#1 Cloud ERP &
CRM Software

weclapp is the ERP platform for teams.
Whether CRM, merchandise management or accounting:
with weclapp, teams manage all important
Business processes in only one software.

#1 Cloud ERP
& CRM Software

weclapp is the ERP platform for teams.
Whether CRM, merchandise management or accounting:
with weclapp, teams manage all important
Business processes in only one software.

Thousands of small and large teams worldwide are thrilled.

weclapp Kunden

A cloud ERP software to manage your entire business.

The old way. Complex and expensive.

The new way. Simple and inexpensive.

Oldway chaos vs. newway weclapp

3 x in a row ERP system of the year | 11 years experience

Satisfied customers are everything!

Satisfied customers are everything!

Each employee has access to the same, current customers as the service, sales and marketing departments. With this information, you can always offer your customers a perfect service.

Simpler as a classic project management.

Simpler as a classic project management.

Our project management is focused on simple task and document management. Apart from classic project management functions, weclapp offers wide collaboration opportunities.

Word, Excel or more complex accounting software belong to the past!

Word, Excel or more complex accounting software belong to the past!

You create professional invoices and credit notes in a short time at the touch of a button. Use our recurring invoices feature to save time and effort.

The perfect inventory management.

The perfect inventory management.

Manage your stored items and products professionally in an integrated Merchandise management system. In this case, all items movements stay exactly and reliably documented.

The support for your procurement processes.

The support for your procurement processes.

Goods receipt slips are created automatically from purchase orders. Barcode-supported recording of articles simplifies and accelerates the product management additionally.

The shelves are always filled.

The shelves are always filled.

Manage a random number of storage locations and warehouses. Through our software the warehouse is observed permanently and users get warned against low stocks.

Quotes and orders with your letterhead.

Quotes and orders with your letterhead.

Create convincing quotes in no time. You need only a few clicks, because the essential information is adopted automatically from your customer and article data (even if you create a preview).

Accounting can be fun!

Accounting can be fun!

You keep an eye on all relevant financial data. With weclapp accounting incl. controlling, dunning, cash management and more is easy to handle.

Complete packages for your requirements!


Compact CRM solution – perfect for companies that want to win and retain customers

✔ Contact management
✔ 360-degree customer view
✔ Tasks and calendar
✔ Automated e-mail
✔ Phone connection (CTI)
✔ Opportunities and campaigns

ERP service

Perfekct for IT service, consulting, agency, IT consulting, etc.

✔ Offer and order
✔ Invoicing
✔ Project management
✔ Time logging
✔ Recurring invoices
✔ Form designer
✔ Accounting and banking
+ everything from CRM

ERP Handel

Perfect for e-commerce, trade, production, system house, etc.

✔ Merchandise management system
✔ Disposition and purchasing
✔ Inventory management
✔ Production
✔ Shop connection
✔ Amazon, eBay and Rakuten
✔ Serial and batch numbers
+ CRM and ERP service

Not yet Cloud-ready? weclapp can be used to the same extent as a server solution!
You can find out more about this here.

Multiple certified & awardedt

Zertifikate weclapp

weclapp – also for your team!

Smart companies from various industries successfully use weclapp to efficiently manage their business. The cloud-based CRM and ERP software covers all important business areas from various industries and combines them in a modern, easy-to-use interface. Simple scaling makes the solution suitable for both startups on a growth path and for small and medium-sized businesses.

Branche E-Commerce
Management consultancy
IT Service
System houses

Integrations and Add-ons for weclapp

Logos Integrationen mit weclapp

Benefit from highest security with weclapp

Certification (among others ISO 27001)

Regular checks by independent experts.


Daily data backups for maximum security.


Fail-safe network for 99.5% availability.

Made in Germany

weclapp is a German company from Marburg.

Data storage

The data is stored in FFM in the tested computer center.

SSL encoding

The data transmission is always encrypted.

Your team in good company

Referenzkunden weclapp

weclapp became our command center: Enormous time savings and the disappearance of many sources of error made us suddenly more efficient and profitable. You can rely on weclapp as a central business tool and long-term success component!

Nico Stieldorf, Managing Director of zirb.

Are you ready? Then get started right away.
weclapp is ready for action immediately!

Test 30 days free of charge. Test phase ends automatically. No spam mails.

Why our customers love weclapp

Up to 85% increase in productivity
Up to 34% savings on IT costs
Up to 840h time savings in order processing
Up to 50% better billing accuracy

Why you too will love weclapp


Klassisches ERP


1 Quick introduction

You will be impressed with the quick start and smooth introduction. Start directly with weclapp—you don’t have to worry about long implementation periods or high initial investment costs!

2 All-in-one—one software for everything

weclapp supports all business areas: CRM, merchandise management system, accounting and calculation program. Using one single solution ensures significant time and cost savings as well as transparency.

3 Intuitive user guidance

weclapp impresses with a clear and modern user interface: intuitive and easy to use! Inline help and recommendations for action make working with the software particularly easy.

4 Software made in Germany

weclapp is a German company from Marburg. All data is stored in Germany in accordance with the strict German data protection regulations. The data center in Frankfurt a.M. has various certifications (e.g. ISO 27001).

5 Risk-free start and easy scalability

Since weclapp is cloud-based, there are no implementation costs. And, there are no maintenance costs because updates are free. Thanks to the modular structure, you only pay for what you actually use.