Financial Controller

About Venari Security

Venari Security Limited is a UK cybersecurity technology company focused on cryptographic visibility and post-quantum security readiness. Its technology helps organisations identify and manage encryption-related risks across cloud, on-premises and containerised environments.

The Senior Financial Controller will have overall responsibility for the integrity, accuracy and timely delivery of Venari Security's financial information. Reporting to the Chief Operating Officer, the role will provide hands‑on ownership of the company's accounting records, management reporting, statutory compliance, payroll, taxation, company secretarial matters and cap table administration.

The successful candidate will oversee the external bookkeeping provider and coordinate effectively with auditors, tax advisers, legal advisers, payroll providers and other professional service firms. This is a broad, commercially focused position suited to an experienced financial controller who is comfortable operating independently within a growing technology business.

• Take overall ownership of the company's financial records and reported financial results.
• Maintain an effective financial control environment appropriate for a growing technology company.
• Lead the monthly, quarterly and annual financial close processes.
• Prepare accurate monthly management accounts, including the income statement, balance sheet, cash flow statement and supporting analysis.
• Prepare and review balance sheet reconciliations, ensuring that reconciling items are investigated and resolved promptly.
• Maintain the general ledger and ensure transactions are recorded accurately and consistently.
• Monitor expenditure against budgets and provide clear explanations of material variances.
• Produce financial information and analysis for the COO, Chief Executive Officer, Board and investors.
• Maintain appropriate accounting policies, procedures and financial controls.
• Support budgeting, forecasting, cash flow management and financial planning activities.

• Act as the principal owner and administrator of the company's Xero accounting system.
• Maintain the chart of accounts, tracking categories, user permissions and financial reporting structure.
• Ensure that bank accounts, payroll records, supplier balances, customer balances and other control accounts are reconciled regularly.
• Review the quality and accuracy of transactions processed by the external bookkeeping provider.
• Ensure that supporting documentation is retained and attached appropriately within Xero or the company's document management system.
• Develop efficient and scalable accounting processes, including suitable integrations with payroll, banking, expense and reporting systems.

• Manage the relationship with the company's external bookkeeping provider.
• Establish clear monthly timetables, responsibilities and service standards.
• Review bookkeeping output for accuracy, completeness and compliance with the company's accounting policies.
• Ensure supplier invoices, expenses, bank transactions, accruals, prepayments and journals are processed correctly.
• Resolve technical accounting or transaction-processing issues escalated by the bookkeeping team.
• Review supplier payment runs before they are submitted for approval.
• Ensure appropriate segregation of duties is maintained between transaction preparation, review and payment approval.

• Lead the preparation of the company's annual statutory financial statements in accordance with applicable UK accounting standards and the Companies Act 2006.
• Prepare or coordinate year‑end accounting schedules and supporting audit documentation.
• Manage the relationship with the company's independent accountants.
• Act as the principal finance contact during any year‑end audit or accounts preparation process.
• Respond to queries and ensure agreed adjustments and recommendations are implemented.
• Ensure statutory accounts are approved and filed within the required deadlines.

• Prepare or oversee the preparation of corporation tax computations and supporting…