A software agency's billing shape is genuinely different from most other service businesses: a project starts with a scoped deposit, moves through one or more milestone payments as work ships, and often ends with the client staying on for an ongoing maintenance or support retainer. Layer in that many dev shops bill internationally — a client in another country paying in their own currency — and a generic "send an invoice" tool starts showing its limits fast.
Deposits and milestones, without re-typing the scope
A build usually starts with a quote the client approves before any code gets written. BillRyt's quote converts in one click into a proforma invoice — the right document for requesting an upfront deposit before work starts, since it signals "payment due" without yet being the final tax invoice. As milestones ship, each converts to a real invoice referencing the same original scope, so nothing gets retyped between the proposal, the deposit request, and the final bill.
Maintenance retainers that don't need a monthly reminder
Once a build ships, a lot of agency revenue moves to ongoing maintenance — a fixed monthly retainer for bug fixes, small feature work, or uptime monitoring. BillRyt's recurring billing generates and sends these invoices on schedule automatically once the amount and frequency are set, so a $2,000/month maintenance contract with three clients doesn't mean three manual invoices to remember every month.
Clients who pay in a currency that isn't yours
Software work crosses borders more than most agency work — a local team building for a US-based startup, or a shop in one country supporting a client in another. Multi-currency invoicing is available on every BillRyt plan, including Free, so quoting and billing in the client's own currency is the default, not a workaround. Once you're ready to collect payment online, Stripe and PayPal connect for clients anywhere in the world, and Paystack — including M-Pesa in Kenya specifically — covers African clients; online payment collection requires Professional ($19/month) or above.
Seeing what's actually outstanding across every engagement
A software agency running several concurrent builds and a handful of maintenance retainers needs one place to see what's paid and what isn't — not five separate mental models per client. BillRyt's dashboard shows revenue and outstanding balances broken down by currency and auto-converted into one total, and the aging report buckets anything overdue into 0–30, 31–60, 61–90, and 90+ days, so a maintenance client who's quietly gone three months without paying doesn't stay invisible.
A worked example
A four-person dev shop is mid-build for a European client (quote approved, 30% deposit invoiced via proforma in EUR), maintaining a US client on a $1,500/month retainer (auto-invoiced), and just finished a local project (final invoice sent, awaiting payment). All three run through the same workspace, the same client list, and the same aging report — no separate spreadsheet tracking which milestone is due next or which retainer invoice went out this month.
Branding that holds up across a growing team
As a software agency adds developers, designers, or a project manager, the risk is documents starting to look inconsistent — a different template, a slightly different tone. BillRyt puts branding on the workspace, not the individual sender: logo, brand colour, and business details are set once and apply automatically to everything anyone on the team sends. On the Agency plan ($29/month), up to 15 team members share this with no per-seat fee, and BillRyt Books accounting is included, so growing revenue across builds and retainers reconciles automatically rather than becoming a bigger spreadsheet problem.
Scope changes without an awkward re-invoice
Software projects change scope more than most — a feature gets descoped, a milestone shrinks, a client requests a partial refund on work that didn't ship as planned. Rather than manually editing an invoice that's already been sent (and leaving both sides unsure what the "real" total is), a credit note applies the adjustment cleanly against the original invoice, with a clear record of what changed. That record matters more in software work than most fields, since scope disputes often get revisited months later.
Clients who can check status without pinging you
A client asking "did you get my deposit?" or "what's my current balance?" mid-sprint is a context switch away from actual development work. BillRyt's client portal gives clients a self-service answer instead — a passwordless magic-link login (a secure, 72-hour, single-use link, not a password to manage) showing their invoices, balance, and payment history, styled with your agency's branding rather than a generic tool. For a shop running several concurrent client relationships, that's a real reduction in interruptions that have nothing to do with the actual work.
Reporting that reflects how software agencies actually get paid
A generic revenue chart doesn't distinguish between a one-time milestone payment and predictable monthly retainer income, but a software agency planning its own runway needs to see that difference. BillRyt's dashboard shows revenue and outstanding balances broken down by currency and auto-converted into one total, so a founder can see project-based income and recurring retainer income side by side without manually separating them from a single combined figure — useful when deciding whether it's time to hire, whether this month's project revenue is a one-off rather than a trend to plan around, or whether the retainer base alone could cover payroll in a slower project month.
In short
A software agency's billing needs to handle three genuinely different rhythms — milestone-based project work, recurring maintenance retainers, and international clients paying in their own currency — without three different tools or a manually re-typed scope at every stage. That's the specific shape BillRyt's quote-to-invoice pipeline, recurring billing, and multi-currency support are built to match — one workspace covering deposits, retainers, and international clients, rather than three separate habits stitched together with manual reminders, a side calculation for currency conversion, and a spreadsheet tracking which milestone comes due next.
Start free to try the quote-to-invoice flow, then move to Agency ($29/month) when your team needs shared access.