Abacus was founded by Brandon Sugarman in 2022.

Who are Abacus's investors?

Abacus's investors include Menlo Ventures, Alkeon Capital, Coatue Management, Index Ventures, Original Capital, Pear VC, Recall Capital, Ring Capital and 1 more.

How much funding has Abacus raised?

Abacus has disclosed $4.3M raised across 1 of its 5 known rounds.

Where is Abacus headquartered?

Abacus is headquartered in Birmingham, US.

Abacus

Birmingham, US · Founded 2022 · 11 known investors

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Abacus uses AI to extract data from complex tax documents including K-1s and state forms for U.S. accounting firms. The platform integrates directly into Excel to reduce manual data entry time during tax return preparation.

AI & Machine Learning Fintech

Founders & leadership

Abacus was founded in 2022 by Brandon Sugarman.

Brandon SugarmanFounder

Robert Todd AyersDirector of Manager

Clayton MobleyDirector, Manager and Managing Partner of Manager

Robert IsraelDirector and Managing Partner of Manager

William Henry Nabors, IIIDirector and Managing Partner of Manager

Christopher M. DevinePartner of Manager

Dan Hieu NguyenDirector and Managing Partner of Manager

Investors · 11

Menlo Ventureslisted by Menlo VenturesSan Francisco · $1M – $20Mvia Matt Murphy · led

How we know: Menlo Ventures's portfolio page · a partner's Signal profile · funding news · finance.yahoo.com · the VCSheet dataset · Not right? Tell us

Alkeon CapitalreportedNew York

How we know: techcrunch.com · Not right? Tell us

Coatue ManagementreportedNew York · $1M – $20M

How we know: funding news · techcrunch.com · Not right? Tell us

Index VenturesreportedSan Francisco · $540K – $10.8M

How we know: techcrunch.com · Not right? Tell us

Original CapitalreportedMiami

How we know: finance.yahoo.com · Not right? Tell us

Pear VCreportedSan Francisco · $150K – $4M

How we know: funding news · finance.yahoo.com · Not right? Tell us

Recall CapitalreportedSan Bruno · $300K – $1M

How we know: finance.yahoo.com · Not right? Tell us

Ring CapitalreportedParis · $540K – $16.2M

How we know: funding news · Not right? Tell us

Tiger Global ManagementreportedNew York · $1M – $100M

How we know: techcrunch.com · Not right? Tell us

Also in the syndicate · 2

Decibel VenturesIndex Partners

Funding

SEC filings, press & company announcements

$4.3M disclosed across 1 of 5 rounds · 2020–2026

Undisclosed amountseed fundingJul 2025
Menlo Ventures (lead), Original Capital, Pear VC, Recall Capital
Source ↗
Undisclosed amountSeries COct 2021
Tiger Global (lead), Alkeon Capital, Coatue, Index Ventures
Source ↗
Undisclosed amountSeries BNov 2020
Coatue (lead), Decibel Ventures, Index Partners
Source ↗

▶$4.3MraisedOct 2022 · 3 investors · Other

Rule 506(b)

Officers, directors & promoters on the filing

Robert Todd AyersDirector
Clayton MobleyExecutive Officer, Director
Robert IsraelExecutive Officer, Director
William Henry Nabors, IIIExecutive Officer, Director
Christopher M. DevineExecutive Officer
Dan Hieu NguyenExecutive Officer, Director
Abacus General Partners, LLCExecutive Officer, Director

Offering amount: $100M
Amount sold: $4.3M
Minimum investment: $26.9K
First sale: Sep 2022
Incorporated: Limited Liability Company, Delaware, 2022
Federal exemptions: 06b, 3C, 3C.1

Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Related companies · 4

AbacusaiAbacus.AI develops a generative AI platform with two offerings: ChatLLM, a multi-modal AI assistant for individuals and small teams, and Abacus.AI Enterprise, which provides AI automation, chatbots, and business process integration for large organizations. The platform serves enterprises and professionals across industries.

AbacustechnologyAbacus is a global managed IT and cybersecurity provider serving financial services and healthcare organizations in regulated industries. The company delivers secure technology services, infrastructure management, and incident response to protect performance and ensure compliance across 1200+ clients in 25 countries.

Go AbacusAbacus develops on-premise AI infrastructure for regulated industries, delivering secure enterprise AI with zero data egress and examiner-ready compliance for financial institutions. The platform processes millions of daily queries across banking, credit unions, and fintech operations.

Abacus InsightsAbacus Insights provides a unified data infrastructure platform that standardizes healthcare data across silos, enabling analytics and cost reduction for healthcare organizations.

Companies working in the same space as Abacus.

In the news

Abacus Raises $6.6M Seed Round to Build Agentic CPA Assistants for the Modern Accounting Firmfinance.yahoo.com · Jul 2025

Frequently asked questions

What does Abacus do?: Abacus uses AI to extract data from complex tax documents including K-1s and state forms for U.S. accounting firms. The platform integrates directly into Excel to reduce manual data entry time during tax return preparation.
Who founded Abacus?: Abacus was founded by Brandon Sugarman in 2022.
Who are Abacus's investors?: Abacus's investors include Menlo Ventures, Alkeon Capital, Coatue Management, Index Ventures, Original Capital, Pear VC, Recall Capital, Ring Capital and 1 more.
How much funding has Abacus raised?: Abacus has disclosed $4.3M raised across 1 of its 5 known rounds.
Where is Abacus headquartered?: Abacus is headquartered in Birmingham, US.