CRM for tax preparers: from engagement letter to final invoice.

Workspace369 runs the client side of a small tax or advisory practice: engagement proposals signed online, portal uploads and intake forms for documents, follow-up tasks, client messages and invoices, from $29 a month on Cadet (1 seat, 5 active projects). It does not file returns or send tax organizers, so keep those in your tax software.

Tax preparers need clear tracking of every engagement, from engagement letter to final invoice. Workspace369 runs that side of the practice in one system: client records, engagement proposals with e-signing, tasks, files, client messages and invoices.

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Clientthe relationship and agreed brief
Worktasks with a responsible person
Billinginvoices and commercial context
Workspace369 client record showing history, files, communication, and invoices in one profile

Tax firms keep order during busy seasons, so document collection and follow-up are complete before data enters filing systems.

Key facts

CRM for tax preparers at Workspace369 covers 9 areas, including client records, proposals, projects and tasks.

The workflow runs in 5 steps, from "initiating client proposals" to "finalizing invoices and project closure".

Workspace369 starts at $29/mo for 1 seat, and the Commander plan includes 20 seats and 12× Cadet usage at $299/mo.

Additional seats cost $10 each; full pricing is public on the Workspace369 pricing page.

CRM for tax preparers compared

For collecting documents and running the return workflow, start with a tax-built practice tool such as TaxDome or Canopy. Financial Cents Solo is the cheapest checked option for a solo preparer at $19 a month billed yearly. Workspace369 fits advisory and bookkeeping work sold by proposal, from $29 a month on Cadet (1 seat, 5 active projects), but it does not file returns or send tax organizers.

ToolEntry priceDocument collectionTrialMain limit
TaxDomeSee sitePortal, CRM, workflows, billing and e-signatures (vendor comparison page)See sitePrice not verified
Canopy$74 per user a month, billed yearlyPortal, eSign, tax power-up from $34 per clientDemo with salesPer-user cost plus per-client add-on
Financial Cents$19 a month (Solo), billed yearlyPortal, secure file sharing, e-signatures14 days, no card12-month agreement
Karbon$59 per user a month, billed yearlyClient requests and portalNot statedReminders start at Business
Workspace369$29 a month ($23.25 billed yearly)Portal uploads and intake forms, no organizers14 days, card required1 seat, 5 projects, no return filing
IgnitionSee siteNone (proposals and billing)14 days, no cardNeeds a separate document tool

Prices and limits from each vendor's official pricing page, checked October 17, 2026, in USD. Prices change, so confirm before you buy. Read the full buyer's guide.

Operational Pains in Tax Preparation

Incomplete Document Intake

Tax clients frequently submit partial documentation right before critical tax deadlines. Without a designated administrative tracking area, tax preparers spend hours checking individual files to verify what is missing. This delays the initialization of projects and causes administrative bottlenecks that slow down the entire firm's capacity.

Scattered Client Conversations

Communication regarding missing W-2s or 1099 forms often spans across multiple personal text messages and fragmented email threads. Tax preparers lose valuable time searching through historical conversations to locate specific instructions or clarifications provided by the client, leading to errors in the initial administrative record before filing begins.

Untracked Administrative Tasks

When a tax client sends an incomplete document set as a filing deadline approaches, manual follow-up tasks are easily forgotten. Without clear task lists linked directly to client records, team members do not know who is responsible for requesting the remaining documents, causing missed milestones and delayed tax preparation.

Inefficient Proposal Management

Sending engagement letters and collecting initial administrative details often happens via detached documents. Tax preparers struggle to link initial Proposals to active projects, causing confusion regarding the scope of work and delaying the collection of initial upfront invoices before the official tax preparation work begins.

See the workspace your clients feel.

01

A portal clients actually check

Clients watch progress, files, and invoices in a branded portal instead of asking your team for updates.

Workspace369 client record showing history, files, communication, and invoices in one profile
02

Every channel in one inbox

Email lands beside the client record on every plan; texts, calls and voicemail join it from Voyager, with AI call summaries from Specialist.

Workspace369 shared inbox showing email, SMS, and call history beside a client record
03

Client work, organized as projects

Tasks, files, and status for every engagement — visible to the team and, through the client portal, to the client.

Workspace369 project board showing client work organized into stages with owners and status
04

Proposals to paid invoices

Send quotes, bill milestones or retainers, and let automated reminders chase anything outstanding.

Workspace369 invoice editor showing line items, payment terms, and client details

Step-by-Step Tax Engagement Workflow

01

Initiating Client Proposals

Start the engagement by generating clear Proposals within the system to outline the scope of the tax preparation services. The client reviews the proposal details within the client portal. Once the client approves and e-signs the terms, the firm converts the approved proposal into the upfront invoice and opens the engagement on the client record.

02

Scheduling and Document Requests

Use scheduling features to set up initial consultation meetings if required, or immediately create a dedicated project for the tax year. Within the client records, a tax preparer lists the required tax documents. The human operator instructs the client to upload their initial document set directly into the portal files section.

03

Handling Incomplete Document Sets

When a tax client sends an incomplete document set as a filing deadline approaches, the tax preparer reviews the uploaded files against the required list. The operator records the missing items in the brief and opens a specific conversation thread with the client inside the portal, creating explicit tasks for the missing documents.

04

Engagement Project Tracking

The preparer manages the tasks required to gather all necessary items. Team members update task statuses as items arrive. All client conversations remain bound to the client record, so any team member can confirm the file is ready before data moves into the approved tax filing system.

05

Finalizing Invoices and Project Closure

After the checklist is complete and the return is filed in your tax software, the operator issues final invoices through Workspace369. The client pays the invoice online via the client portal, and the project is marked as closed, preserving the full client history for future years.

Client operations for tax preparers

  • A human operator can successfully upload a sample tax document set to the client portal and verify that the file appears instantly within the corresponding client record.
  • The system allows an administrator to create a task list for missing tax documents and link it directly to an active project to maintain tracking.
  • A client can view, open, and respond to a conversation thread regarding their incomplete tax documents entirely within the client portal interface.
Client records
Proposals
Projects and tasks
Files
Conversations
Scheduling
Invoices
Client portal
Workflow Automations

What reviewers say about Workspace369.

★ 5.0 from 12 ratings on the App Store (as of 2026-10-26)

★★★★★
SMB Modernization

Great tool for modernizing small businesses. Ability to leverage AI without technical background.

Foreman345 · · App Store review
★★★★★
True all-in-one system

It beautifully combined my CRM, team calendar, and billing tools so I could finally stop paying for a bunch of separate software subscriptions

samimonroe · · App Store review
★★★★★
Best app for my construction business

Great app. This app solved all my needs! Not only did it help, but it is cheaper than other apps. I highly recommend this app if you want to start organizing and automating your business on another level. Also love the design

SebastianBroco · · App Store review

Quoted exactly as written, in the reviewer’s own language. This is a selection of reviews, not all of them. Reviews from our own team are left out of the selection, but the overall rating includes their ratings.

See Workspace369 on your own client work.

Start a free trial or talk to sales — either way, you will see the whole loop: inbox, projects, portal, and billing.
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14-day free trial. Card required. After the trial: from $29/month. Renews automatically every month until you cancel. Cancel anytime in Settings → Billing.

Operational Acceptance Criteria

Where do tax returns and government identifiers fit?

Keep tax returns, government identifiers and official filings in your approved tax software. Workspace369 runs the practice around them: client records, engagement proposals, document collection, tasks, files, client messages and invoices.

How should we handle an incomplete document set when a deadline is near?

An operator reviews the uploaded files in the portal, records the missing items in the brief, and creates specific tasks for follow-up. You can initiate a conversation thread with the client inside the portal to request the specific missing tax forms before moving data to filing systems.

Does the system automatically assign tasks to my team when a tax client uploads files?

Workflow Automations create tasks, send email or SMS, issue reminders and notify team members, using 53 triggers across 11 areas, conditions and timed waits. Email automations start at Cadet, SMS steps at Voyager and AI-drafted workflows at Commander; call triggers need a plan with voice. Check the exact trigger, owner and review step with a simulated test run before you switch the workflow on.

Can we manage our client engagement letters and billing in one place?

Yes. Send engagement letters as Proposals with e-signing and convert them into invoices. Clients review proposals and pay their invoices inside the client portal, so your firm tracks financial milestones alongside active projects and tasks.

See where Workspace369 fits into your client-work flow.

Start with the modules you need today, then turn on AI, automations, accounting, inventory, requests, and reporting as the operation grows.

14-day free trial. Card required. After the trial: from $29/month. Renews automatically every month until you cancel. Cancel anytime in Settings → Billing.