Global Controller

About Scope3 Scope3 operates the Interchange for agent-to-agent advertising — the place where brands and their agents discover, negotiate, and transact across every advertising surface that matters: social, CTV, audio, AI interfaces, sponsored intelligence, and those still emerging. Built on AdCP, the open protocol for agentic advertising, with governance, transparent pricing, and full auditability built into every transaction. Scope3 works with leading advertisers, agencies, publishers, and platforms globally, with teams across North America, Europe, and APAC. We’re a venture-backed company of 65 fully remote team members and are fortunate to be led by an experienced leadership team, many of whom designed and engineered the digital advertising landscape as we know it today. About the Role Reporting to the CFO, the Controller will serve as a strategic finance leader, driving the financial integrity and operational foundation behind a company redefining how global advertising works in the AI era. This leader will be responsible for all accounting operations, financial reporting, compliance, and treasury management, ensuring Scope3 scales with precision  as our agentic advertising platform experiences rapid growth. The ideal candidate brings deep expertise in marketplace or platform business models with experience managing complex revenue recognition, multi-currency operations, and international subsidiary compliance. For this position, we are looking to hire in the US, specifically located within Eastern Standard Time to optimize for global collaboration. Responsibilities: Oversee the company's month-end and quarter-end close process, ensuring accurate and timely financial reportingOwn consolidated financial reporting for internal stakeholders and external functions including investors, auditors, and regulatory bodiesManage the company's annual audit and coordinate preparation of federal and state tax returnsWork with third-party vendors to ensure statutory compliance of international subsidiaries across multiple jurisdictionsManage the company's treasury function including cash management, forecasting, and banking relationshipsOversee global payroll operations and ensure compliance with local regulationsCollaborate with functional leads to build out and refine budget reporting, variance analysis, and financial planning processesDevelop and maintain robust accounting policies, internal controls, and procedures to support the company's growth trajectoryPartner closely with FP&A, Legal, and Operations teams to support strategic initiatives and business expansionLead and mentor the accounting team, building capability and capacity as the organization scalesDrive continuous improvement in financial systems and processes, identifying opportunities for automation and efficiency Previous Experience: Bachelor's Degree in Accounting; active CPA license required10-15 years of progressive accounting and finance experience with significant time in a Controller or Assistant Controller roleScale-up or high-growth company experience required, preferably in enterprise adtech, marketplace, or platform businessesExperience working with and implementing financial systems including ERPs and billing systemsDemonstrated ability to scale operations with a lean team, focusing on people, process, and technology improvementsHands-on experience managing annual audits with national accounting firmsMarketplace or platform experience with understanding of transaction clearing and complex revenue recognitionExperience managing and consolidating legal entities across multiple jurisdictions with different functional currenciesExtensive knowledge of US GAAP and international accounting standardsStrong technical accounting skills with ability to research and document complex accounting treatments Preference may be given to candidates with the following: Advertising technology, media, or internet industriesUsage-based or consumption-based billing modelsASC 606 revenue recognition in complex, multi-element arrangementsWayfair ruling tax matters and nexus considerations for digital servicesWorking remotely in globally distributed startup environmentsTreasury management in multi-currency environments Our Culture & Values Transparency and shared learning. We believe in building and learning in public, embracing collaborative design, and ensuring knowledge flows freely across the organization. We have no gatekeepers—everyone has access to the information they need to do their best work and contribute to our collective growth.Clear and empathetic communication, especially while working asynchronously. We have always been a global, remote-first company and we collaborate using Notion, Miro, Slack, Loom, and other tools.We celebrate healthy conflict in the workplace; we focus on the solutions and we move on quickly.The ability and accountability to deliver what we promise. We do what we say we will do, and we don't make promises we can't keep.Experience driving systemic change. Our mission is to transform advertising for the AI era and this requires a holistic approach to re-imagining and inspiring an industry movement at a global scale. A Note To Applicants We believe that all people are capable of great things. We encourage you to apply even if you do not meet all of the requirements that are listed within this job description. Locations: Remote (United States)