Get easy access to bank data, tax accounts, corporate cards and e-commerce wallets.
Domestic and cross-border payments made simple with automated payment flows.
Quality assurance, checks and controls.
Process Scandinavian, European and global currencies.
Lesslie is regulated by Sweden's financial supervisory authority (Finansinspektionen).
Integrate with public and private APIs, EDIs and bespoke solutions.
Rely on Lesslie to aggregate your portfolio and understand your clients’ bank holdings, tax accounts and the status of their ERPs. It’s a smarter way to get an overview of your customers and to find any accounting anomalies quickly and easily.
Let Lesslie do the hard work for you like gathering data and performing accounting and audit checks. We’ll help your accounting firm become more efficient, so you can focus on what you do best: delivering top-quality work for your clients.

Continuous synchronization of client bank accounts, tax accounts and bookkeeping. Automate your clients’ payments on an aggregate level for seamless reconciliation.
Access all your clients in one view and check their accounting health. You can also get automated checks and power-of-attorney management.
We’ll keep watch over your clients’ financials and accounts. That means you can focus on guiding them to the best products and services, while we get on with the rest.