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Integrated Time Accounting for Project Management Platforms

Track hours at the task level, generate timesheets, and connect effort data to billing and payroll. Purpose-built time accounting for project teams.

Time accounting and timesheet management for project teams

Knowing how much time your team spends on each project task is fundamental to financial health. Underestimating effort leads to projects that burn through budget, while inaccurate time records result in under-billing or payroll disputes. Yet many project teams still log hours in disconnected spreadsheets that nobody cross-references with the project plan. Integrated time accounting eliminates this gap by letting team members record time directly against the tasks they are working on, within the same tool they use for project management. Every logged hour is attributed to a project, phase, and task, giving project managers and finance teams granular visibility into where effort is actually going. This data feeds into profitability analysis, client invoicing, and future estimation. When time records live alongside the project plan, comparing estimated versus actual effort becomes a one-click operation instead of a monthly spreadsheet exercise.

How does it work?

Team members log time through one of three methods: a running timer that they start and stop while working, a manual entry form where they record hours after the fact, or a weekly timesheet grid that shows all their assigned tasks in a calendar layout. Regardless of the entry method, every time record captures the same core data: user, task, date, duration, and an optional description of the work performed. Entries can be tagged as billable or non-billable, and the billing rate is pulled automatically from the project’s rate card or the team member’s role-based rate. Submitted time entries enter an approval workflow where the project manager reviews and approves or rejects them. Approved entries are locked from further editing to maintain audit integrity. The timesheet view provides weekly and monthly summaries per person, project, or client. Financial dashboards show billable utilisation rates, revenue per project, and budget consumption in real time. For organisations that bill clients on a time-and-materials basis, the module can generate draft invoices based on approved billable hours, complete with task-level line items. Integration with payroll ensures that approved hours flow into compensation calculations without re-entry.

Capabilities

Multiple Entry Methods

Supports a running timer, manual after-the-fact entry, and a weekly timesheet grid, catering to different working styles.

Billable / Non-Billable Tagging

Each time entry is categorised as billable or non-billable, with rates pulled automatically from the project rate card.

Approval Workflow

Submitted time entries are routed to the project manager for review. Approved entries are locked to maintain audit integrity.

Budget vs Actual Reporting

Compares estimated effort against actual logged hours at the task, phase, and project level, highlighting overruns early.

Invoice Generation

Generates draft client invoices based on approved billable hours, with task-level detail for transparent billing.

Integration options

Payroll System

Exports approved time records to your payroll provider so that compensation reflects actual hours worked without duplicate data entry.

Accounting Software

Syncs billable hours and generated invoices to Exact Online, Xero, or QuickBooks for revenue recognition and financial reporting.

Calendar Integration

Pre-fills time entries based on calendar events, reducing the effort required for team members to log their hours accurately.

Implementation steps

  1. 1

    Rate Card Configuration

    Define billing rates per role, project, and client, including any special rate agreements for specific engagements.

  2. 2

    Entry Interface Development

    Build the timer, manual entry form, and weekly timesheet grid, all writing to the same backend time record API.

  3. 3

    Approval Workflow

    Implement the submission, review, and approval flow with notification triggers and entry locking upon approval.

  4. 4

    Reporting & Invoicing

    Develop the budget-vs-actual dashboards and the invoice generation module that pulls from approved billable entries.

  5. 5

    Integration Setup

    Connect the time accounting module to payroll and accounting systems, and configure the calendar pre-fill feature.

User experience

The time entry interface appears contextually within the task detail view, so team members log hours where they are already working. The weekly timesheet grid provides a familiar spreadsheet-like experience for those who prefer batch entry. A personal dashboard shows each team member their logged hours versus target for the week.

Technical stack

Next.jsNode.jsPostgreSQLRedisREST APIResend

Security

Approved time entries are immutable. Only administrators can unlock and modify them, with all changes logged. Rate card data is accessible only to users with finance or project management roles.

Maintenance

Rate cards need updating when contracts change. Approval workflow rules should be reviewed as team structures evolve. Budget approximately 30 hours per year for maintenance.

Further reading

SolutionsInteractive Gantt Chart Planning for Custom Project ToolsReal-Time Budget Monitoring for Custom Project PlatformsProject Management Software Purpose-Built for ConstructionKeeping Manufacturing on Track with Custom Project Management

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Frequently asked questions

Yes. A running timer is available alongside manual entry and the weekly timesheet grid. All three methods write to the same time record, so the data is always consistent.
Rates are pulled from a configurable rate card that can be set per role, per project, or per client. The system applies the most specific rate available for each time entry.
Yes. The module generates draft invoices based on approved billable entries, with task-level line items that provide full transparency to your clients.

Need this functionality?

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Related articles

Interactive Gantt Chart Planning for Custom Project Tools

Visualise project timelines, dependencies, and milestones on an interactive Gantt chart built into your custom project management platform.

Real-Time Budget Monitoring for Custom Project Platforms

Keep projects financially healthy with live budget tracking, burn-rate alerts, and forecast-to-complete calculations integrated into your project tool.

Project Risk Management Module for Custom Platforms

Identify, assess, and mitigate project risks systematically. A risk register with scoring, ownership, and mitigation tracking built into your project tool.

Project Management Software Purpose-Built for Construction

Construction projects involve dozens of trades, shifting timelines, and tight budgets. A custom project management platform keeps everything on track from foundation to handover.

From our blog

5 Signs Your Business Needs Custom Software

Jordan · 6 min read

Custom E-Commerce: When Shopify Is No Longer Enough

Jordan · 7 min read

Why Invest in Custom Software in 2025

Jordan · 7 min read

MG Software
MG Software
MG Software.

MG Software builds custom software, websites and AI solutions that help businesses grow.

© 2026 MG Software B.V. All rights reserved.

NavigationServicesPortfolioAbout UsContactBlogCalculator
SolutionsAll solutionsKnowledge BaseComparisonsAlternativesTools
LocationsHaarlemAmsterdamThe HagueEindhovenBredaAmersfoortAll locations
IndustriesLegalEnergyHealthcareE-commerceLogisticsAll industries