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United States accounting and tax outsourcing for CPA and EA firms and tax attorneys

La Comptabilité prepares books, tax workpapers and review packs behind CPA firms, EA practices and tax attorneys.

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UNITED STATES

US practice support

  • Books to tax1040 · 1120-S · 1065 · 1120
  • Payroll seasonW-2 / 1099 workpapers
  • Your CPA or EATax decisions and filing

Local advice and filing remain with the authorised professional.

ISO/IEC 27001:2022 Certified: Information Security Management
ISO/IEC 27001:2022 certified
AICPA SOC 3
AICPA SOC 3
20 years of experienceAccounting and tax support
100+Trusted by 100+ accounting professionals
7 regionsUSA · Canada · UK · Australia · New Zealand · Singapore · GCC

Our outsourced accounting support for United States brings the agreed books, tax workpapers and reporting schedules together. We provide outsourced bookkeeping for CPA firms, EA practices and tax attorneys, with scope and local responsibilities set out below.

UNITED STATES

Services for US CPA, EA and tax attorney firms

Built around IRS and state deadlines, multi-state sales tax and the forms your firm files.

Responsibilities

Who prepares, reviews and files.

For US CPA firms, EA practices and tax attorneys assigning bookkeeping, tax workpapers and year-end preparation.

The responsible US firm directs tax positions, taxpayer consents, signing and filing. Return information is processed in India only under the engagement’s approved instructions and applicable section 7216 consents.

QUALITY CONTROL

Every file is reviewed twice before it reaches you.

Two accountants work on every file - one prepares it, a senior reviews it - and the handoff pack shows exactly what was checked. Your data stays in your systems.

  1. 1

    Preparation

    Accountant 1

    An accountant posts the work with source references, reconciliations and working papers for every balance.

  2. 2

    Senior review

    Accountant 2

    A second, senior accountant reviews the file against our QC checklist and clears or lists every open item.

  3. 3

    Handoff pack

    To your firm

    You receive review notes, proposed entries and a handoff checklist. Your firm approves tax positions, client advice and the final filing.

Work is reviewed inside your software under your access controls. We do not sign, file or contact your clients.

HOW WE WORK

From first call to live work in three weeks.

  1. 1

    Discovery call

    30 minutes

    Output: fit check and the entities in scope.

  2. 2

    Scope and SOW

    48 hours

    Output: signed scope, SLA and fixed pilot fee.

  3. 3

    Secure access

    3 days

    Output: access set up in your software; IRC 7216 consent kit.

  4. 4

    Pilot delivery

    10 business days

    Output: one entity’s review pack - reconciliations, proposed entries, review notes, handoff checklist.

  5. 5

    Go-live

    Week 3 onward

    Output: dedicated seat or per-return; weekly call and escalation matrix.

Every file is reviewed twice before it reaches you. Your firm approves tax positions, client advice and the final filing.

The timeline assumes complete records and authorised access. The signed scope sets the actual dates and any dependencies.

Start a 10-day Pilot

US tax information

IRC section 7216.

The CPA firm must obtain and retain applicable taxpayer consents before overseas disclosure. Access, tool processing and retention must match the approved engagement instructions.

IRS information center. Checked 19 October 2026.

SOFTWARE

Software we work in

Bookkeeping and invoices

Digits
QuickBooks DesktopQuickBooks Desktop
QuickBooks OnlineQuickBooks Online
XeroXero
Sage IntacctSage Intacct
Sage 50Sage 50
NetSuiteNetSuite
FreshBooksFreshBooks
Zoho BooksZoho Books
WaveWave

Invoice and receipt processing

Bill.comBill.com
DextDext
HubdocHubdoc
AutoEntryAutoEntry
MelioMelio
StampliStampli
TipaltiTipalti

Accounting, spend and job management

RampRamp
BrexBrex
ExpensifyExpensify
BILL Spend & Expense (Divvy)BILL Spend & Expense (Divvy)
AirbaseAirbase
JobberJobber
ServiceTitanServiceTitan
Housecall ProHousecall Pro
ProcoreProcore
BuildertrendBuildertrend
ToastToast
SquareSquare
LightspeedLightspeed

Month-end and year-end close

NumericNumeric
FloQastFloQast
BlackLineBlackLine
KeeperKeeper
VenaVena
FathomFathom
Spotlight ReportingSpotlight Reporting
Syft AnalyticsSyft Analytics

Tax return preparation

ProSeriesProSeries
DrakeDrake
LacerteLacerte
UltraTax CSUltraTax CS
CCH Axcess TaxCCH Axcess Tax
CCH ProSystem fxCCH ProSystem fx
ProConnectProConnect
ATXATX
TaxAct ProfessionalTaxAct Professional

Audit and assurance

CaseWare Working PapersCaseWare Working Papers
CaseWare CloudCaseWare Cloud
IDEAIDEA
TeamMate+TeamMate+
AuditBoardAuditBoard
Thomson Reuters AdvanceFlowThomson Reuters AdvanceFlow
InfloInflo
SuralinkSuralink
MindBridgeMindBridge
Confirmation.comConfirmation.com

Payroll

ADPADP
GustoGusto
PaychexPaychex
QuickBooks PayrollQuickBooks Payroll
RipplingRippling
PaylocityPaylocity

Workflow and practice management

Financial CentsFinancial Cents
KarbonKarbon
CanopyCanopy
TaxDomeTaxDome
Jetpack WorkflowJetpack Workflow
Aero WorkflowAero Workflow

Year-end planning

Dates with their conditions.

For calendar-year corporations, the fourth 2026 estimated-tax instalment is due 15 December 2026 where required. The fourth 2026 individual instalment is due 15 January 2027. The standard 31 January information/payroll filing dates roll to 1 February 2027 because 31 January is Sunday. Filing and deposit rules remain separate.

Official source. Checked 19 October 2026.

Open the local deadline planning sheet

engagement options

Assign one file or recurring work.

01

Pilot

A defined entity, agreed records and a review pack. Local scope and price are agreed.

How billing works

  1. 1

    Agree scope

    One entity

    Define the period, records and deliverables.

  2. 2

    Agree fixed fee

    Signed SOW

    Record the fee and payment milestones.

  3. 3

    Invoice

    Contract milestones

    Bill against the agreed payment schedule.

Explore Pilot
02

Dedicated seat

Recurring monthly scope, cover and reviewer responsibilities.

How billing works

  1. 1

    Define the seat

    Monthly scope

    Agree allocation, overlap and review cover.

  2. 2

    Agree the fee

    Monthly pricing

    Record the recurring fee and included work.

  3. 3

    Invoice

    Agreed period

    Use the billing period in the signed agreement.

Explore Dedicated seat
03

Per-return / per-job

The local return or workpaper job is defined before allocation.

How billing works

  1. 1

    Define the job

    Form and complexity

    Record the return, period and source records.

  2. 2

    Approve the fee

    Per job

    Agree the price before work is allocated.

  3. 3

    Invoice

    Agreed milestone

    Bill the work under the signed job terms.

Explore Per-return / per-job

Sample output

Follow a source to the handoff.

The P-001 example shows a coded reconciliation and review-pack format using fictional figures. The engagement defines the local schedules and return workpapers.

Open the fictional P-001 review-pack example to see a reconciliation, proposed adjustment and open-question register. The agreed service determines which schedules your pack contains.

First assignment

Start with one entity and an agreed scope.

Choose the period, records and reviewer. The scope sets deliverables, review responsibilities, billing and acceptance criteria.

Start a 10-day Pilot

Explore the regional scope.

Read the service brochure and selected planning calendar before choosing an assignment.

Regional brochurePlanning calendar

LOCAL CONTACT

Contact for this region

Local contact: Luray, Virginia, USA

For a local introduction, contact our central enquiry team at hello@lacomipl.com.

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