German tax advisory for international D2C and Shopify stores

E-commerce tax advisors in Germany for D2C and Shopify stores seeking real control over growth

Your store is growing in Germany. But revenue, ROAS and tool dashboards are not enough if your cost of goods sold, inventory, payment fees, returns, taxes and cash flow are not properly aligned. SPIELMANN integrates Shopify, payment providers, document management tools, DATEV and e-commerce management accounts so that each month you can see whether your growth is genuinely profitable.

Your management accounts arrive late, are difficult to understand or fail to support operational decisions

Your ad performance looks strong, but contribution margin, fees and returns are not properly consolidated

Inventory, cost of goods sold and payment fees do not reconcile with Shopify, KLAR, Sellerboard or your management accounts

OSS, German VAT compliance and international sales are not properly integrated into your monthly processes

Book an introductory call

Free & with no obligation

15 minutes

No preparation required

SPIELMANN grows with your business in Germany –
supported by partners with more than 1,300 employees.

Trusted by growing international brands.

Why many growing D2C stores still lose money

D2C moves fast – accounting often does not. That is precisely where the most costly mistakes arise: not in your ads, but in the numbers behind them.

Tracking shows revenue – not the full picture.

Attribution tools support marketing decisions. But profitability can only be assessed when cost of goods sold, fees and returns are properly included.

Cost of goods sold is the most common margin killer.

If your COGS are incorrect, everything can look profitable – until you suddenly run out of cash.

Your payment mix quietly erodes your margin.

Klarna, PayPal, Stripe, fees and chargebacks – without proper allocation, your contribution margin is only an estimate.

Warehouse and inventory figures are rarely reliable.

3PL, replenishment and stocktake discrepancies: if inventory and cost of goods sold do not reconcile, operational decisions become a gamble.

International growth outpaces your accounting and VAT processes.

New countries, new obligations. Without the right structure, stress—and unnecessary risks—quickly arise.

Month-end reporting arrives too late for informed decisions.

If your figures arrive only “eventually”, you are making today’s decisions about tomorrow’s budgets in the dark.

Book an introductory call

Free & with no obligation

15 minutes

No preparation required

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

Financial accounting for D2C brands that are serious about scaling.

SPIELMANN connects your systems, automates routine tasks and provides management accounts you can actually use.

E-commerce management accounts instead of tax-focused reporting

Not just “some” figures, but figures that tell you whether you are scaling profitably.

Our e-commerce management accounts are structured so you can see within minutes: What generates profit? What erodes your margin? Where is cash running short?

A clear view of your contribution margin (including payment fees & returns)
A well-organised cost structure: advertising, fulfilment, tools and staff costs—grouped clearly
Consistent month-on-month comparisons—trends instead of chaos
Presented clearly—so you can make decisions, not just file reports away

Book an introductory call

Free & with no obligation

15 minutes

No preparation required

Accurate COGS & inventory at last

Your shop’s success depends on its COGS.

We ensure that your cost of goods sold and inventory are accurate in your accounts and plausible from an operational perspective—rather than based on rough estimates.

Accurate reporting of cost of goods sold & inventory (including purchasing & warehousing processes)
Plausibility checks against your data and tools (e.g. Sellerboard & others)
Fewer surprises when it comes to margins, cash flow and annual financial statements
A structure that remains reliable even with high transaction volumes

Book an introductory call

Free & with no obligation

15 minutes

No preparation required

Sell internationally—without the tax headaches

France, Spain, Italy? Growth, yes—but without the headaches.

We establish the accounting foundations and coordinate tax compliance with our partners.

A reliable data basis for EU sales & reporting processes
Automated VAT filings through our partners
A clear process instead of endless back-and-forth & requests for additional information
You know what needs to be done—and who is responsible

Book an introductory call

Free & with no obligation

15 minutes

No preparation required

Maximum automation

The more you scale, the less time your accounting should demand from you.

We integrate your shop, payment systems and tools so you do not have to start from scratch every month.

Integration of Shopify & payment providers (Stripe, Klarna, Mollie and others)
Automatic document retrieval (GetMyInvoices, Pleo, Moss and others)
Less manual preparation and fewer follow-up questions
Optional: direct communication in your Slack channel

Book an introductory call

Free & with no obligation

15 minutes

No preparation required

Seamlessly integrated with your shop stack.

SPIELMANN integrates directly with your existing e-commerce setup—from your shop and payment systems to receipt and expense management.
No workarounds, no duplicate processes. Your data flows automatically into accurate, decision-ready management accounts (BWA).

Not a traditional tax firm. Not a jack of all trades. Accounting that truly understands D2C businesses.

SPIELMANN is rethinking accounting: digital, automated and designed to scale. We connect your systems, provide clarity and ensure that your accounting keeps pace with your growth—instead of holding you back.

Book an introductory call

Florian Spielmann

Partner

Marius Gotzen

Partner

Tobias Frambach

Partner

Our office

Hennes-Weisweiler-Allee 23
D-41179 Mönchengladbach

Whether you process 100 or 100,000 transactions per month— SPIELMANN builds an accounting structure that scales with you.

In a brief introductory call, we will show you

where your margin is currently generated.
where it is being lost without you noticing.
how to structure your figures so that growth becomes predictable.

Book an introductory call

Free & with 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 get to know your business – your shop, payments, tools and processes. In 15 minutes, we identify potential improvements and the automations that genuinely make sense.

Authorisation

You grant us digital authorisation once – we take care of the rest.
No paperwork, no folders going back and forth: secure, fast and straightforward.

Go-live

We take over your ongoing bookkeeping, set up interfaces and ensure a smooth transition – with no downtime, no data loss and no stress.

Start switching now

Free & with 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 light blue dress shirt looking to the right.

Make accounting your competitive advantage.

With e-commerce management accounts (BWA) that show you at a glance
whether ad spend, cost of goods sold and cash flow are truly aligned.

Book an introductory call

Free & with no obligation

15 minutes

No preparation required

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

What our clients say

Hear how easy they found the switch and what has changed since then.

Thank you! Your submission has been received!

Oops! Something went wrong while submitting the form.

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 & with no obligation

15 minutes

No preparation required

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

FAQs

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

Book an introductory call

Free & with no obligation

15 minutes

No preparation required

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.

Do you integrate Shopify and payment providers?

Yes. We integrate Shopify, Stripe, Klarna, PayPal, Mollie and other channels, consolidating sales, payment fees and returns accurately in your accounting system rather than requiring you to compile them manually.

What happens if I register for OSS too late?

In the worst-case scenario, you may become liable for tax in the relevant EU country, including filing obligations, registration requirements, local adviser fees and possible penalties. As soon as you make cross-border sales, you must register correctly for the One-Stop Shop. If you encounter any problems, contact us immediately.

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.

E-commerce tax advisors in Germany for D2C and Shopify stores seeking real control over growth

Trusted by growing international brands.

Why many growing D2C stores still lose money

Tracking shows revenue – not the full picture.

Cost of goods sold is the most common margin killer.

Your payment mix quietly erodes your margin.

Warehouse and inventory figures are rarely reliable.

International growth outpaces your accounting and VAT processes.

Month-end reporting arrives too late for informed decisions.

Financial accounting for D2C brands that are serious about scaling.