In 2012, DocuSign's per-envelope pricing model made sense. E-signatures were a novelty, and firms were sending a handful of documents for signing each month. Paying $1-3 per signature felt reasonable for the convenience of going paperless.
In 2026, that pricing model is a relic — but it is still the default for most e-signature platforms. Professional service firms have changed. They send e-signatures constantly: engagement letters, retainer agreements, consent forms, disclosure notices, audit reports, corrective invoices. For a mid-size accounting or law firm, "a handful per month" has become 50, 100, or 200+ signatures. The cost has grown from a minor line item to a significant operational expense that most firms have never actually calculated.
The Real Cost of Per-Signature Pricing
Let's look at the numbers honestly. DocuSign's most popular plan for professionals is their Business Pro tier at $65/month per user — but that plan only includes 100 envelopes per month. Go over and you pay $0.50 to $3.00 per additional envelope, depending on your contract. Adobe Acrobat Sign operates similarly, with their Business tier at $42.99/month per user covering 150 transactions, then charging for overages.
Here is a realistic cost breakdown for a firm with three users sending signatures regularly:
Scenario: 3-person accounting firm, 120 signatures/month
DocuSign Business Pro (3 users): $195/month Overage charges (20 envelopes × $1.50 avg): $30/month Additional features (advanced fields, bulk send): $15/month Total: ~$240/month
Adobe Acrobat Sign Business (3 users): $128.97/month Overage charges (20 transactions): $24/month Total: ~$153/month
Middledoc Team plan (includes unlimited signatures): $39/month Overage: $0 Total: $39/month
Annual savings vs DocuSign: ~$2,412 Annual savings vs Adobe: ~$1,368
For larger firms on Firm plans sending 300-500 signatures per month, the numbers are more dramatic. A law firm with five users on DocuSign's Business Pro plan, regularly exceeding their envelope allotment, can easily spend $400-600/month on signatures alone. At Middledoc's Firm plan rate of $79/month with unlimited signatures, that is a savings of $4,000-6,000 per year — enough to fund another team member's software stack entirely.
Why Per-Signature Pricing Persists
The dirty secret of per-signature pricing is that it incentivizes platforms to limit your use. When every signature costs money, you think twice before sending one. You consolidate documents into single envelopes in ways that compromise your workflow. You send fewer follow-up signature requests. You batch work into awkward bundles to stay under your monthly allotment.
This friction has a real cost beyond the dollar amount. Workflows that should be fluid — send engagement letter, get signed, start work — become calculative. Team members start asking whether something "really needs a signature" when the answer should always be yes if you want an audit trail. Compliance suffers. Client experience suffers. The per-signature model is not just expensive; it actively shapes your behavior in ways that hurt your firm.
What You Actually Need from E-Signatures
Before choosing a solution, it helps to understand what e-signature capability actually requires. At the core: a way to place signature fields on a document, capture a legally binding signature from the recipient, generate a timestamped audit trail, and produce a PDF with the signature embedded.
Middledoc's e-signature implementation covers all of these. You can place signature fields, initials fields, date fields, and free-text fields on any PDF. Clients sign directly from their browser on any device — desktop, tablet, or phone — with no plugin or app required. The signed document is returned as a PDF with the full audit trail embedded, including timestamp, IP address, and signer identity. This meets the legal standard for e-signatures under ESIGN, UETA, and eIDAS.
The key difference: all of this is included at $0 per signature on every Middledoc plan. The Solo plan at $19/month includes unlimited e-signatures. The Team plan at $39/month includes unlimited e-signatures. The Firm plan at $79/month includes unlimited e-signatures. There are no envelope counts, no monthly allotments, no overage charges, and no hidden fees.
The Upload + Signature Workflow
One advantage of Middledoc's integrated approach is that signatures and document collection live together. Rather than switching between a document portal and a separate e-signature tool, clients experience a single workflow: they visit their portal link, upload the requested documents, and sign any documents requiring signatures — all in one session.
This matters because context switching is where submissions get abandoned. When a client needs to finish uploading their bank statements and then also sign their engagement letter, making them open a separate DocuSign email mid-flow costs you completion rates. The integrated approach keeps everything in one place and one session.
Making the Switch
Switching from DocuSign or Adobe Sign to Middledoc is operationally straightforward. Your existing signed documents remain in your old platform — you do not need to migrate them. New engagement letters and signature requests go through Middledoc from the day you switch. The transition takes an afternoon: set up your first document request template, upload your standard engagement letter, place the signature fields, and send your first client link.
For firms that have been on DocuSign or Adobe Sign for years, the annual savings calculation tends to be the most persuasive argument. Add up what you are currently spending on per-signature fees and platform subscriptions, then compare it against Middledoc's flat monthly rate. For most firms of three or more people, the savings in the first year more than justify any migration cost in time or effort. The math is simply too compelling to ignore.