Invoicing Software for Architecture Firms

Architecture invoicing for phased design services requires a billing structure that mirrors the owner-architect agreement. Most contracts — whether based on AIA B101 or a custom form — divide the fee across schematic design, design development, construction documents, and construction administration, each with a defined percentage of the total.

Billed lets you create milestone invoices for each phase tied to a single project record. When schematic design closes at 15% of the contract value, that invoice references the phase, the percentage complete, and cumulative billing to date. If design development extends because the client requests additional massing studies or material explorations, you adjust the next invoice without rebuilding the entire billing history.

This phase-aligned approach means your invoices read the way your clients expect — not as generic time-and-materials statements, but as documentation of design progress against the contracted scope. Owners, project managers, and institutional AP departments process these invoices faster because the format matches what they already track internally.

Architecture firms routinely coordinate structural engineers, MEP consultants, landscape architects, civil engineers, and specialty consultants like lighting or acoustics. Under most owner-architect agreements, these consultant fees are either included in the basic services fee or billed as a separate reimbursable category.

Billed lets you add each consultant's charges as a labeled pass-through line item. Your client sees the structural engineer's fee, the MEP consultant's invoice amount, and any other subconsultant costs broken out individually — not buried in a lump sum. This transparency matters when the client's finance team reconciles your invoice against their own consultant agreements or project budgets.

Reimbursable expenses compound the complexity. Large-format printing for permit sets, travel to distant project sites, 3D rendering services, physical model materials, and permit application fees all belong on the invoice with clear descriptions and project tags. Billed captures these expenses as they occur, so nothing falls through the cracks between the expense and the next billing cycle.

Institutional clients, universities, government agencies, and commercial developers often require invoices formatted around percentage-of-completion reporting. This convention, rooted in AIA document G702 (Application and Certificate for Payment) and G703 (Continuation Sheet), tracks contract value, work completed to date, previous billings, current amount due, and retainage if applicable.

Billed structures invoices to include these elements so your billing application looks familiar to owners and their representatives. When a project architect submits an invoice showing 40% completion of construction documents against a $320,000 contract, the owner can verify cumulative billing and remaining balance without requesting supplemental documentation.

Standardized formatting eliminates the most common reason architecture invoices stall: the client's AP department sends the invoice back because it does not match their internal tracking format. By aligning your output with what institutional clients already expect, you reduce the review cycle from weeks to days and maintain predictable cash flow across long-duration projects.

Most architecture contracts define a fixed fee for basic services and a separate hourly rate for additional services — code research beyond standard scope, owner-requested design alternatives, expedited permit coordination, or post-occupancy evaluations. These additional services represent real revenue, but only if they are tracked and invoiced accurately.

Billed lets team members log hours against specific additional service categories or change order numbers. When the client requests a fourth lobby design option outside the contracted scope, those hours accumulate under a labeled task, not mixed into the base fee time log. The resulting invoice shows additional services as a distinct section with hourly rates, staff names, task descriptions, and total hours.

This separation protects both parties. The client sees exactly what additional work was performed and why, while your firm captures revenue that would otherwise be absorbed as unpaid scope creep. For firms where additional services routinely account for 10-20% of project revenue, disciplined tracking is the difference between a profitable project and a break-even one.

Architecture firms typically collect an initial retainer or first-phase deposit before commencing design work. This retainer — often equivalent to the schematic design fee — secures the project on the firm's schedule and funds early-stage programming, site analysis, and concept development.

Billed lets you send a retainer invoice with an online payment link so clients can pay by card or bank transfer without mailing a check. Payment confirmation triggers automatically, giving your project team a clear signal to begin work. As the project advances, the retainer draws down against billings for the first phase, and subsequent invoices reflect the credit applied.

For firms managing multiple projects at different stages, retainer tracking prevents the common problem of starting work before the deposit clears. Each project record shows the retainer collected, the amount applied, and the remaining balance, giving your office manager or controller a clean view of obligations across the portfolio.

Understanding which projects and phases are profitable — and which erode margins — requires comparing billed fees to actual hours invested. A residential renovation that bills $45,000 in total fees but consumes 620 staff-hours tells a different story than a commercial tenant improvement at the same fee with 380 hours.

Billed tracks hours and fees per phase, so you can see that construction administration consistently runs over budget while schematic design stays within projections. This phase-level granularity helps principals adjust fee proposals on future projects — allocating more budget to CA on complex projects or tightening SD timelines on repeat project types.

Profitability reporting also reveals client-segment patterns. If institutional projects yield 22% margins while single-family residential averages 8%, that data informs business development priorities. Over time, your firm builds a dataset of actual project economics that replaces gut-feel pricing with evidence-based fee structures.