Here are a select few offers that could benefit you (and me) if you were interested in opening any accounts. All of the below accounts are free to open, so you could, for example, use the free  €5 sign up bonus with Bondora to test out the system without putting any money down.

I have listed the bonuses you can earn and the estimated rates of return below.

Platform
Platform
Offer
Estimated Rate of Return (%)
Validity
Link
Cloudways
Cloud Hosting
Receive 10% off your first 3 months with Cloudways website hosting. Cloudways Review
N/A
Ongoing
Mintos
P2P Investing
Register with Mintos for a 1% cashback within the first 90 days of registration. Mintos Review
11%
Ongoing
Bondora
P2P Investing
Register with Bondora and you get a €5 sign up bonus. Bondora Review.
11%
(8.86% – 16.86%)
Ongoing
Reinvest24
P2P Investing
Register with Reinvest24 for a bonus €10 on signup.
14%
Ongoing
Crowdestor
P2P Investing
Register on Crowdestor and receive a 1% bonus on your investments for 90 days. Crowdestor Review.
~10%
Ongoing
Transferwise
Money Transfer
Transfer money with TransferWise and your first transfer of up ~500 EUR is free

N/A
Ongoing