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Custom software for law firms

Custom law firms software is a system built around how your practice actually takes in, works and bills matters: client intake and conflict checks, case management, a client portal, document assembly and connections to your billing and accounting tools. Zoti builds this kind of software for small and mid-sized firms, starting at $499/month.

Updated November 3, 2026

Starts at
$499/month
Best for
Firms whose intake or matter workflow does not fit a generic tool
Common builds
Intake, case management, client portal, billing sync

Where small firms lose time

Most of the friction in a small or mid-sized firm is not in the legal work. It is in everything around it. A lead calls after hours and nobody follows up until Monday. An intake form collects half the facts, so a paralegal calls back for the rest. The conflict check means searching three places. Deadlines from a scheduling order are typed into a calendar by hand. Clients email asking for status because they have no other way to see it.

Practice area matters too. A personal injury firm tracks medical treatment, liens and settlement math. A family law firm juggles financial disclosures and custody schedules. An immigration practice lives on form versions, receipt notices and government processing steps. An estate planning firm runs closer to a production line, with questionnaires, drafts, signing meetings and funding follow-ups. Generic software handles some of this and leaves the rest to spreadsheets and memory.

What custom law firms software includes

  • Client intake software: web and phone intake that asks practice-specific questions, scores leads, runs a conflict check against past and current parties, and sends engagement letters for e-signature.
  • Case management software: matters with the fields your practice needs, task templates per case type, deadline calendars and a clear view of who owns each next step.
  • Client portal: a secure login where clients upload documents, answer questionnaires, see status in plain English, sign and pay.
  • Document assembly: letters, pleadings and agreements generated from your own templates and the matter record.
  • Billing integrations: time entries and expenses that flow to your billing tool, and trust balances and invoices that sync with accounting, so nobody re-keys numbers.
  • Reporting: intake sources, conversion rates by practice area, matter age and work in progress, built on the numbers partners actually look at.
  • Integrations with the tools you already use, such as email, calendars, phone systems, e-signature and payment processors.

Clio, MyCase or custom case management software?

Clio and MyCase are well-established practice management platforms used by many small firms, and for a lot of practices they are the right answer. They cover time tracking, billing, calendars, documents and client communication out of the box, and they connect to a wide range of other tools.

Custom software makes more sense when your workflow is the product. Common examples: a high-volume intake operation with its own qualification rules, a practice area with unusual data (liens, visa categories, policy limits), a firm that wants one portal across several offices or brands, or a team that keeps a large spreadsheet next to its practice management tool because the tool cannot hold what they track. It also does not have to be all or nothing. Many firms keep their practice management platform for billing and add a custom intake system or client portal that connects to it.

Confidentiality, trust accounting and record keeping

Law firm software holds privileged information, so it needs access controls by role and matter, an audit trail of who viewed and changed what, encrypted storage and a clear plan for backups and retention. If the system touches client funds, trust accounting has to stay separate from operating money and reconcile cleanly.

Rules on trust accounts, file retention, client communication and advertising vary by state and are set by each state’s bar. We build the software to support the policies your firm sets; your firm and its counsel decide what those policies need to be. Nothing on this page is legal advice.

How a project works

  1. Map the practiceWe sit with attorneys and staff and write down intake questions, case types, deadlines, documents and hand-offs.
  2. Design the screensYou click through intake forms, matter pages and the client portal before any code is written.
  3. Build in roundsIntake usually comes first because it pays off fastest, then case management and the portal, each in a round you review.
  4. Connect and migrateWe link billing, accounting, calendars and e-signature, and import contacts and open matters.
  5. Launch and adjustStaff are trained, and the monthly plan covers changes as your practice and forms evolve.

Where AI fits

AI is useful for summarizing intake calls, pulling dates from court notices, sorting incoming documents and drafting routine letters from templates, with an attorney reviewing anything that goes out. Our page on AI for law firms covers this in more detail. Most firms get more value from clean intake and case data first, because AI works better on organized records.

We also build for accounting firms, insurance agencies, mortgage brokers and staffing agencies businesses in professional services.

Questions

Common questions

What is the best software for law firms?

It depends on your practice area, size and how much of your workflow is standard. Clio and MyCase suit many small firms that want billing, calendars and documents in one place. If you keep tracking key information outside your current tool, or intake is where you lose cases, a custom system or a custom add-on is worth pricing out.

How much does custom law firm software cost?

With Zoti, custom projects start at $499/month, covering design, development, hosting and ongoing changes. The final price depends on scope, such as whether you need intake only or full case management, and how many systems it connects to. You get a written quote before work starts.

Can custom client intake software connect to Clio or MyCase?

Often, yes. Both offer ways for other software to connect, so a custom intake system can create contacts and matters in your practice management tool. We confirm what the connection can and cannot do during planning, before you commit.

Is custom case management software secure enough for privileged information?

It can be, if it is built with role and matter permissions, encryption, audit logs and sound backups. Those are standard parts of how we build legal software. Your firm still sets the policies on access and retention, which vary by state.

Can we start with just a client portal?

Yes. A client portal or intake system is a common first project. It can sit alongside your current practice management software and grow from there if it proves useful.

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