How a Manufacturing Group Regained Control Over Tax Compliance

A mid-sized industrial manufacturing group operating in several European countries had grown rapidly through acquisitions, but its tax processes had not kept pace. Local finance teams worked in silos, using different spreadsheets, different interpretations of tax rules and inconsistent reporting calendars. Management saw growing delays in statutory filings, rising numbers of tax authority queries and an increasing risk of penalties. The board decided that a structured approach to tax compliance and reporting was needed to regain control and transparency.

Initial contact with Radner’s team came through the group CFO, who was under pressure from the audit committee to demonstrate stronger tax governance. The CFO requested a diagnostic review focused on corporate income tax, VAT and withholding tax across four jurisdictions. Radner’s team proposed a phased engagement, starting with a detailed compliance risk assessment and process mapping. The objective was to understand not only whether returns were filed on time, but also how data flowed from operational systems into tax calculations and statutory reports.

During the first phase, Radner’s team interviewed finance managers, plant controllers and shared service center staff. The team collected sample tax returns, trial balances, adjustment schedules and correspondence with tax authorities. It quickly became clear that each country used its own templates and calendars, with no central oversight. Some entities relied on external local accountants, while others prepared returns internally without standardized review procedures. The lack of a unified framework made it difficult for group management to assess compliance status at any point in time.

Radner’s team documented the existing processes using visual flowcharts, highlighting handover points, manual interventions and control gaps. Particular attention was paid to how tax-sensitive data such as intercompany charges, fixed asset movements and inventory adjustments were captured. In one jurisdiction, VAT returns were based on manually adjusted sales reports rather than the general ledger, creating reconciliation issues. In another, deferred tax calculations were performed only once a year, despite quarterly reporting requirements. These findings formed the basis for a prioritized remediation plan.

The second phase focused on designing a standardized compliance calendar and control framework. Radner’s team developed a group-wide tax calendar covering all statutory filing and payment deadlines, including corporate income tax, VAT, withholding tax and local levies. Responsibilities were clearly assigned to specific roles, and escalation paths were defined for potential delays. The calendar was integrated into the group’s existing project management tool, allowing real-time monitoring of upcoming deadlines and completion status. This created immediate visibility for the CFO and audit committee.

In parallel, Radner’s team introduced a structured set of tax control procedures tailored to the manufacturing business. These included standardized checklists for return preparation, documented review steps, and sign-off requirements at both local and group levels. For example, every corporate income tax return now required a reconciliation between the tax computation and the audited financial statements, with explanations for major differences. VAT returns had to be reconciled to the general ledger and sub-ledgers, with specific attention to zero-rated and exempt transactions.

Technology enablement was the next critical element. Radner’s team evaluated the existing ERP landscape, which consisted of two main systems and several legacy modules in acquired entities. Rather than implementing a new tax engine, the team designed a set of extraction and transformation routines that pulled relevant data from the ERPs into a standardized tax reporting template. This template automated many of the calculations previously done in spreadsheets, reducing the risk of formula errors and inconsistent logic. It also allowed for automated variance analysis between periods.

To support VAT compliance, Radner’s team implemented a transaction-level review process for high-risk areas such as cross-border supplies, consignment stock and intra-group services. The team configured exception reports that flagged unusual VAT codes, negative taxable bases and transactions with missing customer VAT numbers. Local finance teams received training on how to interpret these reports and correct issues before filing. Over time, this significantly reduced the number of VAT-related queries from tax authorities.

Corporate income tax reporting required a different approach. Radner’s team worked with group tax and finance to define a standardized tax pack for each entity. The tax pack captured book-to-tax differences, loss utilization, tax incentives and provisions for uncertain tax positions. It also included a section for documenting key judgments and assumptions. This structure enabled consistent data collection for both statutory filings and group tax reporting, including effective tax rate analysis and forecasting.

Training and change management were essential to embed the new processes. Radner’s team conducted workshops for local finance teams, focusing on practical application rather than theory. Real examples from the manufacturing operations were used to illustrate correct VAT treatment of complex supply chains, capitalization of development costs and transfer pricing adjustments. The workshops also emphasized the importance of timely and accurate data for group-level decision-making. Feedback from participants was used to refine templates and guidance materials.

As the new framework was rolled out, Radner’s team monitored early filing cycles closely. The first quarter under the new model served as a pilot, with enhanced support and additional review layers. Issues identified during this period, such as misclassification of tooling costs or inconsistent treatment of rebates, were documented and addressed through targeted guidance. The iterative approach allowed the organization to learn and improve without overwhelming local teams.

Within six months, the group saw tangible improvements. All statutory returns were filed on time, and the number of tax authority queries dropped significantly. Where queries did arise, local teams could respond quickly using the standardized documentation and reconciliations. The CFO reported to the audit committee that tax compliance risk had been materially reduced, supported by clear evidence of strengthened controls and improved transparency. The external auditor also noted a higher level of confidence in the tax numbers.

Financial benefits emerged as well. Better visibility into tax positions allowed the group to optimize the use of tax losses and incentives, particularly in jurisdictions offering R&D credits and investment allowances. Radner’s team helped identify previously unclaimed incentives related to energy-efficient machinery and automation projects. These adjustments resulted in a lower effective tax rate and improved cash flow, which management reinvested in production capacity and digitalization initiatives.

Another important outcome was the alignment between tax reporting and business planning. With standardized tax packs and more reliable forecasts, the group could model the tax impact of planned investments, plant expansions and changes in supply chain structures. Radner’s team supported the finance function in integrating tax considerations into capital expenditure approval processes. This ensured that tax implications were assessed upfront rather than addressed reactively after decisions had been made.

From a governance perspective, the board gained a clearer view of tax risk. Radner’s team helped define key performance indicators for tax compliance, such as on-time filing rates, number of late payment penalties, and volume of unresolved tax authority queries. These metrics were incorporated into the group’s risk dashboard and reviewed regularly by the audit committee. The structured approach to tax risk monitoring strengthened the organization’s overall control environment.

Over time, the manufacturing group moved from a reactive, fragmented approach to a proactive, integrated tax compliance model. Radner’s team remained involved in a lighter-touch capacity, providing periodic reviews, updates on regulatory changes and support for complex transactions. The internal teams took ownership of day-to-day processes, confident in the clarity of roles, tools and controls. The transformation demonstrated that tax compliance and reporting, when managed strategically, can deliver not only risk reduction but also measurable financial and operational benefits.

For this industrial manufacturer, the journey highlighted that structured tax compliance is not merely about avoiding penalties. It became a lever for better data quality, stronger collaboration between local and group functions, and more informed decision-making. The combination of standardized processes, technology-enabled reporting and targeted training created a sustainable framework. Radner’s team showed that even in a complex, multi-jurisdictional environment, disciplined execution of tax compliance and reporting can restore control, enhance transparency and support long-term growth.