Case Study: CPA Firm Switches from Thomson Reuters Virtual Office CS to OneUp Networks
610+
Outages tracked on Virtual Office CS — StatusGator (Nov 2022–2026)
<60s
OneUp Networks live support response — client verified
4 yrs
Active client — zero platform downtime at any tax deadline
2 hrs+
Typical TR support hold time in tax season (G2 verified reviews)
The Client

A 12-Person CPA Firm. Two Countries. One Cloud Environment That Kept Failing.

Sophia W. is the Managing Partner at a mid-size public accounting firm with staff split between the US East Coast and Germany. Her team runs the full Thomson Reuters CS Professional Suite — UltraTax CS for federal and multi-state tax returns, Practice CS for billing and project management, Accounting CS for client write-up and payroll, and FileCabinet CS for document management.

These aren't interchangeable tools. They're the connective tissue of the practice. When they stop working — which they did, repeatedly, on Thomson Reuters Virtual Office CS — the firm stops serving clients. For three consecutive tax seasons, that's what Sophia's team lived with.

"We weren't asking for a miracle. We just needed the software to be there when we needed it. That felt like a reasonable request. It wasn't being met."
— Sophia W., Managing Partner (firm name withheld per confidentiality agreement)

This is the story of what happened when she finally decided to look elsewhere — and what she found.

What Went Wrong

Three Failures. One Breaking Point.

No single event pushed Sophia's firm out. It was three interlocking problems that compounded over three years — each one manageable in isolation, impossible together.

01 — Uptime

The Platform Went Down — Every Tax Season

StatusGator tracked over 610 outage events on Virtual Office CS between November 2022 and early 2026 — roughly one incident every two days. These weren't scheduled windows. They were unplanned disruptions hitting live production environments during active filing work. G2 reviewers documented sessions dropping in the third week of March. One titled their review: "Slow speeds, outages, little to 0 customer service = second frustrating tax season." The IRS offers no extensions for hosting failures. The firm absorbed every penalty risk alone.

📊 Source: StatusGator · Nov 2022–2026
02 — Support

Two-Hour Hold Times at the Worst Moment

When a session dropped at 11 PM on April 14th, Sophia called support. What followed was a Level 1 agent reading a generic Windows checklist — not a specialist who knew UltraTax CS or the CS Professional Suite. Escalation to Level 2 added another wait. Capterra's aggregate Customer Service rating for UltraTax CS from verified buyers sits at 2.8 out of 5. G2 reviewers confirm hold times exceeding 2 hours during tax season. One user typed their complaint in all-caps: "HOLD TIME IS IN EXCESS OF 2 HOURS. WE DO NOT HAVE TIME FOR THIS."

📊 Source: G2 & Capterra verified reviews
03 — Pricing

Prices That Grew Without Warning, Every Year

Year one of Virtual Office CS was priced fairly. By year three, Sophia's invoices included new line items — infrastructure surcharges, license minimums, seasonal fees — with no advance notice and no explanation. A Capterra verified reviewer documented the same pattern with precision: "First three years received a bundled price which was reasonable. After that, price was increased 121% — never explained." Another wrote: "They keep adding charges during tax season so you have no other choice." By the time the number arrives in March, switching feels more disruptive than paying. That's by design.

📊 Source: Capterra verified reviews (2024–2026)

Why peak-season outages hit CPA firms hardest: IRS late-filing penalties start at 5% of unpaid tax per month, up to 25%. The platform being down is not an accepted reason for abatement. Every minute the hosted environment is unreachable during March or April is time the firm can never recover — and risk it carries entirely on its own.

The Evaluation

She Didn't Trust Anyone's Claims. So She Tested First.

After the 2023 season — a dropped session mid-April, an hour-long hold, a server restart that fixed everything in minutes — Sophia started evaluating alternatives. She found OneUp Networks through accounting professional communities and reached out.

What was different from the first conversation: no pitch. OneUp Networks asked about her actual environment — what apps were in play, how much data needed to move, how many users across what geographies, and whether remote scan and print needed to work from Germany the same way it did from the US office. They proposed a trial on the real infrastructure — not a demo — accessible from both locations before any decision was made.

< 60 seconds

The Support Response She Wasn't Prepared For

During the trial, Sophia reached out to OneUp Networks support with a technical question about UltraTax CS multi-user session configuration. Someone answered in under a minute. Not a chatbot. Not a ticket acknowledgement. A person — who already knew what CS Professional Suite was and answered the question directly, without asking her to hold while they escalated. "It takes longer to walk to the next cabin in my own office," she said afterward.

What OneUp Networks Assessed Before Any Migration

Before a single file moved, the team worked through a structured discovery covering everything the environment would need:

📋

Full App Inventory

Every CS Suite app, state module, license count, and version — documented upfront

💾

Data Volume & Migration Plan

Multi-year UltraTax archives, payroll files, billing history — all sized and sequenced

🖨️

Remote Scan & Print

US and Germany staff needed to scan into FileCabinet CS and print to local printers — configured as standard

🌍

Live Two-Location Trial

Tested from real US and German workstations simultaneously before any commitment

👥

User Roles Defined Upfront

Full-time vs. seasonal access scoped before go-live — no license minimum surprises later

🔐

Compliance Verification

SOC 2 Type II, HIPAA, IRS Publication 4557, FTC Safeguards Rule — confirmed against the firm's obligations

The Migration

End-to-End. No Lost Days. No Surprises.

Moving a full CS Professional Suite environment isn't a simple copy-paste. UltraTax CS archives carry specific database structures. Accounting CS payroll tables, Practice CS billing histories, and FileCabinet CS document indexes all need careful handling. OneUp Networks managed it entirely — Sophia's team described the environment once, and the migration team executed it.

Discovery & Scoping

Full application stack mapped — versions, state module configs, user access levels, integration dependencies — before any infrastructure was provisioned.

Real Two-Location Trial

Sophia's US and Germany staff accessed the trial environment simultaneously. Both confirmed clean, low-latency performance. Not a synthetic benchmark — actual workstations, actual network conditions.

Managed Migration

UltraTax archives, Accounting CS files, Practice CS history, and the entire FileCabinet CS library moved with full integrity verification. The firm did not lose access to historical data at any point.

Remote Scan & Print Setup

Staff in both countries can scan documents directly into FileCabinet CS and print to local printers from the hosted server. Configured during setup — not billed as a later add-on.

Go-Live — And Then Nothing (The Good Kind)

Tax season arrived. The software stayed up. Support answered fast when needed. The invoice matched what was agreed. That happened again in year two. And year three. And year four.

The Results

Four Tax Seasons. Four Clean Aprils.

The proof isn't a product demo — it's four consecutive deadlines where nothing broke. Here's what four years with OneUp Networks actually looks like:

0
Platform outages at any tax deadline — across 4 years
<60s
Consistent live support response — verified across multiple interactions
100%
App access from both US and Germany from day one of go-live
Fixed
Pricing — invoices match what was agreed, every year, no exceptions
"The technical knowledge of the support team is not generic. I don't wait for L1 to confirm the problem exists, then L2 to actually understand it, then get handed a basic script. The person who picks up already knows UltraTax. That changes everything when it's April 14th and I need an answer in minutes."
SW
Sophia W., Managing PartnerUS Accounting Firm · USA & Germany · OneUp Networks client — Year 1 to present
"Pricing transparency was something I had genuinely stopped expecting from cloud vendors. OneUp gave me a number. That number stayed. Four years of invoices — all matching what was agreed. No bundled rate that quietly expired. No charges added in March because, well, what are you going to do about it now. They run a fair business. That's rarer than it should be."
SW
Sophia W., Managing PartnerUS Accounting Firm · USA & Germany · OneUp Networks client — Year 1 to present
Side by Side

Virtual Office CS vs. OneUp Networks

Based on StatusGator monitoring data, G2 and Capterra verified reviews, and this firm's direct experience across both platforms.

Category ⚠ Thomson Reuters Virtual Office CS ✅ OneUp Networks
Uptime 610+ outages tracked (StatusGator, Nov 2022–2026). Legacy Citrix infrastructure. Incidents documented during March–April filing peaks. 99.9%+ SLA. 24/7 proactive monitoring. Zero client-reported failures at tax deadlines across 4 years.
Support 2+ hour hold times in tax season (G2 verified). L1→L2 escalation ladder with generic scripts. Capterra Customer Service score: 2.8/5. Under 60 seconds live response. Engineers who know CS Professional Suite directly — no escalation queue required.
Pricing Documented 121% price increases without prior notice (Capterra). Hidden license minimums and seasonal surcharges added post-agreement. Flat transparent pricing. No introductory rates. No upsells. Invoice matches what was agreed — confirmed across 4 years.
Multi-Location International session latency and stability issues reported. Citrix not optimized for cross-regional access. US and Germany tested from real workstations during trial. Consistent low-latency performance confirmed before commitment.
Remote Scan & Print Limited native support for multi-location print. Workarounds required. Not standard in base configuration. Scan to FileCabinet CS and print to local printers from any location. Configured as standard — not an add-on.
CS Suite Knowledge Generic IT support tiers unfamiliar with application-layer CS Suite issues. Engineers who handle CS Professional Suite exclusively — UltraTax, Accounting CS, Practice CS, FileCabinet CS — daily.
Migration Users report training delayed months and conversions unresolved after go-live (Capterra, 2024). Fully managed end-to-end. Multi-year archives and all configs migrated with integrity verification. No downtime during transition.
About OneUp Networks

Built for Accounting Firms. Not Adapted for Them.

OneUp Networks hosts the full Thomson Reuters CS Professional Suite — UltraTax CS, Practice CS, Accounting CS, FileCabinet CS, Fixed Assets CS, Workpapers CS, and AdvanceFlow — along with QuickBooks Desktop, Drake Tax, and other practice-critical applications, on dedicated CPA-optimized infrastructure. This is the only thing they do. The support team understands CS Suite application-layer issues because that's the only kind of issue they handle.

🏢

Full CS Suite Hosting

UltraTax CS, Practice CS, Accounting CS, FileCabinet CS, Fixed Assets CS, Workpapers CS, AdvanceFlow, NetClient CS

🔐

Compliance Certified

SOC 2 Type II & III, HIPAA, PCI DSS, NIST, ISO 27001:2022, HITRUST CSF — independently audited

NVMe SSD Infrastructure

Optimized for UltraTax CS database workloads and multi-user concurrent peak-season access

🖨️

Remote Scan & Print

Scan into FileCabinet CS and print to local printers from any location — US, Europe, anywhere

🕐

24/7/365 Live Support

Weekends, holidays, April 14th at 11 PM — by engineers who know your software

💰

Transparent Pricing

No hidden fees. No upsells. No introductory-rate expiry. The number quoted is the number billed.

Common Questions

What Firms Ask Before Switching

OneUp Networks manages migration end-to-end: data scoping, sequenced transfer, and integrity verification. Multi-year return archives, state module configs, Accounting CS payroll tables, Practice CS billing histories, and FileCabinet CS document libraries all move to the new environment. The firm does not manage the technical process and does not lose access to historical data during the transition.
Yes — and OneUp Networks recommends it. The firm in this case study ran a full trial from both US and Germany locations before any commitment. The trial environment is the production environment. What you test is what you get.
Yes. Remote scan and print is standard — not an add-on. Users can scan physical documents directly into FileCabinet CS and print from the hosted server to local printers, from any location including European offices.
Pricing is transparent and fixed to what was agreed at the start for an year. No bundled rates that quietly expire. No seasonal surcharges. No infrastructure line items added mid-contract. There is a nominal increase in pricing of 5% on renewal due to increase in infra costs across the world.
Yes. You must hold a valid Thomson Reuters license for any CS Professional Suite application hosted. OneUp Networks provides the cloud infrastructure, configuration, support, and management. All Thomson Reuters product names are trademarks of Thomson Reuters and its subsidiaries. OneUp Networks is an independent hosting provider with no affiliation with Thomson Reuters.

Confidentiality note: The firm's name is withheld per a mutual confidentiality agreement. All quotes and details are included with the client's explicit consent and represent their direct experience with both platforms.

Outage data from StatusGator's independent monitoring of Thomson Reuters Tax Professionals Virtual Office CS / SaaS (November 2022–2026). Review data from verified buyer reviews on G2 and Capterra. IRS penalty figures per IRS Publication 17 and IRS.gov guidance on failure-to-file penalties.

All Thomson Reuters product names — UltraTax CS®, Practice CS®, Accounting CS®, FileCabinet CS®, Fixed Assets CS®, Workpapers CS®, CS Professional Suite® — are registered trademarks of Thomson Reuters and/or its subsidiaries. OneUp Networks is an independent cloud hosting provider not affiliated with Thomson Reuters.

  • StatusGator monitoring data, G2 verified reviews, Capterra verified reviews
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