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  5. Finance & Bookkeeping

Your books. Accurate. Always.

Ossisto delivers outsourced accounting and bookkeeping services for small businesses, startups, and growing companies - so your finances are clean, current, and never the thing keeping you up at night.

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Accounting Experts
Accuracy & Compliance
High-Grade Data Security
Scalable Monthly Support
Virtual Assistant at Work
TRUSTED BY 500+ BUSINESSES WORLDWIDE
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Why Businesses Need Finance & Bookkeeping Support

Managing accounting & bookkeeping in-house can be challenging and time-consuming

Limited In-House Accounting Resources

Limited In-House Accounting Resources

Time-Consuming Bookkeeping Tasks

Time-Consuming Bookkeeping Tasks

Cash Flow Challenges

Cash Flow Challenges

Delayed Financial Reporting

Delayed Financial Reporting

Limited Financial Visibility

Limited Financial Visibility

High Accounting Costs

High Accounting Costs

Why choose Us

Delivering measurable value across every engagement.

500+Businesses served globally
15+Hours saved per client per week
4.9Average google rating
20+Industries supported

Complete accounting and bookkeeping services - under one roof.

From day-to-day transaction recording to month-end close and financial reporting, your dedicated bookkeeper handles it all - remotely, reliably, on time.

Daily Bookkeeping

Daily Bookkeeping

Transaction recording, categorization, and reconciliation - done daily so your books are never more than 24 hours behind.

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Accounts Payable & Receivable

Accounts Payable & Receivable

Invoice creation, payment tracking, vendor payments, and AR follow-up managed on your behalf. Cash flow stays healthy.

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Month-End Close

Month-End Close

Bank reconciliation, journal entries, balance sheet review, and P&L statements - closed accurately every month, on schedule.

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Payroll Processing

Payroll Processing

Accurate payroll runs, tax withholdings, direct deposits, and compliance filings handled every cycle without errors.

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Financial Reporting

Financial Reporting

Monthly management reports, cash flow statements, and KPI dashboards that give you a real picture of your business health.

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Tax Preparation Support

Tax Preparation Support

Organized, categorized books delivered to your CPA at year-end - clean, complete, and Tax-ready. No scrambling in April.

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E-commerce Bookkeeping

E-commerce Bookkeeping

Multi-channel revenue reconciliation, inventory tracking, COGS calculation, and platform-specific reporting for Shopify, Amazon, and more.

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SaaS & Startup Accounting

SaaS & Startup Accounting

MRR tracking, deferred revenue, burn rate reporting, and investor-ready financials - built for the way SaaS businesses actually work.

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How We Power Your Finance & Bookkeeping

How We Power Your Finance & Bookkeeping

A full-time bookkeeper costs $45,000–$65,000 per year, takes 6–8 weeks to hire, and still needs supervision, sick days covered, and software licensing. Outsourced bookkeeping and accounting services from Ossisto deliver the same - or better - output at a fraction of the cost.

  • 4×Lower cost vs. in-house full-time bookkeeper
  • 48h From sign-up to first books reconciled
  • 0 Long-term contracts or lock-in periods
  • 99%Accuracy rate across all client accounts
  • Dedicated specialist, not a rotating team
  • One bookkeeper who knows your accounts, matched to your software stack and industry
  • Pre-vetted - less than 10% acceptance rate.
AI workflow

AI-powered productivity, delivered by experts

We pair skilled virtual assistants with AI-powered tools to cut manual work and get more done, faster.

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We work in your tools, not ours.

Your VA shows up already fluent in your platforms. No ramp-up, no learning curve.

We work in your tools, not ours.
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How We Work

A streamlined process to deliver consistent results.

01
Understand
We understand your goals, challenges, and marketing needs.
02
Assign
We assign a trained marketing VA with the right skills and experience.
03
Execute
Your assistant executes tasks with accuracy, creativity, and consistency.
04
Optimize
We analyze performance and continuously optimize for better results.
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How We Work

Real words from real clients

Not marketing copy this is what our clients actually say.

David McKenzie
“Ossisto freed up fifteen hours a week for me. I went from drowning in emails to actually running my business.”David McKenzie
Cornerstone Engineering, LLC
Google
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John Mansker
“We scaled our e-commerce operation without hiring full-time staff. The flexibility was exactly what we needed at the right price point.”John Mansker
Ecommerce Operator
Google
StarStarStarStarStar
Sarah Jenkins
“The executive assistant matched to my account understood my industry tools from day one. Onboarding took less than 48 hours.”Sarah Jenkins
Apex Advisory Group
Google
StarStarStarStarStar
Michael Rodriguez
“Our customer support response times dropped by 70% within two weeks. Our Google reviews have never been higher.”Michael Rodriguez
Horizon Logistics
Google
StarStarStarStarStar
Emily Chen
“Handling bookkeeping and payroll used to take up my entire weekend. Ossisto handles it with total precision every month.”Emily Chen
BrightPath Education
Google
StarStarStarStarStar
Marcus Thorne
“As a solo law practitioner, having a dedicated paralegal assistant handles all case management and document prep flawlessly.”Marcus Thorne
Thorne Legal Services
Google
StarStarStarStarStar

Other Services We Offer

Specialists, not generalists matched to the work you actually need done.

Admin & Operations

Email, calendar, CRM, travel, and day-to-day admin.

Learn More →

Executive Assistance

Board prep, stakeholder comms, and strategic support.

Learn More →

Digital Marketing

SEO, social media, content, and paid ads.

Learn More →
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Frequently Asked
Questions

Questions worth answering before you sign up.

Yes - small businesses are Ossisto's primary customer. Our Essentials plan at $299/month is purpose-built for small businesses with straightforward needs: monthly reconciliation, P&L, accounts payable/receivable, and a year-end CPA-ready package. We understand that small businesses need professional-grade accounting without the overhead of a full-time hire, and that's exactly what we provide.
Ossisto plans start at $299/month for small businesses with up to $50k/month in revenue, and $549/month for the Growth plan (up to $250k/month). This compares to $45,000–$65,000 per year for a full-time in-house bookkeeper - meaning most Ossisto clients pay between 70–85% less for the same or better level of service. All plans are monthly with no contracts.
Yes. We can handle daily transaction recording, categorization, reconciliations, and other routine bookkeeping activities to keep your financial records accurate and up to date.
Yes. Our team can work with a range of accounting and financial platforms, including QuickBooks, Xero, Zoho Books, NetSuite, and other business-specific systems.
Yes. Our outsourced accounting services are flexible and can scale with your business, whether you need basic bookkeeping support or a complete accounting function.
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Ready To Scale Your Marketing Efforts?

Book a free consultation and discover how our virtual assistants can help you grow your brand and drive real results.

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Ossisto

Ready to take your business to the next level? Try Ossisto's Virtual Assistant Services starting from $10.99/hr

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  • 1378 S Central Pkwy, Mountain House, CA 95391, United States

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