German Tax Advisory and Financial Accounting for International Agencies, SaaS and E-Commerce Service Providers

Tax Advisor and Accounting Services in Germany for Growing Agencies, SaaS Companies and E-Commerce Service Providers

Retainers, prepayments, revenue sharing, international freelancers, software subscriptions, German payroll and reverse charge rarely fit standard accounting processes. SPIELMANN builds a finance setup that supports more predictable agency and SaaS growth in Germany.

Retainers, prepayments and revenue sharing no longer end up in Excel spreadsheets

German payroll, onboarding and offboarding take up too much operational time

Your German BWA management report arrives too late or fails to show which clients, teams and services are profitable

Book an introductory call

Free & no obligation

15 minutes

No preparation required

SPIELMANN grows with your German operations –
supported by partners with more than 1,300 employees.

Trusted by growing brands.

Why German accounting holds agencies & SaaS companies back

Growth in Germany rarely stalls because of sales. It stalls because internal processes can no longer keep pace – especially financial reporting.

Recurring revenue does not fit standard financial accounting processes.

Retainers, prepayments and revenue sharing require clear accounting logic – otherwise, German reporting becomes guesswork.

Excel becomes your unofficial finance system.

Once prepayments and accruals move into spreadsheets, international teams lose time – and you lose control.

Cross-border transactions can quickly turn “just pay it” into reverse-charge chaos.

Freelancers worldwide, software purchased abroad and payments through Wise or Payoneer: without clear German accounting processes, uncertainty quickly arises.

German payroll is non-negotiable.

When German salaries or responses to payroll queries are delayed, trust within the team suffers – and you lose focus.

Your technology stack grows – but your processes do not.

Invoicing software, receipt management tools, payment cards and subscriptions: without reliable integrations, every German month-end becomes a manual rescue operation.

A BWA that provides no basis for decision-making is a waste of time.

You need figures that help you manage hiring, runway and profitability—not reports produced merely “for the files”.

Book an introductory call

Free & no obligation

15 minutes

No preparation required

SPIELMANN grows with you—
thanks to partners with more than 1,300 employees.

Financial accounting for growing agencies & SaaS companies

SPIELMANN brings structure to recurring revenue, automates routine processes and provides reporting that you can use to manage your business.

E-commerce management accounts instead of tax-focused reporting

No more Excel spreadsheets for advance payments.

We accurately reflect your revenue model—so you know what has genuinely been earned and which services are still outstanding.

Accurate accounting for retainers & prepaid services
Transparent, consistent structures for revenue-sharing arrangements
Clearer period allocation for better financial control
Fewer queries and fewer manual side calculations

Book an introductory call

Free & no obligation

15 minutes

No preparation required

Cost of goods sold & inventory—properly accounted for at last

Freelancers in Portugal, developers in India, payments via Wise or Payoneer?

No problem—as long as the processes are right. We map the accounting logic accurately and keep everything organised.

A structured approach to international purchase invoices & software costs
Correct accounting treatment of reverse-charge transactions
Less uncertainty for your team and less rework
A clear process instead of case-by-case chaos

Book an introductory call

Free & no obligation

15 minutes

No preparation required

Sell internationally—without the tax headaches

Your team relies on salaries being paid on time. Full stop.

Together with our partners, we ensure reliable processes—and answers within hours, not days.

Payroll processed on time through our partner
Prompt resolution of queries
Well-structured processes for onboarding, offboarding & changes
Optional: a dedicated Slack channel for quick coordination

Book an introductory call

Free & no obligation

15 minutes

No preparation required

Maximum automation

We integrate with your invoicing software and receipt management tools—so bookkeeping preparation never becomes your bottleneck.

Direct integration with Lexware, sevdesk and easybill
Automated document collection via GetMyInvoices, Pleo, Moss and others
Less manual preparation and fewer queries
A predictable monthly close—even as you grow

Book an introductory call

Free & no obligation

15 minutes

No preparation required

Your finance setup, ready for growth.

From invoicing software and cards to receipt and expense management tools:
SPIELMANN integrates directly with your existing stack and creates a scalable finance structure for retainers, prepaid models, international teams and recurring revenue.

Not a traditional tax firm. Not a jack-of-all-trades. Accounting that can support your growth.

SPIELMANN is rethinking accounting and tax advisory—digital, scalable and personal.
We integrate your sales channels and payment providers, bring clarity to your figures and ensure that your tax advice and accounting keep pace with your growth.

Book an introductory call

Florian Spielmann

Partner

Marius Gotzen

Partner

Tobias Frambach

Partner

Our office

Hennes-Weisweiler-Allee 23
D-41179 Mönchengladbach

Whether you have 100 or 100,000 transactions a month— SPIELMANN builds a bookkeeping structure that grows with you.

During the introductory call, we will explore together,

how retainers, prepaid services & revenue-sharing arrangements are currently accounted for.
where accounting is currently costing you time and focus.
and how to build a structure that can support a team of 50+ employees.

Book an introductory call

Free & no obligation

15 minutes

No preparation required

SPIELMANN grows with you—
supported by partners with more than 1,300 employees.

Smiling man with glasses and beard wearing a blue suit jacket and white shirt, sitting at a table with an open book and laptop.

Switch in 3 steps—with less than 30 minutes of your time.

Structure instead of chaos, clarity instead of endless questions – switching is easier than you think.

Analysis

We analyse your setup – including invoicing software, payments, team structure and processes – and identify where accounting is currently holding you back.

Authorisation

Simply provide digital authorisation once, and we will take care of the setup, interfaces and handover.

Go-live

A smooth transition, clear processes and ongoing support – with no downtime.

Start switching now

Free & no obligation

15 minutes

No preparation required

SPIELMANN grows with you –
thanks to partners with over 1,300 employees.

Smiling man with glasses and beard wearing a light blue dress shirt looking to the right.

Turn accounting into your competitive advantage.

With clear processes, easy-to-understand reporting and accounting that takes pressure off your team rather than holding it back.

Book an introductory call

Free & no obligation

15 minutes

No preparation required

SPIELMANN grows with you –
thanks to partners with over 1,300 employees.

Client testimonials

Hear from our clients about how easy the switch was and what has changed since then.

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Excellent e-commerce expertise, from professionals for professionals – 100% recommended!

Söhnke Mücke

Managing Partner (CEO)

A knowledgeable, reliable and personable partner! SPIELMANN also advises several of our e-commerce clients, and the feedback we receive is excellent!

Julian Lohse

Co-Founder

Reliable, quick to respond, and with a deep understanding of the complexities of e-commerce accounting. Highly recommended!

Simon Bladt

Co-Founder

At SPIELMANN in Mönchengladbach, you quickly feel that you are in good hands. The advice is pragmatic and focused on achieving results. It is clear that the team has extensive e-commerce experience and, above all, takes a practical approach—something that is very rare in this field today. I look forward to continuing our collaboration. Keep up the great work!

Lucas Beier

Founder & CEO

Professional and reliable service. We trust SPIELMANN with our German clients and regularly refer them to the firm.

Tobias Heckmann

Founder & CEO

Friendly initial consultation, quick onboarding and even faster response times! I’ve only been a client for a few months, and everything is already running smoothly. Thank you!

Manuel Weihmüller

Managing Director

Switching to Spielmann was the best decision: Their prompt, personal availability and reliable, open communication delivered immediate benefits.

Toni Vahrenhorst

Managing Director

Since SPIELMANN took over, I can finally rely on our financial accounting again. Florian really knows his stuff and responds faster than my mother on WhatsApp. Highly recommended!

Jan-Eric Hesse

NEXTCOVER

An office at Nordpark 1—what more could you ask for? I greatly value Marius and Florian’s expertise in e-commerce and accounting. Highly recommended!

‍

Felix Keser

BERGMENSCH

Excellent bookkeeping 🙏🏼 I’ve worked with several tax advisors in the past. After generating several million euros in revenue and filing countless VAT returns, tax is finally starting to be enjoyable. Definitely the right place to go for anyone who has just made their first million and needs support with e-commerce, Pan-European FBA and Amazon. Excellent!

Lars Schultka

LOONARA

Excellent advice and communication with Florian. Communication is always straightforward, and whenever questions arise, you receive a prompt response. Personal and direct. Highly recommended!

Kevin Siemens

NouBaby

Book an introductory call

Free & no obligation

15 minutes

No preparation required

SPIELMANN grows with you—
supported by partners with more than 1,300 employees.

FAQs

Here you will find answers to the most frequently asked questions about working with us, switching advisers and our services.

Book an introductory call

Free & no obligation

15 minutes

No preparation required

Do you also advise agencies, service providers and SaaS companies?

Yes. In addition to Amazon and Shopify merchants, we advise agencies, service providers and SaaS companies in the e-commerce sector. We are familiar with recurring revenue, retainer models and international invoicing.

How quickly can I switch to Spielmann?

Typically within four weeks, with less than 30 minutes of your time required. We handle communication with your current tax adviser and manage the entire transition without disruption.

Are you really tax advisers?

Yes. SPIELMANN Steuerberatung GmbH is a licensed tax advisory firm registered with the Düsseldorf Chamber of Tax Advisers. Financial accounting, payroll accounting, tax advisory services, annual financial statements and tax returns are all provided by a single firm.

How does communication work?

Communication is primarily via a dedicated Slack channel for your team, as well as by email and phone. We generally respond to queries within a few hours.

Can you handle international sales and customers?

Yes. We set up cross-border transactions, reverse charge, OSS and foreign registrations correctly and handle the ongoing filings, so you can focus on your business.

Tax Advisor and Accounting Services in Germany for Growing Agencies, SaaS Companies and E-Commerce Service Providers

Trusted by growing brands.

Why German accounting holds agencies & SaaS companies back

Recurring revenue does not fit standard financial accounting processes.

Excel becomes your unofficial finance system.