Contasimple vs Monzo Business: Complete Comparison (2026)
An in-depth comparison of Contasimple and Monzo Business to help you choose the right tool for your business.
Last updated: November 2026
Contasimple
5.5/10
Cloud invoicing, accounting and tax-filing software for Spanish freelancers (autónomos) and microbusinesses, with VeriFactu-ready invoicing and official tax models.
Monzo Business
6.5/10
Monzo Business is an app-based UK business bank account for sole traders and limited companies. It includes invoicing, Tax Pots, expense cards and accounting software bank feeds.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 5.5/10 | 6.5/10 |
| Scalability | 3/10 | 3/10 |
| Analytics | 4/10 | 4/10 |
| Compliance | 8/10 | 7/10 |
| Integration | 3/10 | 6/10 |
| Security | 5/10 | 7/10 |
| Support | 4/10 | 6/10 |
| Cost | 8/10 | 8/10 |
| Customization | 4/10 | 4/10 |
| Ease of Use | 7/10 | 9/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | €13/mo Profesional | £9/mo Pro |
| Estimated cost for 10 users | Free Básico | £25/mo Team |
| Features | ||
| Financial Reporting | ||
| General Ledger | ||
| Accountant Access | ||
| Invoicing | ||
| Tax Compliance | ||
| Bank Reconciliation | Not listed | |
| Corporate Cards | Not listed | |
| Expense Management | Not listed | |
| Multi-currency | Not listed | |
| Online Payments | Not listed | |
| Payroll | ||
Contasimple vs Monzo Business cost by team size
| Team size | Contasimple | Monzo Business |
|---|---|---|
| 1 user | FreeBásico | £9/moPro |
| 5 users | FreeBásico | £25/moTeam |
| 10 users | FreeBásico | £25/moTeam |
| 25 users | FreeBásico | FreeLite |
| 50 users | FreeBásico | FreeLite |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose Contasimple
- Higher Compliance score (8/10 vs 7/10)
- Includes Financial Reporting, which Monzo Business lacks
- Includes General Ledger, which Monzo Business lacks
Why choose Monzo Business
- Higher Integration score (6/10 vs 3/10)
- Higher Security score (7/10 vs 5/10)
Pros & Cons
Contasimple
Pros
- Covers Spanish tax models such as 303, 130, 349 and 390 from inside the app, which suits autónomos who file their own returns.
- Invoicing is VeriFactu-ready, and paid plans add FACe e-invoicing for public-sector customers.
- Free-forever plan, with paid plans starting at about 11 euros a month on annual billing.
- Capterra reviewers rate ease of use as its strongest point (4.0 out of 5).
Cons
- Capterra reviewers rate support and value for money weakly, and Trustpilot reviews mention slow support.
- The free plan only allows 12 documents a year.
- No payroll, CRM or project features, and very few third-party integrations.
- Built for Spain only, so it does not suit businesses in other countries.
- Reviewers describe the interface as dated.
Monzo Business
Pros
- The Lite plan is free and includes Making Tax Digital software
- Pro adds invoicing, Tax Pots and live feeds to Xero, QuickBooks, FreeAgent and Sage for £9 a month
- The Team plan adds expense cards, payment approvals and bulk payments for up to 15 users
- 24/7 in-app support on every plan
- Licensed UK bank with FSCS deposit protection
Cons
- Holds GBP only, and incoming foreign currency is converted at a 1% fee
- No general ledger or financial statements, so you still need separate accounting software
- Partnerships, LLPs, charities and non-UK businesses cannot open an account
- Cash deposits cost £1 each and are capped
- Reviews report frozen accounts and slow resolution, and there is no dedicated account manager
Not sold on either?
Frequently Asked Questions
Monzo Business scores higher on our Finance Software criteria: 6.5/10 against 5.5/10 for Contasimple. The largest gap is in Integration: 3/10 for Contasimple and 6/10 for Monzo Business.
Yes, both Contasimple and Monzo Business have a free plan.
Contasimple has Financial Reporting and General Ledger, which Monzo Business lacks.
