Auctor

Auctor is building the AI layer for professional services and software implementation.

Developer tools and cloudY Combinator

Latest funding

$20M Series A · April 15, 2026

Led by Sequoia · Source: linkedin.com

Total raised: $20.5M* across 2 sourced rounds

All 2 rounds ↓

Website: getauctor.com.

X: @auctor · 1,301 followers.

LinkedIn: getauctor.

Category: Developer tools and cloud.

Sectors: B2B, Generative AI, SaaS, Productivity.

Stage: Series A.

Based in: New York City, United States.

Total raised: $20.5M* in 2 sourced rounds.

Last round: Apr 15, 2026 · 211 days ago.

Team: 30 people on the team page.

On Recent Funding since: Sep 28, 2026.

Signals

X account@auctor · created May 16, 2025 (18 months old) · 1,301 followers

Website registeredMar 1, 2025 (20 months old)

About Auctor

Think of us as the brain behind the best solution engineers, forward-deployed engineers, and onboarding teams— automating the documentation, the discovery, and the decision-making that powers $400B+ in services work.

TIMELINE · MONEY RAISED

Auctor | 410 days from website to first raise on record

@auctor·Raised $20M in 1 sourced round·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

April 15, 2026
Series A · $20M
SSequoia (lead)
Source: linkedin.com
May 16, 2025
X account created
March 1, 2025
Website created
Date unknown
Round · $500K*
YY Combinator
Source: ycombinator.com

Founders and team

WS
William Sun CEO / Co-Founder

LinkedIn · source: foundertrace.com
MB
Matthew Blackburn Co-Founder & CTO

LinkedIn · source: foundertrace.com
AS
Anthony Sky Ng-Thow-Hing Founder
SN
Sky Ng-Thow-Hing Co-Founder

LinkedIn · source: foundertrace.com
XR
Xinan Rahman Co-Founder

LinkedIn · source: foundertrace.com

Investors

Companies like Auctor

FFormaloo$2M Seed · Jul 2023
DDriver$8M Seed · Oct 2024
LLumiqSeries B+ · Jun 2026
FFirstWork$15M Series A · Oct 2026
OOsmosisSeries A · Jul 2026
NNorthslope$22M Series A · Jan 2026

Other companies backed by Sequoia

NNominal$240M Series B+ · Nov 2026
BBlockaid$40M Series B+ · Nov 2026
TTraversal$120M Series B+ · Nov 2026
TTrajectory$45M Series A · Nov 2026
SServal$150M Series B+ · Oct 2026
BBigEye$17M Series B+ · Oct 2026

Sequoia portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/auctor (get a free API key).