Billing is where law firm software either earns its keep or creates the most risk. Get it right and invoices go out on time, clients pay from their phones, and trust funds stay cleanly separated from operating funds. Get it wrong and you face late payments, awkward reconciliation, and potential ethics exposure.
Clio's 2025 Legal Trends Report found that over half of potential clients would prefer modern service models like flat fees or subscriptions, and that 64% of mid-sized firms already offer flat-fee billing. Billing software has to support more than hourly time entries.
Last reviewed: September 2026. Features and pricing come from vendor sites and 2026 review-site reporting. Confirm details with each vendor. State trust accounting rules vary, and attorneys remain responsible for compliance.
Quick answer
- Best billing and trust handling on the same record as the client workspace: Relaw
- Best-known platform with trust accounting and Clio Payments: Clio Manage
- Best all-in-one with LawPay integration: MyCase
- Best native legal accounting without QuickBooks: CosmoLex
- Best value for full trust and operating accounting: PracticePanther Business Pro
- Best for automatic time capture into invoices: Smokeball
- Best for firms living in QuickBooks Online: LeanLaw
- Best for dedicated time and e-billing: TimeSolv and Bill4Time
What to look for in legal billing and trust software
- Trust and operating separation - every payment goes to the right account
- Per-client trust balances - and the ability to apply trust funds to invoices
- Reconciliation and statements - deposits reconciled and monthly statements produced
- Flexible billing - hourly, flat fee, and retainer-based work
- Payments - card and ACH, payment links, and text-to-pay
- Invoice delivery and reminders - by portal, email, and text
- Time-to-invoice flow - unbilled time becomes an invoice in a few clicks
- Reporting - collections, outstanding balances, and revenue
The 8 best legal billing and trust accounting tools in 2026
1. Relaw - best billing and trust handling on the same record as the client
Best for: Flat-fee, hourly, and retainer-based firms that want billing, payments, and trust handling connected to intake, documents, the portal, and time.
Relaw's billing module is part of the legal operating system, and payments are powered by Confido, a payments partner built for legal trust compliance.
What Relaw includes:
- Trust and operating routing - when you create a payment link or invoice, you choose whether funds go to trust or operating
- Client trust balances - see what each client holds in trust and apply trust funds to invoices
- Deposit reconciliation - deposits are matched and reconciled
- Monthly statements - produce statements for clients and your records
- Manual recording - checks, wires, and trust applications recorded alongside card and ACH payments
- Invoices from unbilled time - a timer inside the client and matter views feeds invoices directly
- Delivery choices - send invoices by client portal, email, or text, with linked payment reminders
- Billing settings - rounding, rates, and invoice defaults set at the firm level
Pricing: Relaw Standard from $269 per month on annual billing and Pro from $349 per month on annual billing. Time keeping and payments are optional modules. Payment processing fees apply; confirm current rates during onboarding.
Honest limits: Relaw handles client billing, payments, and trust funds, not firm-wide bookkeeping, payroll, or tax accounting, which stay with your accountant or accounting software. Contingency-fee accounting and LEDES e-billing are not core features, so firms that bill insurers or corporate clients through e-billing portals may need a dedicated tool.
Why it ranks first here: The billing tool is rarely the problem. The problem is getting from work done to money collected. In Relaw the meeting, the time entry, the invoice, the portal notification, the text reminder, and the trust-aware payment are one connected flow.
2. Clio Manage - best-known platform with trust accounting and payments
Best for: Firms that want a market-standard platform with a large integration catalog.
Clio Manage includes time and billing, trust accounting, and Clio Payments for card and online payment collection. Reported 2026 annual pricing runs from about $49 to $149 per user per month. Clio also offers Text to Pay.
Strengths: Ecosystem, familiarity, integrations. Limits: Per-user cost grows with headcount, and some features sit in higher tiers or add-ons.
3. MyCase - best all-in-one with LawPay
Best for: Small firms that want billing, payments, and trust accounting with a simple interface.
MyCase is owned by AffiniPay, the company behind LawPay, and includes automated trust reconciliation. Reported annual pricing ranges from roughly $39 to $130 per user per month depending on plan and term.
4. CosmoLex - best native legal accounting
Best for: Firms that want trust, billing, and business accounting in one ledger and do not want QuickBooks.
CosmoLex is reported at roughly $99 to $149 per user per month. Its accounting depth is its strength; its client experience and AI are lighter.
5. PracticePanther - best value with full trust and operating accounting
Best for: Solos and small firms that want accounting depth at an accessible price.
Reported annual pricing runs from about $49 to $114 per user per month. Business Pro is the tier that adds fuller trust and operating accounting.
6. Smokeball - best for automatic time into invoices
Best for: Firms that want passive time capture flowing into billing.
Smokeball does not publish a per-user price; its site shows only a "from $149 per month" starting figure. Some sources say firms report paying roughly $170 to $270 or more per user per month depending on plan and contract term, so get a written quote.
7. LeanLaw - best for QuickBooks Online users
Best for: Firms that keep QuickBooks Online as their ledger and want legal billing on top of it.
LeanLaw is reported at around $75 per user per month.
8. TimeSolv and Bill4Time - best for dedicated time and e-billing
Best for: Firms that need LEDES e-billing or want a focused time and billing tool.
These are billing-first products. Entry pricing is reported in the tens of dollars per user per month, with more advanced tiers costing more. They typically pair with separate practice management software.
Comparison table
| Capability | Relaw | Clio Manage | MyCase | CosmoLex | PracticePanther | Smokeball |
|---|---|---|---|---|---|---|
| Trust and operating separation | Yes | Yes | Yes | Native | Yes (Business Pro) | Yes |
| Per-client trust balances | Yes | Yes | Yes | Yes | Yes | Yes |
| Payments | Confido | Clio Payments | LawPay | Yes | Yes | Yes |
| Text or portal invoice delivery | Yes | Yes | Yes | Limited | Yes | Yes |
| Flat fee and retainer support | Yes | Yes | Yes | Yes | Yes | Yes |
| Same record as intake, docs, portal | Yes | Partial | Partial | Limited | Partial | Partial |
| LEDES e-billing | Not core | Add-on | Limited | Yes | Limited | Limited |
| Native accounting ledger | No | Limited | Limited | Yes | Limited | Limited |
What it really costs
Billing costs come from several places: the per-user platform fee, payment processing, add-ons for trust accounting or e-billing, and often a separate accounting tool. Clio, MyCase, and PracticePanther price per user and by tier, CosmoLex and LeanLaw add their own per-user fees, and dedicated tools like TimeSolv or Bill4Time are an additional subscription on top of practice management. Processing fees apply with every vendor.
Relaw's time keeping, invoicing, and trust-aware payments run inside the same platform as the rest of the firm, so you avoid paying twice for a billing tool that does not know your clients or matters. Ask each vendor for a total that includes processing, add-ons, and onboarding.
How to choose
- If billing should be part of one client workspace, shortlist Relaw
- If you need a native ledger, look at CosmoLex
- If you need LEDES, look at TimeSolv or Bill4Time
- If you want the largest ecosystem, look at Clio
Ask each vendor: How is trust routed at the time of payment? Can I apply trust funds to an invoice from the invoice screen? What does my state bar require, and what reports does the tool produce?
FAQ
What is the best legal billing software with trust accounting?
Relaw is a strong choice for firms that want billing and trust handling on the same record as intake, documents, and the portal. Clio, MyCase, and PracticePanther are established options, and CosmoLex has native legal accounting.
What is trust accounting software for lawyers?
It tracks client funds held in trust separately from operating money, records deposits and disbursements per client, shows trust balances, and produces the statements needed for compliance. Rules vary by state.
How does trust accounting work in Relaw?
Relaw payments, powered by Confido, let a firm route a payment to trust or operating funds, track client trust balances, apply trust funds to invoices, reconcile deposits, record manual payments, and produce monthly statements.
Does Relaw replace my accountant or bookkeeping software?
No. Relaw handles client billing, payments, and trust funds. Bookkeeping, payroll, and tax accounting stay with your accountant or accounting software.
Related Relaw guides
- Best Legal Time Tracking Software
- Best Law Firm Text Messaging Software
- Best Legal Practice Management Software
- Best Law Firm Client Portal Software
Conclusion
The best billing software gets you from work done to money collected with trust funds handled correctly. Relaw connects time, invoices, portal delivery, texts, and trust-aware payments in one workflow.