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Custom software for professional services

Professional services firms bill for time and expertise, so most of their software problem is administrative drag — hours that go to chasing status, assembling reports, and re-entering data across tools. Appex Technology builds client portals, billing and time systems, and operations tooling for agencies, consultancies, accounting firms, and law practices, self-hosted so cost stops scaling with headcount.

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The problem

What tends to get in the way

Per-seat pricing punishes growth

A CRM, a project tool, and a time tracker each charging per user means every hire raises three bills at once.

Clients ask for status by email

Answering the same question repeatedly is unbilled work that quietly consumes senior time.

Utilisation is hard to see

When time, projects, and invoices live in separate systems, the numbers leadership needs get assembled by hand.

Manual invoicing

Turning tracked hours into invoices is a repeatable rule set, yet it is usually still done person by person each month.

What we build

Systems built for this sector

Client portalStatus, deliverables, documents, and invoice history in one place, so clients stop emailing to ask.
Time and billingTime capture through to invoice, reconciled with your accounting system.
Project and resource trackingWho is on what, what is at risk, and where capacity actually sits.
Utilisation reportingLive figures on realisation and margin rather than a month-end spreadsheet exercise.
Document workflowsEngagement letters, approvals, and e-signature routed automatically.

What shapes the build

Constraints we design around

These shape architecture from the start. Retrofitting them later is consistently more expensive than designing for them up front.

Client confidentiality obligations, which self-hosting helps with by keeping data in your own account
Conflict-of-interest checks where the practice requires them
Retention and destruction schedules that differ by client and matter type
Trust or client-money accounting rules in regulated practices

Where to start

Services that apply here

B2B Solutions

Client portals, billing, integrations, and operations software that scale with enterprise sales motions.

Open-Source Platform Customization

We customize and self-host mature open-source platforms so you own your stack, skip per-seat SaaS fees, and ship in weeks, not quarters.

Custom Software Development

Bespoke web and mobile applications engineered around your exact workflows — not off-the-shelf compromises.

Often built with

Platforms that fit this sector

Twenty

A modern open-source CRM. Custom objects, pipelines, and workflows, self-hosted on your stack.

Replaces Salesforce, HubSpot

EspoCRM

A lightweight, highly configurable CRM for teams that want a fast, no-frills sales system.

Replaces Zoho CRM

Documenso

Open-source e-signatures so contracts and approvals stay on infrastructure you control.

Replaces DocuSign

Plane

Project and issue tracking for teams that want their roadmap on their own infrastructure.

Replaces Jira, Linear

ERPNext

Full open-source ERP — accounting, inventory, HR, and operations in one self-hosted suite.

Replaces NetSuite, SAP

FAQ

Professional Services — common questions

What software do professional services firms actually need?+

In practice: a CRM for pipeline, project and resource tracking for delivery, time capture and billing for revenue, and a client-facing surface so status requests stop arriving by email. Most firms buy these as four separate per-seat products and then spend real effort keeping them in agreement — consolidating them is usually where the biggest gain sits.

Can you replace our per-seat tools?+

Often, yes. Self-hosted platforms cover CRM, project tracking, and document workflow well, and can be customized to your process rather than the vendor’s. Whether it is worth doing depends on how well your current tools fit and how much manual work sits between them — we assess that honestly during scoping, including when the answer is to stay put.

How do you handle client confidentiality?+

Self-hosting is the main lever: the system runs in your cloud account, so client data never sits on a vendor’s servers. On top of that we build role-based access so staff see only their matters, and can add audit logging where your obligations require it.

Will our clients actually use a portal?+

Only if it is the fastest route to something they already want — usually current status, documents, or invoices. Portals that merely duplicate email get ignored. We scope around the question your clients ask most and make the portal the best answer to it.

Can it integrate with our accounting software?+

Yes — QuickBooks, Xero, and NetSuite are all common, so invoices, payments, and time flow through without re-keying. Anything with an API can be connected.

Other industries

Healthcare & Wellness Fintech & Finance E-commerce & Retail Real Estate & PropTech Startups & Founders

Building for professional services?

Tell us about your process and current systems — we'll scope it and send a fixed estimate before any work starts.

Start a project info@appextechnology.com