NOW SERVING BUSINESSES NATIONWIDE

Get Paid, Today.

Fast, flexible Invoice Factoring from ONYX Capital Partners. Unlock working capital in as little as 24 hours.

Trusted by growing businesses across the U.S.

24hrs
Average time to funding
Up to 90%
Advance rate on invoices
1800+
Invoices funded
50
States served
Staffing & Recruiting Trucking & Logistics Manufacturing Construction Wholesale & Distribution Government Contracting Healthcare Services Security & Janitorial Oil, Gas & Energy Services

Established 2022

Professional capital solutions for serious businesses.

ONYX Capital Partners is an event-driven private firm focused on providing creative and flexible financing solutions. We specialize in Invoice Factoring (Accounts Receivable Financing) and other tailored funding products for companies with market capitalizations under $1 billion.

Our Solutions

Flexible financing built for your business.

We focus first on Invoice Factoring — the fastest path to working capital.

FLAGSHIP PRODUCT

Invoice Factoring

Sell your outstanding invoices for immediate cash. Get up to 90% advance within 24 hours. No debt. No collateral. Just working capital when you need it.

  • Fast approval
  • No minimums
  • Recourse & non-recourse options
Apply for Invoice Factoring

Most businesses funded within 24 hours

Merchant Cash Advance

Customized funding linked to future receivables. Fast capital without traditional loan structures.

Business Term Loans

Fixed-term financing for specific investments or growth initiatives. Predictable payments.

Business Lines of Credit

Flexible access to capital up to $1M+. Draw only what you need, when you need it.

Short Term Business Loans

Quick access to lump sum funding with repayment terms under 18 months.

Equipment Financing

Finance 100% of essential equipment — vehicles, machinery, technology, and more.

Refinancing & Consolidation

Refinance existing debt or consolidate multiple obligations into one simpler, more manageable solution.

Simple Process

How Invoice Factoring Works

Four straightforward steps to get the capital you need.

  1. 1

    Submit Your Invoices

    Upload your outstanding invoices through our secure portal or email.

  2. 2

    Quick Verification

    We verify the invoices and your customers. Most approvals happen the same day.

  3. 3

    Receive Your Advance

    Get up to 90% of the invoice value wired directly to your account within 24 hours.

  4. 4

    Balance Paid Out

    Once your customer pays, we release the remaining balance minus our transparent fee.

Ready to get started? Apply now

Estimator

See what your invoices are worth today.

Move the slider to model an advance. Numbers update instantly.

$250,000
$10k $2M
Advance rate

You could receive today

$225,000

Estimated factoring fee
$6,250
Fee rate at this volume
2.5%
Released when your customer pays
$18,750
Apply with these figures

Illustrative estimate only — not an offer of credit or a quote. Advance rates and fees are set case by case and depend on your customers' credit, invoice terms, industry, and underwriting. Your actual terms will be confirmed in writing before anything is signed.

The ONYX Difference

Why growing businesses choose ONYX.

Lightning Fast Funding

Most clients receive funding in under 24 hours after approval.

Transparent & Honest

No hidden fees. Clear terms. We explain everything upfront.

Dedicated Relationship Manager

You work with a real person who knows your business — not a call center.

Secure & Confidential

Bank-level security. Confidential arrangements available so your customers are never notified.

Let's Get Started

Apply for Funding Today

Fill out the form below and a funding specialist will contact you shortly.

We typically respond within 2 business hours on normal business days.

Ready to unlock your working capital?

Join the businesses that trust ONYX for fast, reliable invoice factoring.

Apply for Funding Now