Corporate Tax Preparation & Filing

Overview

What we deliver

We prepare and file corporate income tax returns under IRS, HMRC, CRA, and ATO rules with full workpapers and provision support.

We prepare and file corporate income tax returns for C corporations, S corporations, LLCs, UK limited companies, Canadian corporations, and Australian companies. Our team starts with your trial balance, reconciles book-to-tax differences under US GAAP, IFRS, or UK FRS, and prepares federal, state, provincial, and local returns. We compute current and deferred tax provisions, document permanent and temporary differences, and support quarterly estimates and extensions. Returns are filed with the IRS, state agencies, HMRC, CRA, or ATO on time, with full workpapers retained for audit defense. We also identify available credits and incentives such as R&D, energy, and investment credits, and advise on entity structure, transfer pricing touchpoints, and group filing options. If your company operates across borders, we coordinate with our international tax team to align positions. The outcome is a return that is accurate, defensible, and aligned with your financial statements.

Fit Check

Built for teams like yours

Who it's for

Privately held corporations and LLCs
UK limited companies filing CT600 returns
Canadian corporations filing T2 returns
Australian companies filing company tax returns
CFOs needing provision support for audited financials

Pain points we solve

Year-end scramble to gather tax workpapers
Book-to-tax differences not properly documented
Missed credits and incentives
Inconsistent treatment across federal and state returns
Provision adjustments during audit

What's included

Capabilities

Everything we cover in this engagement.

Book-to-tax reconciliation
Federal, state, and local return preparation
Corporate tax provision under ASC 740 or IAS 12
Quarterly estimates and extensions
Research and development credit studies
Fixed asset and depreciation review
Group and consolidated filings
Audit defense and notice response

How we work

Our process

A clear, predictable path from kickoff to outcomes.

01

Gather

Collect trial balance, prior returns, and supporting schedules.

02

Reconcile

Document book-to-tax differences and adjustments.

03

Prepare

Draft returns and provision workpapers.

04

Review

Walk through positions with your team for sign-off.

05

File

Submit to authorities and archive workpapers.

What you get

Deliverables & outcomes

What you get

Filed federal, state, and local returns
Book-to-tax reconciliation workpapers
Current and deferred tax provision schedules
Credit and incentive memos
Estimate and extension filings
Audit-ready supporting documentation

Outcomes you can expect

On-time, accurate corporate filings
Defensible positions backed by workpapers
Identified credits and incentives captured
Clean provision tied to financial statements
Reduced exposure to penalties and adjustments

Timeline

4 to 8 weeks per filing season

Engagement

Monthly retainer, Project, Sprint

Tools we use

CCH Axcess, Thomson Reuters UltraTax, Drake, QuickBooks, Xero

KPIs we track

filing on-time rate, effective tax rate, credits captured, audit adjustments, notice volume

Client stories

What clients say

"

We were drowning in tier-one tickets about password resets and appointment changes. They built a deflection layer on top of our help desk and kept their agents in the loop for anything sensitive. Volume to humans dropped 58 percent in two months and our patient NPS held steady. The hybrid handoff is the part most vendors get wrong. They did not.

P.M.

"

My books were 90 days behind and I was avoiding my accountant. They cleaned up nine months of mis-categorized Shopify and Stripe entries, set up proper rules in QuickBooks, and now my close lands on day four of every month. First time in three years I opened a P&L without wincing. Cash forecasting actually makes sense now.

D.R.

Proof