US Bookkeeping Services

Accurate. Scalable. Compliance-ready every month.

At Optimus Tax & Accounting LLP, we provide accurate, scalable bookkeeping services for US businesses and CPA firms. Our offshore-powered team maintains your financial records with precision — so your books are always clean, current, and audit-ready. We at Optimus excel in providing specialised bookkeeping services with subject-expert bookkeeping professionals handling your numbers.

Our Bookkeeping Services

01

Monthly Bank & Credit Card Reconciliations

  • Reconcile all bank and credit card accounts every month
  • Identify and resolve discrepancies promptly
  • Ensure accurate cash position at all times
02

Accounts Payable & Receivable Management

  • Track and record all incoming and outgoing payments
  • Monitor outstanding invoices and vendor bills
  • Maintain accurate aging reports for better cash flow control
03

General Ledger Maintenance

  • Record and categorize all financial transactions accurately
  • Maintain accurate chart of accounts
  • Ensure every entry is properly classified and documented
04

Financial Statement Preparation

  • Monthly Profit & Loss statements
  • Balance Sheet preparation
  • Cash Flow statements
  • Reports formatted and ready for CPA review
05

Accounting Software Management

  • QuickBooks, Xero, and other major platforms supported
  • Setup, cleanup, and ongoing maintenance
  • Data migration and software transition support
06

Year-End Bookkeeping Cleanup

  • Full review and cleanup of annual records
  • Adjusting entries for year-end close
  • Audit-ready books delivered on time every year
07

Payroll Recording & Support

  • Record payroll transactions accurately
  • Reconcile payroll accounts monthly
  • Support payroll tax reporting and compliance
08

Offshore Bookkeeping Support (for CPA Firms)

  • Dedicated offshore bookkeeping team for CPA practices
  • Seamless integration into your existing workflow
  • Scalable support — grow your client base without hiring

Specialized Bookkeeping Services

Vertical expertise across trust, legal, real estate, construction, non-profit, and e-commerce.

09

Trust Accounting & Fiduciary Bookkeeping

  • Dedicated bookkeeping for trust accounts and fiduciary entities
  • Accurate tracking of trust income, distributions, and expenses
  • Reconciliation of trust bank accounts and investment accounts
  • Fiduciary-compliant recordkeeping for CPA review and reporting
  • Support for simple, complex, and grantor trust bookkeeping
10

Law Firm Bookkeeping (U.S. Compliance Focus)

  • IOLTA trust accounting with strict three-way reconciliations (bank, client ledger, trust ledger)
  • Compliance with state bar and ABA trust accounting guidelines
  • Matter-wise accounting with client cost tracking and expense allocation
  • Retainer, advance fees, and unearned revenue tracking with proper recognition
  • Integration and reconciliation with legal practice tools (Clio, MyCase, PracticePanther)
  • Time & billing reconciliation with accurate revenue and WIP tracking
  • Settlement disbursement tracking and trust-to-operating transfers
  • 1099 reporting for legal vendors and subcontractors
  • Financial reporting by client, case, and practice area for partner insights
11

Real Estate & Property Management Bookkeeping

  • Income and expense tracking for rental and investment properties
  • Property-wise profit & loss statements
  • Security deposit tracking and reconciliation
  • Mortgage, HOA, and maintenance expense recording
  • CAM reconciliation support for commercial property managers
  • Portfolio-level financial reporting for real estate investors
12

Construction Contract Bookkeeping

  • Job costing and project-wise profit & loss tracking
  • Progress billing and contract revenue recognition
  • Subcontractor payment tracking and 1099 preparation
  • WIP (Work-in-Progress) schedule maintenance
  • Retainage tracking and reconciliation
  • AIA billing support and construction-specific reporting
13

Non-Profit Accounting & Bookkeeping

  • Fund accounting and program-wise expense tracking
  • Grant income recording and restricted fund management
  • Form 990 preparation support and compliance
  • Donor contribution tracking and acknowledgment records
  • Board-ready financial statements and budget variance reports
14

E-Commerce Bookkeeping

  • Multi-platform sales reconciliation — Amazon, Shopify, eBay, Etsy
  • Payment gateway reconciliation — Stripe, PayPal, Square
  • Inventory tracking and COGS calculation
  • Sales tax compliance across multiple states
  • Seller fee and refund tracking and categorization
  • Monthly financial reports tailored for e-commerce businesses

Cryptocurrency Accounting & Tax Compliance

Full-service crypto financial management — from transactions to tax filing.

BTC
ETH
BNB
SOL
USDT
USDC
DeFi
NFTs
01

Crypto Bookkeeping & Recordkeeping

  • Complete transaction-level recording across all wallets and exchanges
  • Binance, Coinbase, Kraken, Gemini, and all major exchange support
  • DeFi, staking, yield farming, and liquidity pool transaction tracking
  • NFT purchase, sale, and royalty income recording
  • Cross-wallet and cross-exchange reconciliation
  • Cost basis tracking — FIFO, LIFO, HIFO, and Specific ID methods
02

Crypto Tax Compliance (IRS & Federal)

  • Crypto classified correctly — capital gains vs. ordinary income
  • Short-term and long-term capital gains calculation and reporting
  • Form 8949 and Schedule D preparation for all crypto disposals
  • Mining and staking income reported as ordinary income per IRS guidance
  • Airdrops, hard forks, and referral bonus tax treatment
  • Wash sale rule monitoring and tax-loss harvesting support
  • FBAR and Form 8938 reporting for offshore exchange holdings
  • FinCEN compliance for high-volume crypto transactions
03

Crypto Advisory & Tax Planning

Year-round guidance — entity structuring, audit defence, and integration with the major crypto tax tools your clients already use.

  • Year-round crypto tax planning to minimize liability
  • Entity structuring advice for crypto-active businesses
  • IRS audit support and crypto transaction documentation
  • Latest IRS guidance and regulatory updates applied to every filing
  • Integration with crypto tax software — CoinTracker, Koinly, TaxBit, Crypto.com Tax
Why Optimus

Why choose Optimus?

  • Clean, accurate books delivered every single month — no delays.
  • US-compliant processes and reporting standards throughout.
  • CPA-supervised quality control on all bookkeeping work.
  • Secure file sharing and encrypted data handling at every step.
  • Dedicated team — same people, consistent quality, every month.
  • Competitive offshore pricing without compromising on quality.
  • Scalable support that grows alongside your business.
Who Is This For

Who is this for?

  • Small & medium US businesses needing reliable monthly bookkeeping
  • CPA firms looking to offload bookkeeping to a trusted partner
  • Real estate investors and property management companies
  • Non-profit organizations needing fund accounting support
  • Construction companies needing job costing and WIP tracking
  • E-commerce sellers on Amazon, Shopify, and multi-platform stores
  • Crypto investors, traders, DeFi participants, and NFT creators
  • Businesses and individuals with complex crypto portfolios needing full IRS compliance
  • Startups needing clean books from day one
  • Growing companies needing scalable financial support
Get Started

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