SyntheticFi
SyntheticFi

SyntheticFi

DR34Ahrefs DR: 34/100. Below median. Measured by Ahrefs. Median 44.Agent46Agent Readiness: 46/100. Above median. Measured by StartupHub.ai. Median 41.Speed54Site Speed: 54/100. Below median. Measured by Google PageSpeed. Median 62.Trust68Data Trust: 68/100. Above median. Measured by StartupHub.ai. Median 61.

Fintech platform helping RIAs access low-cost, tax-efficient financing solutions for clients.

2023Active16San Francisco, USA

About

SyntheticFi provides financial advisors with securities-backed lending solutions, offering lower interest rates and greater tax deductibility compared to traditional lenders. This institutional-level lending empowers advisors to deepen client relationships and grow wallet share by providing a cost-effective borrowing option. The platform serves independent advisors and their clients, simplifying the lending process and delivering better financial outcomes.

Key facts

Website
syntheticfi.com
Headquarters
San Francisco, California, USA
Founded
2023
Employees
16
Total funding
$13M (Venture Financing)
Business model
B2B2C

Funding rounds

Funding rounds raised by SyntheticFi
DateRoundAmountLead investors
1 Jan 2023Venture Financing$13M

Tech stack

Detected on syntheticfi.com, last scanned 18 Oct 2026.

Analytics
Google Analytics 4
CMS / Builders
Framer
Email provider
Google Workspace

SyntheticFi scores 34. Does yours?

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Comments
(5)

5 reviews from Reddit gathered in one place

Reddit
r/fatFIREu/n3drudr3lyTJan 26, 2026PositiveReddit

It seems like box trade is best because it can be fixed for a few years vs variable with the others. (And I'd probably use syntheticfi since this is all new to me.) On boxtrades.com I saw a recent 5 year at 4.75%.

Reddit
r/fidelityinvestmentsu/toomuchtodotodayOct 31, 2025PositiveReddit

Feature Request: Web UX to Automate Modeling and Execution of Box Spreads. Title. Asking for Fidelity to support what https://www.syntheticfi.com/ enables, but within a Fidelity account. Many thanks to whomever gets this to a product team.

Reddit
r/boxtradesu/Aggravating_Hall_794Oct 29, 2025MixedReddit

A word of warning : SyntheticFi and BoxTrades calculate interest rates differently. BoxTrades uses a linear (non-compounding) interest rate method, which is highly inaccurate for longer duration spreads. SyntheticFi provides rates assuming…

Reddit
r/optionsu/Acrobatic-Painting-9Jul 2, 2025NegativeReddit

Hi I recently got really interested in box spreads as an alternative to margin lending. Then found syntheticfi ( u/tonyyanga ) as a way of placing the order without errors. Decided go experiment with borrowing $10k, which meant 1 box spread…

Reddit
r/ChubbyFIREu/rallymattJan 6, 2025MixedReddit

Anyone heard of SyntheticFi to automate box spreads?. I'm looking to access some capital against my portfolio. A financial advisor I talk with mentioned box spreads. I don't feel savvy enough to run the options myself and setup the box spre…

Each quote is copied word for word and links to where it was posted. Promotion and off-topic posts are filtered out.

Frequently asked

Is SyntheticFi trustworthy and reputable?

StartupHub's Data Trust & Reputation score for SyntheticFi is 68 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.

How much funding has SyntheticFi raised?

SyntheticFi has raised a total of $13M in funding. The most recent round on record is Venture Financing.

How many employees does SyntheticFi have?

SyntheticFi has approximately 16 people on record.

Public record

SEC filings, insider activity, nonprofit links and pay benchmarks for SyntheticFi