All Integrations with One API
Explore all ERP and accounting systems supported by Maesn, continuously extended.
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DATEV Unternehmen Online
DATEV's document exchange portal connecting businesses directly with their tax advisor's environment.
DATEV Rechnungswesen
Standard accounting platform for German tax advisors and larger self-booking companies across Germany.
sevdesk
German cloud accounting for SMEs and freelancers with GoBD-compliant invoicing and bookkeeping.
QuickBooks Online
Intuit's cloud accounting platform dominant in North America with a strong UK presence.
Microsoft Dynamics 365
Business Central
Microsoft's cloud ERP for SMBs covering financials, supply chain, and operations in 160+ countries.
Lexware Office
Leading cloud accounting for German SMEs and freelancers, formerly known as lexoffice.
Sage Active
Sage's modern cloud ERP for growing businesses in France, Spain, and Germany with a GraphQL API.
Xentral
German cloud ERP for e-commerce businesses covering order management, inventory, and accounting.
Exact Online
Market leader in Netherlands and Belgium covering accounting, invoicing, and project management.
Twinfield
Wolters Kluwer's cloud accounting used by firms managing multiple clients in Benelux and the UK.
Xero
Cloud accounting for small businesses widely used in the UK, Australia, New Zealand, and North America.
bexio
Cloud accounting for Swiss SMEs and freelancers covering invoicing, expenses, and bank reconciliation.
Weclapp
German cloud ERP for SMEs covering CRM, accounting, inventory, and e-commerce in one platform.
Buchhaltungsbutler
German accounting automation focused on receipt capture and automated booking for SMEs and tax firms.
Visma e-conomic
Leading cloud accounting in Denmark and Norway with strong adoption among SMEs and accounting firms.
FreshBooks
Cloud accounting for freelancers and small service businesses across North America, UK, and Australia.
FreeAgent
UK accounting for freelancers and contractors built around MTD VAT, Self Assessment, and time tracking.
Holded by Visma
All-in-one ERP for Spanish SMEs covering invoicing, accounting, inventory, CRM, and HR.
Fortnox
Sweden's most widely used SME accounting platform covering invoicing, payroll, and financial reporting.
Sage Accounting
Cloud accounting for SMBs across UK, USA, France, Germany, Canada, Ireland, and Spain.
Visma eAccounting
Cloud accounting for SMEs in Norway and the Netherlands, sharing one API with Spiris and ePasseli.
Abacus
Swiss ERP for SMEs covering financials, payroll, and project management with Swiss compliance.
odoo
Open-source ERP used across 100+ countries covering accounting, inventory, CRM, and e-commerce.
Moneybird
Dutch cloud accounting for freelancers and small businesses with strong bookkeeper adoption.
Pennylane
French cloud accounting platform built around the accountant-client relationship, fast-growing in France.
SnelStart
Dutch accounting and invoicing platform widely used by SMEs and bookkeeping firms in the Netherlands.
Qonto
European business finance platform covering business accounts, expense management, and invoicing.
Don't see your target system?
Maesn continuously extends its integration coverage. Request your target ERP or accounting system and we'll prioritise it based on your needs.
We are European.
Enterprise-grade security & compliance are our foundation.
Built and hosted in Germany to meet the highest security and compliance standards, Maesn processes API calls in real time without storing customer data and is fully ISO 27001 & GDPR compliant.
