San Francisco Fractional CFO Directory

Top Fractional CFO and Strategic Finance Advisors in San Francisco, CA

TL;DR

Fractional CFO and strategic finance advisors in San Francisco, CA ordered by mandate fit: the company stages each firm actually serves, the work it takes on, and whether a senior operator does the work. AI visibility is measured and shown for every firm. Fundraising readiness, board reporting, cash and runway planning, interim CFO.

We checked 12 firms that advertise fractional or outsourced CFO work in San Francisco, verified 7 against their own websites, and ordered the top 7 by mandate fit: the company stages each firm serves, the work it takes on, and whether a senior operator does the work. Measured AI search visibility is published beside every firm.

San Francisco founders hire a fractional CFO for three reasons more than any other: a raise is coming, the board wants real reporting, or cash is tighter than the bank balance suggests. The firms on this page cover all three, at different company stages.

Get Matched With a Fractional CFO in San Francisco →
Updated Sept 2026
By ProCloser Research
12 checked, 7 selected
10 prompts tracked
San Francisco Market Overview

Fractional CFO and Strategic Finance Advisors in San Francisco

Fractional CFO work in San Francisco ranges from a few days a month of senior finance leadership for a startup to a full interim CFO seat during a transaction. The firms below include venture-focused outsourced finance teams, multi-CFO practices serving mid-sized private companies, and principal-led strategic finance advisors who also handle capital decisions and deals.

10
Buyer questions asked, two AI engines
20
AI answers read, September 2026
7
Answers naming a firm on this list
4
Questions where no listed firm was named

Financial Executives International (financialexecutives.org) is the main national network for finance leaders; ask any firm you shortlist for a founder reference at a similar stage to yours.

Financial Executives International (financialexecutives.org)

How We Order This List

What sets the order, and what the measured score does and does not tell you

We reviewed 12 firms that advertise fractional or outsourced CFO work in San Francisco and ordered this list by mandate fit: the company stages each firm actually serves, the work it takes on, and how directly a senior operator does the work. That is why a venture-focused outsourced finance team and an independent principal-led practice can sit near each other here. The measured AI visibility figure sits alongside that judgment rather than replacing it, and it rewards firms that have been publishing longest, not the ones that fit a given company best. No firm paid for its position on this page. ProCloser may have, or enter into, referral relationships with firms covered on this site; see our Advertiser Disclosure.

Signal 1 · Measured

AI Visibility Score

The share of AI answers naming each firm when we ask 10 fractional CFO questions about San Francisco across Google AI Mode and ChatGPT (20 answers, September 2026). It measures published reach, so long-established platforms score highest and a newer independent practice scores low even when the mandate fit is strong.

Signal 2 · Measured

Review Score

Aggregate ratings across Google and the ProCloser.ai verified review system. Firms working with a small number of private companies under confidentiality often carry no public reviews at all, and we show that as "No reviews yet" rather than penalizing it.

Signal 3 · Editorial

Mandate Fit

What each firm actually does: the company stages it serves, whether it handles fundraising readiness, board reporting and capital decisions or only monthly close, and whether a senior operator does the work. This is our judgment, informed by each firm's own published record, and it is what sets the order above.

Top 7 Fractional CFO Advisors in San Francisco, CA

1
Finvisor
Serves San Francisco, CA
5%
AI Visibility
No reviews yet
Founded 2014Est. 2014600+ companies served

San Francisco back-office and CFO advisory firm founded in 2014 at 48 2nd Street, 4th Floor, with 40+ team members and more than 600 companies served. Provides CFO advisory and financial strategy alongside accounting, compliance, payroll, HR and benefits, accounts payable and receivable, and R&D tax credit recovery for startups and growth companies. Clients have raised more than $500 million in aggregate.

Which advisors help founders with financial modeling, board reporting and cash planning in San Francisco?
Fractional CFOStartup AccountingR&D Tax Credits
2
Frank, Rimerman + Co. LLP
Serves San Francisco, CA
0%
AI Visibility
No reviews yet
Venture-backed company specialist1,000+ client engagements

Bay Area accounting and advisory firm with a San Francisco office at One Embarcadero Center, Suite 2410, providing fractional accounting, controller and CFO advisory services to early and mid-stage venture-backed companies. Services include technical accounting, software implementation, operational reporting, FP&A and business advisory, with more than 20 years of focus on Silicon Valley startups and more than 1,000 client engagements.

Not yet named in the tracked prompts
Fractional CFOTechnical AccountingFP&A
3
CRI CFO Hub
Serves San Francisco, CA
0%
AI Visibility
No reviews yet
Fractional CFO and controllerGovernment contractor compliance

Fractional CFO, controller and accounting-operations firm with a San Francisco office at 95 3rd Street, 2nd Floor, operating as a division of Carr, Riggs and Ingram Capital. Provides outsourced CFO and controller leadership, month-end close, government contractor accounting and DCAA compliance, audit and due diligence readiness, R&D tax credit services, finance staffing, and outsourced HR and payroll administration.

Not yet named in the tracked prompts
Fractional CFOController SupportDCAA Compliance
4
NOW CFO
Serves San Francisco, CA
10%
AI Visibility
No reviews yet
Hourly ratesNo long-term contract required

National outsourced accounting firm with a San Francisco office at 465 California Street, Suite 700, providing CFO, controller, accounting and bookkeeping services billed hourly with no hidden fees and no long-term contracts. Serves technology, software, social and digital media, life sciences and biotech companies at the CFO, controller and staff accountant levels.

Best outsourced CFO for a $5M to $50M revenue business in San FranciscoWhich firms offer outsourced CFO services in San Francisco?
Outsourced CFOControllerBookkeeping
5
BPM
Serves San Francisco, CA
0%
AI Visibility
No reviews yet
San Francisco Financial DistrictCFO services and finance transformation

San Francisco CPA and advisory firm with its main office at One California Street, Suite 2500, in the Financial District. Provides fractional and outsourced CFO services, outsourced controller services, finance transformation and financial planning and analysis through its advisory division, alongside full audit, tax and assurance for Bay Area growth companies.

Not yet named in the tracked prompts
CFO ServicesFP&AFinance Transformation
6
SD Mayer
Serves San Francisco, CA
5%
AI Visibility
No reviews yet
Outsourced CFO and controllerPart of Springline

Full-service accounting and consulting firm at 235 Montgomery Street, 26th Floor, in San Francisco's Financial District, operating as part of Springline. Provides outsourced CFO and controller services through its Client Accounting and Advisory Services division, alongside tax, audit and wealth management for Bay Area companies of all sizes.

Best outsourced CFO for a $5M to $50M revenue business in San Francisco
Outsourced CFOControllerTax and Audit
7
Pilot
Serves San Francisco, CA
20%
AI Visibility
No reviews yet
San Francisco headquartersBookkeeping, tax and CFO services

San Francisco-headquartered back-office services firm at 353 Sacramento Street, Suite 1900, providing bookkeeping, tax preparation, CFO services, stock administration and R&D tax credit recovery for startups and small businesses. Offers Startup Booster and SMB Booster packages alongside on-demand CFO services for companies that need financial strategy and planning support without a full-time hire.

Who are the best fractional CFOs in San Francisco?Best fractional CFO firms for startups in San FranciscoBest fractional CFO for a company preparing to fundraise in San Francisco
CFO ServicesBookkeepingStartup Back-Office

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Tell us what you need. Aaron reads every request and introduces you by email to one firm from this list whose work fits your stage, usually within one business day. No fee to you for the introduction.

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Fractional CFO Market Overview: San Francisco, CA

The right engagement depends on why you need a CFO now. A company heading into a raise needs the model, the data room and the narrative. A company with a new board or investors needs reporting that holds up. A company with a cash problem needs a thirteen-week cash view and a plan. Use the table to match the engagement type to the problem.

Engagement typeWhat it covers
Fractional CFO, ongoingA set number of days per month of senior finance leadership: forecasting, KPIs, board and investor reporting, banking and cash management
Fundraising readinessDriver-based model, unit economics, investor narrative and materials, data room, term sheet review
Interim CFOA full seat for a defined period, typically through a transaction, a leadership gap or a restructuring
Strategic finance projectsPricing, capital plan, debt or equity decisions, corporate development, scenario planning
Outsourced finance functionCFO leadership layered over controller and bookkeeping delivered by the same firm

Regulatory and Licensing Environment

No license is required to act as a CFO or fractional CFO in most states. The CPA credential is separate, regulated by the state's board of accountancy, and matters if you need attest work or a firm that signs as your accountant, which most fractional CFO engagements do not include. Two practical points apply to San Francisco companies. A fractional CFO who also raises capital for a success fee steps into broker-dealer territory, so ask how the firm charges for that work. And worker classification rules in many states mean a long-running, exclusive individual engagement should be papered as a business-to-business contract with a firm, which every firm on this page is.

Fractional CFO Fees in San Francisco, CA

Fractional CFO pricing in San Francisco follows three patterns. 1 of the 7 firms on this page publish anything about fees on their own websites; the rest quote on request.

Fee structureWhere you see it
Monthly retainer for a set number of days or hoursOngoing fractional CFO engagements at most firms on this list
HourlyPrincipal-led strategic finance advisors and short diagnostic engagements
Flat project feeFundraising readiness packages, models and board reporting builds

Ask what a month actually includes: days on site or on calls, who prepares the numbers, and whether controller and bookkeeping work is in the fee or billed separately. Two firms quoting the same monthly figure can be delivering very different amounts of senior time.

How to Choose a Fractional CFO in San Francisco, CA

  • Match the stage: a firm built for venture-backed startups runs on different tools and rhythms than one serving a $20M family-owned manufacturer. Every firm on this page publishes who it serves, and the honest ones say who they do not.
  • Ask who does the work: the person in the pitch and the person on your weekly call are not always the same. Ask for the name of your CFO, their operating background, and how many companies they carry at once.
  • Ask for the deliverables list: a monthly package should name the reports, the forecast cadence and the board materials. If the firm cannot list them, it is selling time rather than outcomes.
  • Check the capital work separately: if you expect the CFO to help raise money, ask whether that is included, how it is charged, and whether the firm is registered to take a success fee. Most are not, and most do not need to be.

Frequently Asked Questions

Common questions about hiring a fractional CFO in San Francisco, CA.

What is the difference between a fractional CFO, an interim CFO and an outsourced CFO?+−
A fractional CFO gives you part of a senior finance leader's time on an ongoing basis, usually a set number of days a month. An interim CFO fills the full seat for a defined period, often through a raise, a sale or a leadership gap. An outsourced CFO service usually bundles that leadership with the controller and bookkeeping layer underneath it. The firms on this page publish which of these they offer.
When should a San Francisco startup hire a fractional CFO?+−
The common triggers are a raise in the next six to twelve months, a new board or institutional investor that expects real reporting, or a cash position that needs a proper forecast. Before those points a strong controller and a good bookkeeper are usually enough. After them, the cost of getting the numbers wrong in front of investors exceeds the cost of the CFO.
What does a fractional CFO do before a fundraise?+−
Builds or rebuilds the driver-based financial model, cleans up historical numbers so they reconcile, defines the unit economics and KPIs investors will ask about, prepares the data room, and pressure-tests the narrative and the ask. Some also help negotiate terms. Very few act as the placement agent, and the ones that do should be registered for it.
Does a fractional CFO replace my bookkeeper or controller?+−
No. A CFO sets strategy, owns the forecast and speaks to the board, bank and investors. A controller closes the books and owns the accounting. A bookkeeper records transactions. Some firms on this list provide all three layers as a package, and others expect you to keep your existing accounting team. Ask which model you are buying.
How is this San Francisco fractional CFO list ordered?+−
ProCloser.ai orders this list by mandate fit: the company stages each firm actually serves, the work it takes on, and whether a senior operator does the work. One measured signal, an AI visibility score, is published beside every firm and informs the order rather than setting it. The list was verified against each firm's own website in September 2026.

Reviewed by: ProCloser Research  |  Last Updated: September 2026  |  Sources: each firm's own website, FINRA BrokerCheck, SEC IAPD, ProCloser.ai AI-answer sampling (20 answers across Google AI Mode and ChatGPT, September 2026).

Is Your Firm Not Listed?

If your firm provides fractional CFO or strategic finance work in San Francisco and is not on this page, apply to be listed. Every firm here was verified against its own website, and we add firms that meet the same bar.