The average accounting firm uses 8–12 software tools. Most firms are either paying for tools they don’t use, or missing tools that would save them hours each week. This guide covers what you actually need, what’s optional, and how to build a tech stack that works without breaking the budget.
The Core Stack (Every Firm Needs These)
1. Accounting Software
The foundation. This is where client books live.
| Tool | Best For | Price |
|---|---|---|
| QuickBooks Online (QBO) | US and international firms | $30–200/month per client subscription |
| Xero | AU, NZ, UK firms + international | $29–78/month per client subscription |
| MYOB | AU firms | $25–130/month |
Most firms standardize on one platform — either QBO or Xero. This simplifies training, reduces errors, and makes it easier to hire staff who know your system.
Tip: If your clients are on different platforms, you still need to be proficient in all of them. But push new clients toward your preferred platform when possible.
2. Practice Management Software
This is where your firm’s work lives — jobs, clients, deadlines, team workload, and client communication.
| Tool | Best For | Price |
|---|---|---|
| Tidyflow | Small firms (1–30), all-in-one | $25–44/user/month |
| Karbon | Mid-size firms (5–100+), email-heavy | $59–79/user/month |
| Canopy | Modular needs, tax resolution | ~$40/user/month per module |
| TaxDome | Tax-focused firms | ~$50/user/month |
Practice management is the single most impactful tool after accounting software. Without it, you’re tracking work in spreadsheets, email, and memory — which breaks at about 15 clients.
Tidyflow is a strong choice for small firms because it includes practice management, client portal, invoicing, e-signatures, and client requests in one tool — replacing 3–4 separate subscriptions. Start at $25/user/month with a free trial.
3. Tax Preparation Software
For firms that prepare tax returns.
| Tool | Best For | Price |
|---|---|---|
| Drake Tax | Small US firms | ~$1,500–4,000/year |
| UltraTax CS | Mid-large US firms (Thomson Reuters) | Quote-based |
| Lacerte (Intuit) | US firms wanting Intuit ecosystem | ~$430–4,700/year |
| ProConnect (Intuit) | Cloud-based US firms | Per-return pricing |
4. Communication
| Tool | Use Case | Price |
|---|---|---|
| Email (Gmail/Microsoft 365) | External client communication | $6–12/user/month |
| Client portal (Tidyflow, etc.) | Secure document exchange | Often included in PM software |
| Slack or Microsoft Teams | Internal team chat | Free–$8/user/month |
| Zoom or Google Meet | Video calls | Free–$15/month |
Key principle: External client communication should flow through your practice management software or client portal — not scattered across personal inboxes.
5. Password Manager
Non-negotiable for security.
| Tool | Price |
|---|---|
| 1Password | $4–8/user/month |
| Bitwarden | Free–$4/user/month |
Every login should have a unique, complex password. No exceptions. See our cybersecurity guide for more on securing your firm.
The Recommended Stack (High Value, Not Essential)
Document Management
If your practice management software includes document storage (Tidyflow does), you may not need a separate tool. Otherwise:
| Tool | Price |
|---|---|
| Google Drive | Free–$12/user/month |
| Dropbox Business | $15–24/user/month |
| SharePoint (Microsoft 365) | Included with M365 Business |
Cloud Backup
| Tool | Price |
|---|---|
| Backblaze | $7/computer/month |
| CrashPlan | $10/computer/month |
Your accounting software and practice management software handle their own backups. But your local files, email, and anything stored on desktops/laptops needs independent backup.
Email Marketing
| Tool | Price |
|---|---|
| Mailchimp | Free (500 contacts) – $20+/month |
| ConvertKit | $15+/month |
For sending newsletters, tax deadline reminders, and client updates at scale. See our guide on getting more accounting clients for how email marketing fits into your growth strategy.
What You Probably Don’t Need
CRM software (HubSpot, Salesforce). Unless you have a dedicated sales team and a high-volume lead pipeline, your practice management software handles client management. Adding a CRM creates duplicate data and unnecessary complexity.
Dedicated project management (Asana, Monday, ClickUp). These are general-purpose tools that require extensive configuration for accounting work. Practice management software is purpose-built and a better fit. See our comparison of Tidyflow vs ClickUp and Tidyflow vs Asana for more detail.
Standalone e-signature tools. If your practice management software includes e-signatures (Tidyflow does), you don’t need DocuSign or PandaDoc. That’s $10–25/month saved per user.
Standalone client portal. Same logic — if your practice management tool has a portal, a separate one adds cost and fragmentation.
AI transcription/note-taking tools. Nice to have for client meetings, but not essential. Most firms are better off investing in core workflow tools first.
Cost Analysis: Lean vs Bloated Stack
Lean Stack (Solo/Small Firm)
| Category | Tool | Monthly Cost |
|---|---|---|
| Accounting | Xero (Partner program) | $0 (partner pricing) |
| Practice management + portal + invoicing + e-signatures | Tidyflow Solo | $25/user |
| Tax software | Drake | ~$125/month (annual) |
| Google Workspace | $7/user | |
| Password manager | Bitwarden | Free |
| Video calls | Google Meet | Free (included) |
| Backup | Backblaze | $7 |
| Total (solo) | ~$164/month |
Bloated Stack (Common Mistake)
| Category | Tool | Monthly Cost |
|---|---|---|
| Accounting | Xero | $0 |
| Practice management | Karbon | $59/user |
| Client portal | SmartVault | $20/month |
| Invoicing | Ignition/PandaDoc | $39/month |
| E-signatures | DocuSign | $15/month |
| CRM | HubSpot | $20/month |
| Project management | Asana | $11/user |
| Microsoft 365 | $12/user | |
| Password manager | 1Password | $8/user |
| Backup | CrashPlan | $10 |
| Total (solo) | ~$194+ /month |
The lean stack costs less and does more, because the practice management tool covers multiple functions.
Building Your Stack: Decision Framework
For each tool, ask:
- Does my practice management software already do this? If yes, don’t add a separate tool.
- Will my team actually use this? Unused software is wasted money. Start with the minimum and add tools when you genuinely need them.
- Does this integrate with my existing tools? Disconnected tools create data silos and double-handling.
- What’s the total cost including this tool? Factor in per-user pricing — a $10/user/month tool costs $600/year for a 5-person firm.
When to Add vs When to Consolidate
Add a new tool when: You’ve outgrown your current solution, your team spends significant time on a manual process that could be automated, or a specific function (like tax preparation) requires specialized software.
Consolidate tools when: You’re paying for overlapping functionality, your team switches between 3+ tools to complete a single workflow, or data lives in multiple places and is hard to reconcile.
Most small firms benefit from consolidation. One tool that does 80% of what you need is better than five tools that each do 20% perfectly.
Getting Started
If you’re starting from scratch or ready to simplify:
- Choose your accounting software (QBO or Xero)
- Choose your practice management software (Tidyflow if you want all-in-one)
- Choose your tax software (if applicable)
- Set up a password manager (today — this is a security essential)
- Add everything else only when you need it
Start lean, grow intentionally, and consolidate when tools overlap. Your tech stack should save time and reduce complexity — not create more of it.