Trident handles your taxes, books, S-Corp, and payroll — so you can focus on running your business. Serving the San Francisco Bay Area and clients nationwide.
Book a Free Consultation See PricingStop juggling a tax preparer, a bookkeeper, and a payroll company. We bring it all together.
Individual, partnership, and S-Corp returns (1040, 1065, 1120-S) prepared with care and reviewed line by line — plus proactive planning so there are no April surprises.
Learn more →Clean, accurate books in QuickBooks Online. Transaction categorization, reconciliations, and monthly financial statements you can actually use.
Learn more →We form your S-Corp, set up payroll and reasonable compensation, and handle the ongoing compliance — so you keep more of what you earn.
Learn more →Owner payroll setup, quarterly filings, and W-2s handled — including the reasonable-salary analysis the IRS expects from S-Corp owners.
Learn more →We calculate your federal and California estimates each quarter so you never overpay or get hit with underpayment penalties.
Learn more →Got a letter from the IRS or California FTB? We respond on your behalf, resolve issues, and pursue penalty abatement where available.
Learn more →As a sole proprietor, every dollar of profit is hit with 15.3% self-employment tax. With an S-Corp election, you pay yourself a reasonable salary and take the rest as distributions — which aren't subject to self-employment tax.
We handle the entire process: entity review, S-election filing, payroll setup, bookkeeping, and the 1120-S return.
See If an S-Corp Fits You*Illustrative only. Actual savings depend on your income, reasonable salary, and additional payroll/compliance costs. We'll run your real numbers in a free consultation.
A 30-minute call to understand your business, your current setup, and where you're leaving money on the table.
No hourly billing surprises. You'll get a clear monthly price covering exactly what your business needs.
We clean up your books, set up QuickBooks Online, handle entity and payroll setup, and build your tax plan.
Monthly books, quarterly estimates, annual returns, and a tax pro you can actually reach when questions come up.
"Eugene moved me from a sole proprietorship to an S-Corp and the tax savings paid for his services several times over. Wish I'd done it years ago."
"My books were a mess of spreadsheets and shoeboxes. Now everything is in QuickBooks, reconciled monthly, and tax season was painless for the first time ever."
"I got an IRS notice that terrified me. Trident responded, got the penalty abated, and explained everything in plain English the whole way through."
Freelancers, consultants, gig workers, tech professionals with RSUs and equity, real estate investors, and small businesses — typically sole proprietors, LLCs, S-Corps, and partnerships. We're based in the SF Bay Area and work with clients nationwide.
It depends on your profit and what a reasonable salary is for your role. As a rule of thumb, S-Corps start making sense around $80,000–$100,000 of consistent net profit. We'll run your actual numbers — for free — before recommending anything.
Yes. Catch-up and cleanup bookkeeping is one of our most common engagements. We'll rebuild your books in QuickBooks Online, reconcile every account, and get you tax-ready — whether you're 3 months or 3 years behind.
Either. Many clients move everything to us for a single point of contact, but we're happy to collaborate with your existing bookkeeper and handle just the tax side.
QuickBooks Online for bookkeeping and Intuit ProConnect Tax for return preparation — they integrate directly, which means cleaner data and fewer errors on your return.
Book a free 30-minute consultation. We'll review your situation and show you exactly what you could save — no pressure, no obligation.
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