Automates document and spreadsheet workflows natively inside Microsoft Office and Google Workspace.
Using financial model automation with multi-sheet reasoning, branded slide generation from templates, formula auditing, and bulk document intelligence.

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Enterprise Productivity
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YC W26

Last Updated:
March 19, 2026

Builds native AI-powered automation add-ins for legacy enterprise software like Microsoft Office and Google Workspace, enabling teams to automate document, spreadsheet, and presentation workflows using proprietary machine learning models with enterprise-grade, local-first security.
o11 has publicly announced native add-ins for Microsoft PowerPoint, Excel, Word, and Google Workspace (Sheets, Docs, Slides), with bulk document processing, formula generation, and branded presentation automation. They've detailed their "Slide Engine" and COM-native architecture, enterprise SSO, and zero-retention LLM policies. Roadmap signals point toward deeper financial modeling automation and expanded Google Workspace parity.
Behind the scenes, o11 appears to be investing heavily in proprietary model development for structured document understanding (spreadsheets, slides, financial filings). GitHub and hiring signals suggest work on multi-sheet reasoning engines, automated error auditing, and agentic document pipelines. Y Combinator backing and LeapYear involvement hint at upcoming fundraising activity and potential enterprise pilot expansions in finance and consulting verticals. There are also indicators of on-premise/VPC deployment options being built out for regulated industries.
<p>Automates the creation of complex financial models in Excel and Google Sheets by extracting and structuring data from unstructured sources like 10-K filings.</p>
Instead of spending hours copying numbers from SEC filings into spreadsheets, AI reads the documents and builds the financial model for you.
o11's financial model generation capability uses proprietary ML models to parse unstructured financial documents (e.g., 10-K and 10-Q filings, earnings reports) and automatically populate multi-sheet Excel or Google Sheets workbooks with context-aware formulas, linked references, and scenario-ready structures. The system understands accounting relationships, builds array formulas across sheets, and links assumptions to outputs—all within the native spreadsheet environment. This eliminates the tedious and error-prone process of manually transcribing data from PDFs into models, enabling analysts to focus on interpretation and decision-making rather than data entry. Enterprise-grade security ensures that sensitive financial data is processed locally or via zero-retention endpoints.
It's like having a junior analyst who can read a 200-page annual report and build a perfectly linked three-statement model before you finish your morning coffee.
<p>Generates and formats professional, brand-compliant PowerPoint and Google Slides presentations from natural language prompts and data inputs.</p>
Instead of spending hours formatting slides to match your company's brand guidelines, AI builds polished, on-brand presentations instantly from a simple prompt.
o11's Slide Engine is a proprietary AI system built as a native add-in for PowerPoint and Google Slides that generates fully editable, brand-compliant presentations from natural language instructions or structured data. Unlike generic AI slide tools that produce static or image-based outputs, o11 manipulates the actual slide object model—shapes, text boxes, charts, themes, and layouts—ensuring every element is editable and adheres to the organization's brand standards. Users can input data from linked Excel sheets or describe the narrative they want, and the engine produces decks with editable charts, consistent typography, and proper formatting. This is especially valuable for consulting firms, finance teams, and sales organizations that produce high volumes of client-facing materials under strict brand guidelines.
It's like having a graphic designer who lives inside PowerPoint, reads your mind, and never forgets the brand guidelines.
<p>Generates context-aware spreadsheet formulas from natural language and audits existing workbooks for formula errors, broken references, and inconsistencies.</p>
AI writes your spreadsheet formulas from plain English and then double-checks the entire workbook for mistakes you might have missed.
o11's formula generation and auditing system uses proprietary ML models that understand the full context of a workbook—including multiple sheets, named ranges, data types, and inter-cell dependencies—to generate accurate formulas from natural language requests. Beyond creation, the system performs comprehensive audits of existing workbooks, scanning for broken references, circular dependencies, hardcoded values in formula ranges, and logical inconsistencies. This is critical for finance and operations teams where a single formula error in a complex model can cascade into material misstatements. The tool operates natively within Excel and Google Sheets, providing inline suggestions and error highlights without requiring users to leave their workflow. All processing respects enterprise data policies with local-first indexing and zero-retention external calls.
It's like having a spreadsheet proofreader with photographic memory who catches the one broken VLOOKUP hiding in cell Z4782 of your 50-tab workbook.
<p>Processes thousands of documents simultaneously, extracting insights and generating outputs with direct citations back to source materials.</p>
Instead of reading hundreds of documents yourself, AI reads them all at once and gives you the key insights with exact page references.
o11's bulk document processing capability allows enterprise teams to upload and analyze thousands of documents simultaneously—contracts, reports, filings, memos—and extract structured insights, summaries, comparisons, and answers to specific queries. What sets this apart from generic document AI is the direct citation tracking: every insight, data point, or claim generated by the system is linked back to the exact source document and passage, enabling full auditability and trust. This is invaluable for due diligence teams, legal review, regulatory compliance, and strategic research where provenance of information is non-negotiable. The system operates within the familiar Microsoft Word and Google Docs environment, and outputs can be formatted as reports, tables, or briefing documents. Enterprise security ensures that sensitive document collections are processed under strict data residency and zero-retention policies.
It's like hiring a team of 100 research assistants who can read an entire data room overnight and hand you a perfectly footnoted summary by morning.
o11's unfair advantage is its deep native integration directly into the object models of Microsoft Office and Google Workspace,manipulating shapes, formulas, themes, and data ranges at the COM/API level,rather than wrapping a generic LLM around a chat interface, giving it unmatched fidelity and workflow continuity inside the tools enterprises already use.