How Is

FullSeam

Using AI?

Deploys AI agents that log into ERPs and banks to autonomously execute accounting workflows.

Using payment-invoice matching automation, contract interpretation for billing calculations, and anomaly detection with auto-reconciliation across financial systems.

Company Overview

Builds autonomous AI agents that log into ERPs, billing systems, and banking platforms to automate end-to-end corporate accounting: invoicing, cash application, reconciliation, and vendor bill intake.

Product Roadmap & Public Announcements

Expanding automated workflow coverage: AR, AP, cash application, reconciliation, contract reading, invoice calculation. Plug-and-play with NetSuite, SAP, QuickBooks, Sage, and CRMs. AI agents act as autonomous teammates.

Signals & Private Analysis

Agentic architecture with browser automation and API orchestration. RLHF for task execution. Deep financial document processing expertise from TaxProper. Stealth enterprise pilots likely. Seed round mid-2026.

FullSeam

Machine Learning Use Cases

Payment-Invoice Matching Automation
For
Cost Reduction
Operations

<p>AI agents autonomously match incoming payments to open invoices across ERPs and banking platforms, resolving discrepancies without human intervention.</p>

Layman's Explanation

An AI bot checks your bank account, figures out which customer paid which invoice, and updates your books automatically so your team doesn't have to.

Use Case Details

FullSeam's cash application agent connects directly to banking portals, ERP systems, and customer communication channels to ingest remittance data, parse unstructured payment references (e.g., email confirmations, bank memo fields, customer portal exports), and probabilistically match payments to outstanding invoices. The agent uses a combination of NLP-based document understanding to extract remittance details from varied formats, supervised classification models trained on historical match/exception patterns, and fuzzy matching algorithms that handle partial payments, overpayments, and multi-invoice remittances. When confidence is below a configurable threshold, the agent escalates to a human reviewer with a pre-populated recommendation and supporting evidence. Over time, reinforcement learning from human corrections improves match accuracy and reduces escalation rates. The system operates continuously, eliminating batch-processing delays and enabling real-time cash visibility for treasury teams.

Analogy

It's like having a tireless intern who opens every bank notification, cross-references it against every unpaid invoice, and updates the spreadsheet before you've even finished your morning coffee.

Contract Interpretation & Billing
For
Operational Efficiency
Data

<p>AI agents read and interpret customer contracts to automatically calculate, generate, and post invoices aligned with revenue recognition rules.</p>

Layman's Explanation

An AI reads your customer contracts, figures out what to bill and when, creates the invoices, and posts them to your accounting system—no human calculator needed.

Use Case Details

FullSeam's contract-to-invoice agent ingests signed customer agreements (PDFs, DocuSign exports, CRM attachments) and applies large language model-based extraction to identify billing schedules, pricing tiers, usage thresholds, discount structures, and revenue recognition triggers (e.g., ASC 606 performance obligations). The extracted structured data is validated against a business rules engine configured per client, then used to automatically calculate invoice amounts, apply taxes and adjustments, generate compliant invoice documents, and post them to the ERP general ledger. The ML pipeline includes fine-tuned transformer models for legal/financial document understanding, named entity recognition for monetary terms and date parsing, and anomaly detection that flags contracts with unusual or ambiguous terms for human review. As the system processes more contracts, active learning continuously improves extraction accuracy for client-specific contract templates and edge cases, reducing the need for manual configuration over time.

Analogy

It's like hiring a paralegal who speed-reads every contract, a mathematician who never miscalculates a proration, and an accountant who posts the journal entry—all rolled into one AI that never takes PTO.

Anomaly Detection & Auto-Reconciliation
For
Risk Reduction
Engineering

<p>AI agents continuously monitor GL transactions and flag reconciliation anomalies before month-end close, predicting mismatches and suggesting corrective entries.</p>

Layman's Explanation

An AI watches every transaction flowing through your books in real time, spots anything that looks wrong before the month ends, and tells your team exactly how to fix it.

Use Case Details

FullSeam's reconciliation agent operates as a continuous monitoring layer across general ledger, sub-ledger, bank, and intercompany accounts. Rather than waiting for month-end to begin reconciliation, the agent ingests transaction streams in near real-time and applies unsupervised anomaly detection models (isolation forests, autoencoders) trained on historical transaction patterns to identify statistical outliers—such as duplicate entries, missing accruals, unusual vendor payments, or timing mismatches between sub-ledgers. When an anomaly is detected, a classification model categorizes the likely root cause (e.g., duplicate posting, FX mismatch, cutoff error) and generates a recommended corrective journal entry with supporting documentation. The agent also builds a predictive model of expected account balances based on seasonality, business cycles, and historical trends, alerting teams to material variances days before close. Over successive close cycles, the system learns organization-specific patterns, reducing false positives and increasing the precision of its recommendations, effectively transforming month-end close from a reactive scramble into a proactive, continuously validated process.

Analogy

It's like having a smoke detector for your general ledger—instead of discovering the fire during month-end close, the AI smells smoke on day three and hands you the extinguisher.

Key Technical Team Members

  • Thomas Dowling, Co-Founder & CEO
  • Geoff Segal, Co-Founder
  • Aaron Coppa, Co-Founder & Head of Product

All three co-founders built, scaled, and exited TaxProper (acquired by Opendoor), giving rare end-to-end experience automating regulated financial workflows with ML plus YC alumni network.

FullSeam

Funding History

  • 2022: TaxProper acquired by Opendoor
  • 2025: FullSeam founded
  • 2026: Y Combinator W26 batch ($500K)
  • 2026: Early build/pilot phase

FullSeam

Competitors

  • AI Accounting: Vic.ai, Trullion, Docyt
  • Workflow: Numeric, Leapfin, FloQast
  • Legacy: Workiva, BlackLine
  • Horizontal Agents: Adept AI, Induced AI
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