Sales Tax Compliance

Key Takeaways

• End‑to‑end outsourcing for U.S. sales and use tax returns in every jurisdiction, including payment processing handled on your behalf.
• One monthly funds transfer into a segregated client bank account, improving cash control and audit traceability.
• A Dedicated Tax Processing Specialist manages filings, notices, credits, and reconciliations, with a single point of contact.
• 24/7 portal access to prepared returns, payment confirmations, archived filings, tax calendars, and 13‑month trend reports.
• Integrated SALT support for nexus, registrations, VDAs, and audit assistance, so compliance keeps pace with growth.
• Built for CPA, EA, and accounting firms that also run tax, financial advisory, CAS, and audit support, not just bookkeeping.

Why Firms Hit A Ceiling On Sales And Use Tax

You do not struggle for clients. You struggle for predictable delivery. As filing volume grows, partners get trapped in reviews, staff spend nights reconciling rates and remittances, and notices multiply. Hiring lags, turnover spikes, and workflow visibility drops. The result is deadline risk, inconsistent quality, and rising costs that squeeze margins. This is not a sales issue, it is a delivery system issue.

Accountably fixes delivery, not just headcount. We integrate trained offshore teams into your systems, your templates, and your client expectations, with a structure that protects reviews, standardizes workpapers, and gives you capacity without chaos.

What You Outsource, What You Keep

You keep client strategy, pricing, and engagement control. We take on the recurring work that stalls your week.

• Returns preparation, jurisdiction filings, and remittances, monthly, quarterly, and annual.
• Notice management, root‑cause analysis, and documented resolutions.
• Ongoing reconciliation that ties collections to liabilities to posted receipts.
• Registrations, closures, and filing frequency changes aligned to your nexus profile.
• Portal‑based approvals, confirmations, and 13‑month trends for audit‑ready evidence.

The Accountably Model, In Plain English

• Capacity without chaos, stable production with predictable turnaround.
• Workflow discipline, SOP‑driven execution and structured workpapers.
• Review protection, multi‑layer checks that cut partner review time.
• Outsource the grind, keep the judgment. We file, reconcile, and prove it with clean evidence, so you can advise.

Built For U.S. Taxation, Advisory, And Audit Support

Your practice is bigger than compliance. Sales and use tax outsourcing should free time for federal and state returns, SALT planning, financial advisory, CAS, and PBC support for audits. Our model is designed to open that time. While your specialist files returns and manages notices, your partners focus on client strategy, pricing, cash planning, and audit readiness. When your audit team needs PBC tie‑outs, exemption certificate pulls, or use‑tax sampling support, we are already inside your workflow and ready to help.

Where This Lives In Your Firm

• Tax, Sales and Use Tax, SALT, and Compliance service lines.
• CAS and controllership teams that reconcile marketplace and ERP data.
• Audit teams that need traceable remittance evidence and clear workpapers.
• Advisory groups that want bandwidth for pricing, margin, and growth planning.

Systems We Work In

Your team should not have to switch. We work inside Avalara, TaxJar, ONESOURCE, Vertex, and state portals, and we connect to your GL and practice tools like QuickBooks, Xero, Thomson Reuters, CCH Axcess, ProConnect, Lacerte, Drake, Canopy, Karbon, TaxDome, Suralink, and JetPack. If you have custom data exports, we align to them and document the flow for repeatability.

Results You Can Expect

• Fewer approval points, fewer errors, fewer late nights.
• Faster reviews with smart, consistent workpapers.
• Deadline reliability that strengthens client trust and retention.
• Partner time refocused on advisory, pricing, and growth.

End‑To‑End Returns Preparation, Filing, And Payments

Sales and use tax risk drops when one accountable team handles preparation, filing, and payments. You send transaction data. We normalize it, validate taxability where required, and prepare jurisdiction returns. After your approval, we file and remit on your behalf, then post confirmations and receipts to the portal so you have dated proof for every jurisdiction.

How The Daily Work Runs

• Data intake, we accept exports from your tax engine or ERP and confirm period coverage.
• Manual review, we supplement rate engines to avoid overpayments or missed use‑tax.
• Return preparation, we build returns for each jurisdiction with clear workpaper logic.
• Filing and payment, we submit by deadline and control remittance through a single monthly funds transfer.
• Evidence, we post payment confirmations, receipts, and archived returns for audit‑ready proof.

Single Monthly Funds Transfer That Simplifies Cash

Replace dozens of checks and ACHs with one monthly transfer to a dedicated client bank account. You control timing, we manage disbursement to every jurisdiction.

Centralized Monthly Remittance

• One authorized payment reduces approval points and banking exposure.
• The Dedicated Tax Processing Specialist reconciles activity, manages credits, and aligns disbursements to returns.
• You see payment confirmations and reconciliation reports in the portal, any time.
• Cash timing aligns to your close calendar, while filings still hit each due date.

Dedicated Client Bank Account

Your tax funds sit in a separate domestic account, unique to your organization, which preserves segregation and auditability. We disburse every jurisdictional payment from that account under the Single Funds Transfer model. The result is fewer internal check requests, cleaner traceability, and faster notice resolution when agencies misapply a payment.

Continuous Account Reconciliation

• We do not treat reconciliation as a month‑end chore. Your specialist tracks inflows, outflows, and jurisdiction receipts continuously.
• Map collections to liabilities to remittances, tie every dollar from invoice to posted receipt.
• Catch overpayments, underpayments, and notice‑driven changes before they snowball.
• Publish Reconciliation Reports, Payment Confirmations, and an always‑current Tax Calendar.
• Maintain balanced, documented control that stands up in an audit.

Portal Visibility, Control, And 13‑Month Trends

Your secure portal is the control room. Upload period data, review prepared returns, approve filings, and track payments in one place. After filings, you get archived returns, jurisdiction receipts, and a 13‑Month Trend Analysis to spot seasonality, returns frequency shifts, and recurring variances. Notices are logged, assigned, and updated in real time, with a clear audit trail.

Dedicated Specialists And Notice Management

Automation helps, but accountability protects you. A Dedicated Tax Processing Specialist owns your process end to end. The specialist prepares returns, files in every jurisdiction, handles credits, and manages notices with documented root‑cause fixes. You get monthly reconciliation and a tax calendar, plus a single point of contact for registrations, closures, and voluntary disclosures.

Review Protection With Layered Quality Control

• Preparer builds returns with structured workpapers and naming conventions.
• Senior reviewer validates data mapping and reasonableness.
• Quality check confirms documentation, attachments, and payment alignment.
• Final review signs off on filings and evidence, then the portal logs the trail.

Security, Compliance, And Work Integrity

• SOC 2 aligned controls and NDA coverage for all staff.
• Role‑based access, secure VPN, zero local storage, and encrypted file exchange.
• Audit logs, activity records, and background‑verified professionals.
• U.S. client data integrity standards, documented incident response, and periodic access reviews.

Integrated SALT Services For Growth And Risk Reduction

Sales tax does not sit still when you expand. We align compliance with market entry, product changes, and channel shifts, so your obligations start on time and stay accurate.

Nexus Studies And Registrations

• Analyze economic and physical nexus using your sales, transactions, and activities.
• Identify states where filing is required, recommended, or optional based on risk.
• Prepare registrations, secure sign‑offs, open state portals, and set filing frequencies.
• Document decision logic, so your partners can explain the why to clients.

Voluntary Disclosure Agreements, Back Filings, And Closures

• Quantify historical exposure and look‑backs, then model cost and penalty risk.
• Pursue VDAs where permitted to reduce penalties and protect anonymity.
• Prepare back filings with evidence, reconcile to payments, and post confirmations.
• Close accounts cleanly when you exit a jurisdiction to prevent lingering notices.

Audit Assistance And Notice Resolution

• Build audit‑ready workpapers with clear mapping from collections to posted receipts.
• Pull proof of payment, exemption certificates, and data extracts on request.
• Manage agency communications with timelines, responses, and documented outcomes.
• Track assessments, refunds, and credits in your portal, with status you can trust.

Keep Systems Current

Every quarter, we confirm that your tax engine and ERP reflect current forms, rates, product taxability, and filing schedules. We align marketplace facilitator settings, import rules, and data mappings, then test them against known edge cases before the next cycle.

2025 Reality Check, Thresholds And Trends You Should Know

• Since the Supreme Court’s Wayfair decision on June 21, 2018, states have enforced economic nexus without a physical presence test, which pushed many firms into multi‑state compliance at once. (supreme.justia.com)
• The landscape keeps shifting. A growing list of states has removed the 200‑transaction threshold, so sellers often monitor a single sales figure rather than sales plus counts. Indiana made its removal retroactive to January 1, 2024, and Utah removed its transaction threshold effective July 1, 2025, with Illinois scheduled to follow on January 1, 2026. These changes reduce busywork but increase the need for clean revenue tracking and timely registrations. (avalara.com)
• Several other states have also cut the count test, and Alaska’s local program under the Alaska Remote Seller Sales Tax Commission moved to a sales‑only approach in 2025, which matters if your clients sell into participating jurisdictions. (avalara.com)

What this means for your firm, your team should review thresholds quarterly, keep a current nexus matrix, and adjust filing frequencies before notices arrive. If you prefer not to track every rule change, that is exactly why our specialists handle nexus reviews, registrations, and calendar updates inside your workflow.

Beyond Compliance, Open Time For Advisory And Audit

When returns, payments, and notices stop consuming your week, partners can move upstream.

• SALT planning, advise on taxability, exemptions, and growth paths by state.
• Financial advisory, translate liabilities and trends into cash planning and pricing.
• Audit readiness, keep PBC lists current, evidence complete, and narratives clear.
• CAS growth, shift hours from preparation to analysis, forecasting, and client education.

E‑E‑A‑T In Practice

We do not treat this as a black box. We document how your data flows, which checks we run, what tools we use, and the evidence trail created for each filing. We maintain SOPs that your reviewers can read, we timestamp key steps, and we provide a named specialist who knows your clients, your templates, and your deadlines.

Delivery Structure That Puts You In Control

SOP‑Driven Execution

We standardize task flows across sales and use tax, month‑end, and workpaper prep. Naming conventions and version control keep files clean. Internal checklists validate accuracy and completeness before a reviewer touches the work.

Workflow Visibility

You see live progress, blockers, and escalations. We flag issues early, document options, and confirm decisions in the portal. Each step leaves a trail that stands up in audits and helps new staff get up to speed fast.

Capacity Planning

Workload allocation is based on utilization, not guesswork. If filing volumes jump, we add trained capacity that already knows your standards. Continuity plans keep delivery stable if a team member is out.

How We Fit Into Your Operating Model

You do not need to rip and replace. We work in your systems, your templates, and your calendars.

• Intake and approvals stay in your practice tools.
• Filings and payments are handled by your Accountably team.
• Reviews are protected by layered checks and consistent workpapers.
• Evidence lives in your portal, not in someone’s inbox.

Engagement Models That Scale With You

We meet you where you are, then build maturity as you grow.

• Dedicated Offshore Talent, full‑time accountants and tax staff who work inside your workflow.
• White‑Label Delivery Teams, seasonal or year‑round teams with a manager and reviewers for end‑to‑end compliance.
• Build–Operate–Transfer Offshore Unit, your own offshore center with exclusive team and management for long‑term control.

Quick Comparison

Model	Best For	Value
Dedicated Offshore Talent	Firms needing stable production capacity	Dedicated staff embedded in your process and tools
White‑Label Delivery Teams	Firms scaling seasonal workload or compliance programs	End‑to‑end team with manager, reviewers, and SLAs
Build–Operate–Transfer	Firms ready for long‑term offshore control	Your branded unit with governance, training, and continuity

No resume farming, no short‑term patchwork. You get accountable delivery with clear SLAs.

Security, Compliance, And Work Integrity

• SOC 2 aligned controls, periodic audits, and NDA‑backed confidentiality.
• Role‑based access, secure VPN, and zero local storage policy.
• Encrypted file exchange, audit logs, and activity records.
• Background‑verified staff and documented incident response.

What‑How‑Wow, The Core Of Our Approach

• What, outsource sales and use tax preparation, filing, remittance, and notices.
• How, disciplined SOPs, single funds transfer, continuous reconciliation, and a secure portal.
• Wow, a delivery system that cuts review time, provides audit‑ready evidence, and frees partners to advise.

Common Triggers We See

• Multi‑state expansion after Wayfair with frequent notices.
• Rushed or missed filings during peak season.
• Fragmented payments across dozens of jurisdictions.
• Buried teams, stalled advisory revenue, and partner hours spent inside reviews.

What Changes In Week One

• A named specialist aligns on data extracts, calendars, and approval flow.
• We provision your portal and build the 13‑month baseline trend.
• We document your SOPs and naming, then run a pilot filing cycle.
• You approve the cadence, and we lock SLAs.

Metrics You Can Track

• On‑time filing rate, payment timing variance, and notice count.
• Review time per return, revision rate, and first‑pass acceptance.
• Reconciliation exceptions found pre‑filing versus post‑filing.
• Hours returned to advisory, audit support, and client meetings.

FAQs

Do you only support sales tax, or can you help our wider practice too

We support U.S. sales and use tax end to end, and we also help your broader practice. That includes SALT projects, CAS workflows that rely on sales tax data, and audit PBC support like proof of payment, exemption pulls, and tie‑outs. The goal is simple, free partner time for tax, financial advisory, and audit work.

How do you handle economic nexus changes that keep shifting

We perform quarterly nexus reviews, update registrations and filing frequencies, and document thresholds in your matrix. States keep adjusting rules, for example Indiana eliminated the 200‑transaction test effective January 1, 2024, and Utah removed it effective July 1, 2025, with Illinois scheduled for January 1, 2026, so your matrix needs to stay fresh. (avalara.com)

What does the single funds transfer change in our control environment

You approve one transfer into a segregated client bank account. We disburse to all jurisdictions, then post confirmations and receipts to your portal. You get fewer approval points, cleaner audit trails, and faster notice resolution, without giving up cash timing.

Can we require on‑premise connectors or a self‑hosted integration

Yes. We can support on‑premise connectors or a hybrid approach, with strict authentication, logging, update cadence controls, and validated security baselines. We will document the data path and include it in your SOPs.

What happens if a rule change causes a missed filing

We escalate, file the delinquent return, document the cause, and pursue penalty relief where available. We update controls and your calendar so the issue does not repeat. You see the timeline and resolution in your portal.

How do you support marketplace activity and channel changes

We align marketplace facilitator settings, registrations, and schedules in your tax engine and state portals. Each quarter we test rate, form, and frequency updates against your data, then post the results.

Proof Points, Resources, And How To Start

You should validate any provider’s scale, control, and depth. Ask for filing volume, on‑time rates, notice resolution timelines, and examples of 13‑month trend reporting. Confirm SOC 2 alignment, portal evidence, and secure payment workflows.

• First meeting, scope jurisdictions, calendars, data extracts, and your review flow.
• Portal provisioning, document exchange, reconciliations, confirmations, and trend reports.
• Single funds transfer, set timing, authorize signers, and test disbursement.
• Go live, run an initial cycle, review results, and lock SLAs.

Simple table to keep it straight:

Proof Point	Resource	First Step
On‑time filings, confirmations	Sample portal screenshots	Book a scoping call
Archived returns, 13‑month trends	Redacted reporting pack	Share data export format
Notice resolution timelines	Playbook and SLAs	Identify jurisdictions for pilot
Security controls	SOC 2 alignment summary	Add authorized signers

Conclusion And Next Step

You have the signals already, recurring notices, scrambled payments, and partner time spent inside returns. Outsourcing sales and use tax to Accountably gives you end‑to‑end filings, a single monthly funds transfer, continuous reconciliation, and clear portal evidence. Your clients get reliable compliance. You get your week back.

Set thresholds, define SLAs, and track the metrics that matter. When compliance becomes predictable, advisory grows. If you are ready to free your team from the filing grind, schedule a short scoping call and ask us to show you a sample 13‑month trend, a reconciliation report, and a redacted notice resolution trail. We will earn your trust with the work, not promises.