E-signatures · Compared
Sequential against parallel signing
Sequential signing invites recipients one at a time, in the order set before sending, so each person is asked only once the person before them has finished. Parallel signing invites everybody at once and lets them sign in any order. The choice affects speed and what each signer can see.
Most documents are sent one way out of habit rather than choice. The test is simple: does anybody's decision depend on seeing what somebody else did.
Indunil Asanka · Co-founder
5 min read · Published
| Sequential | Parallel | |
|---|---|---|
| Who is invited first | Only the first position | Everybody, immediately |
| Typical elapsed time | The sum of everyone's delays | The longest single delay |
| What a later signer sees | The document with earlier signatures on it | The document as it was sent |
| Chasing | One person at a time, which is clearer | Everybody outstanding at once |
| Best for | Countersignatures, approvals, witnessing | Two or more parties who do not depend on each other |
The dependency test
Ask whether any signer needs to see another signature before making their own decision. A finance director signing after a project lead has committed, a witness attesting a signature they must observe, a guarantor signing once the principal has: those are genuine dependencies and the order exists for them. Two companies signing a mutual agreement have no dependency at all, and neither does a set of shareholders approving the same resolution. Where there is no dependency, sequencing converts a one day task into a five day one for no benefit.
What sequencing costs
Time, mostly, and it compounds. Each hop adds the recipient's own delay, which for a busy person is measured in days rather than hours, so a four party sequential document routinely takes a fortnight. It also concentrates risk: one person on leave stops everybody behind them, and nobody later in the order even knows the document exists yet. Where an order is genuinely needed for only one pair of signers, consider whether the rest can be positioned together rather than strung out behind them.
What parallel signing gives up
Control over what each person sees. In a parallel arrangement everybody receives the document as it was sent, so a party who would have wanted to see the other side's signature before committing does not get that. It also produces the occasional awkward case where somebody signs a document the other party then declines, which is untidy but rarely harmful. For most commercial agreements those costs are trivial next to the days saved, which is why parallel is the better default.
Mixed requirements
The setting applies to the envelope rather than to individual recipients, so a document is either sequential or it is not. Where two people belong at the same stage, giving them the same position in the order lets them be invited together while still sitting behind an earlier signer. Where the workflow genuinely needs a mixture that the ordering cannot express, that is usually a sign the transaction is two documents: an internal approval and an external agreement, each with its own recipients.
Enforcement is not cosmetic
With ordering on, the invitation is only issued to the lowest outstanding position, and every signing route checks that it is that recipient's turn before doing anything. Somebody who obtained a link early cannot sign ahead of their turn, because the check happens on the server rather than in the interface. That matters for documents where the sequence carries meaning, since an order enforced only by not sending an email would be no order at all.
Setting it, and one thing to watch
The choice is a switch on the envelope before sending, and it cannot be changed afterwards along with everything else about a sent envelope. Note that a newly created envelope has ordering enabled in the underlying record while the preparation screen shows the switch as off, so the safe habit is to set it deliberately either way rather than trusting the default. The definition of the setting itself, and what turning it on means for invitations, is covered on the signing order page. It is worth agreeing the arrangement with the other side before sending anything complicated. A quick message saying who signs first, and why, prevents the common exchange where one party waits for an invitation that was never coming because they sit third in an order nobody told them about. For a document with more than two parties, listing the sequence in the covering email costs one line and saves several rounds of chasing. Where the parties disagree about who goes last, that disagreement is usually about the commercial position rather than the software, and it is better surfaced before the document goes out than discovered halfway through. That conversation takes a minute, and it is often the difference between a document signed this week and one signed next month.
Questions people ask
Which should be the default for two party contracts?
Parallel, unless one side is countersigning. Two companies signing the same agreement have no reason to wait for each other, and inviting both at once typically halves the elapsed time. Reserve sequencing for the cases where somebody genuinely needs to see an earlier signature.
Can I change the order after sending?
No. Everything about a sent envelope is fixed, including the routing, because a document whose order could change after somebody signed would be a poor record. If the order is wrong, withdraw the request and send a corrected one. Anyone who had already signed keeps the record of what they signed, so nothing is lost except the time spent.
What happens if the first sequential signer declines?
The process stops and nobody later is invited, which is usually the outcome you want: the later parties never see a document that has already been rejected. Fix whatever caused the decline and send a fresh request to everybody. That protection is one of the better arguments for ordering a document with a real dependency in it.
Does the order change the legal effect?
Rarely. What matters is that everybody who needed to sign did so with intent. The order matters practically, because it controls what each person could see at the time, which is occasionally the fact a dispute turns on. Where seeing an earlier signature was material to somebody's decision, say so in the document rather than relying on the routing to prove it.
Can two people share a position in the order?
Yes. Giving two recipients the same position invites them together while keeping them behind an earlier signer, which is how a stage with two people at the same level is expressed without abandoning ordering altogether. Both are invited at the same moment, and the envelope waits for both of them before it moves on to the next position.
Is parallel signing less secure?
No. Verification methods are set per recipient and apply the same way in both arrangements, and every action is recorded identically. The difference is purely about who is invited when, not about how anybody proves who they are. If a document needs stronger assurance, change the verification method on the recipients rather than the ordering.
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Send a document for signingRelated questions
- What happens when someone declines to sign?Declining stops the request, emails the sender with any reason given, and leaves nothing further stamped. How it differs from ignoring a request or voiding one.
- What does countersign mean?To countersign is to sign after another party has signed, completing the document. How it differs from signing and initialling, and who should go last.
- What is signing order?Signing order sends the document to one person at a time, in sequence. When sequential signing matters and when it just slows everything down.
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