Sep 20262.75%16 Sep 2026
7 Aug 20262.75%2 Sep 2026reported
19 Jun 20263.10%7 Aug 2026reported

All historic rates of Bigbank →All savings products of Bigbank →

  • 16 Sep 2026Bigbank – Flexibel Sparen: 2.75% → 3.00%
  • 2 Sep 2026New: Bigbank – Flexibel Sparen 2.75%

Rate checked on 18 Sep 2026.

1 year · 3.15% · Direct
2 years · 3.20% · Direct
35 months · 3.20% · Direct
3 years · 3.20% · Direct
4 years · 3.20% · Direct
5 years · 3.20% · Direct
6 years · 3.20% · Direct
7 years · 3.20% · Direct
8 years · 3.20% · Direct
9 years · 3.20% · Direct
10 years · 3.20% · Direct