Monzo Blog
The latest updates, stories, ideas and guides from the Monzo team.
Everything you need to know about Making Tax Digital
We've teamed up with our friends at Xero to share everything you need to know before 1 April's Making Tax Digital deadline 🧾
Scaling our on-call process
As Monzo has grown, we've continued to change our on-call process so we can keep our systems running smoothly without sacrificing the wellbeing of our engineers. Luke Briscoe explains what we've changed and how.
Mutual Mentoring at Monzo
Our teammates talk us through how taking part in mutual mentoring has helped develop their professional and personal journeys.
How we calculate balances
In June 2021 we started designing and implementing a new way to calculate balances that is more reliable and consistent. This post explains why the old approach needed improving and the changes we made.
What is economic abuse and how to spot it
Economic abuse can be hard to spot, and can happen gradually or subtly, without you even realising. Our Vulnerable Customer Manager Kate Graham explains what economic abuse looks like, and how Monzo can help.
Securely delegating trust with digital signatures and secret storage systems
This post explains how our public key infrastructure uses a combination of different secret storage systems to implement a balance between security assurances and usability.
Processing payments safely at scale
We ship changes many times a day while making sure that payments are processed as expected. This blog post explores how we do this and focuses on two ideas that could be useful outside of the world of payment processing.
How we validated our handling time data
We make lots of decisions based on data from customer support. We need to make sure we can trust this data. In this post, Niamh explains how her team validated the data.
Keep your phone and Monzo app up to date
Your Monzo account is more secure and you have access to all our latest features when your app and phone are up to date.
My first three months at Monzo as a Product Designer
Heldiney joined Monzo in August 2021 as a Product Designer in the Personal Banking team. Here's his early impressions!
Save £667.95 in 2025 with the 1p Saving Challenge
It's a simple way to save money, and it starts by saving just 1p.
How to save the spare change
Round up your spending to the nearest pound and put the spare change in a Pot.
How to save money every time you tweet
If you had £1 for every time you tweet, how long would it take you to be a millionaire?
How to save money as you run, walk or cycle
Save money as you exercise and tick off two New Years’ Resolutions in one.
My first 6 months at Monzo as a Backend Engineer
Bee Skerritt joined the Infrastructure squad as a backend engineer. In this post, he explains his journey to Monzo and his experience so far.
