Guide · Recruiting

Electronic signatures for offer letters, contracts and recruiter paperwork

10 min read Updated By the AiresDocs team Sources cited

A recruitment agency or a small HR team lives on documents that need a signature quickly: offer letters, employment contracts, contractor agreements, candidate registration forms, client terms of business, and acknowledgements of policies. A candidate who has to print, sign and scan an offer takes days to respond; one who can sign on their phone responds in minutes, which matters when they have other offers. This guide covers which of these documents can be signed electronically, what to put in them, the pieces that are not signing matters (right to work, lawful bases for data), and a workflow that keeps the evidence straight.

Why recruiters e-sign

Speed is the obvious reason, but the record is the deeper one. In a placement dispute, the questions are usually "when was the offer accepted?", "which version of the terms applied?" and "did the client agree to our fee?". A signing tool answers all three with timestamps and hashes rather than with whoever kept the better email folder. It also gives the candidate a proper copy with a certificate, which a scanned PDF emailed back and forth never does.

The documents, and whether they can be e-signed

Recruitment and HR documents by signature requirement (England and Wales unless stated)
DocumentForm requiredE-sign?
Offer letterNone; a simple contract on acceptanceYes
Contract of employment / written statement of particularsWritten statement must be given by the first day (ERA 1996, s 1); no signature is legally required but one is good practiceYes
Contractor or consultancy agreementSimple contractYes
Candidate registration and terms (agency)Simple contract; agency regulations require certain terms to be agreed before work-finding servicesYes
Client terms of business (agency fee agreement)Simple contractYes
Policy acknowledgements (handbook, IT, data)None; acknowledgement onlyYes, with a checkbox field
Settlement agreementWritten, signed, and the employee must have independent legal advice certified by the adviserSignatures yes; the adviser's certificate is usually handled by the solicitors
Restrictive covenant deed, deed of releaseDeed: witness physically presentNot through an ordinary e-signature flow
Right to work checkHome Office process, not a signatureNo; keep separate records
Share option agreements, EMIOften deeds; tax rules applyTake advice

The pattern is the same as for any business: simple contracts can be e-signed; deeds need a witness in the room; statutory processes are their own thing. See the legal-validity page for the law behind the table, and the US ESIGN Act notes there if you hire in the United States.

Offer letters and contracts

An offer letter sent for e-signature should be complete enough that the signature means something. Include the job title, start date, salary and pay frequency, hours and place of work, probation, notice, any conditions (references, right to work, qualifications) and a sentence that the full contract follows or is attached. If you attach the contract to the same PDF, you avoid two signing rounds and the candidate signs the terms they will actually work under.

Use sequential signing with the candidate first and the employer last: the employer's countersignature then evidences acceptance of the candidate's signed terms, and the completion time on the certificate is the moment the contract was concluded. For candidates abroad, UTC timestamps avoid time-zone arguments about which day an offer was accepted.

Conditional offers are still contracts conditional on the stated events. Make the conditions explicit and say what happens if they fail. The signing tool does not know the conditions; it records that both sides signed what was written.

Candidate consent and data

Two different "consents" get muddled here. The signing tool's consent to sign electronically is about the method and is recorded per signer. Data-protection lawful basis is a separate question, and for most recruitment processing the answer is not consent at all: processing a candidate's details to consider them for a role and to prepare a contract rests on the "contract" basis (steps at the request of the data subject before entering a contract) and on legitimate interests, with legal obligation covering right to work records. The ICO's lawful-basis guidance explains why relying on consent for processing a person has little real choice about is weak. Give candidates a privacy notice and, if you want to evidence it, add a "I have received the privacy notice" checkbox; do not frame it as consent.

The signing tool itself processes the candidate's name, email, IP address and signature on your behalf: you are the controller, it is the processor. Our guide on GDPR and electronic signatures covers the roles, what is stored and for how long.

Right to work: a separate process

Before a person starts work in the UK the employer must carry out a right to work check following the Home Office employer's guide: a manual check of original documents in the person's presence (or by live video with the originals in hand under the rules), an online check using the Home Office service and the person's share code, or a check through a certified identity service provider for British and Irish passport holders. A signing tool plays no part in the check. It can usefully collect a signed declaration from the candidate of their nationality and the documents they will present, and it timestamps when that was done, but the statutory excuse comes from the check itself and the records the guide requires you to keep.

Client terms of business

Fee disputes with clients are the recruitment industry's perennial problem, and most turn on whether the client agreed the terms before the introduction. Sending the terms of business for e-signature before releasing CVs gives you a timestamped acceptance with the client's name, email, IP address and the hash of exactly the terms they signed. If the client will not sign, a "viewed" event at least shows the terms were available to them, though acceptance by conduct is a weaker position. Keep a template for your terms and send it from the template so that every client gets the same wording and your audit trail is uniform.

A recruiter's workflow

  1. Build three templates: client terms of business (roles: client, agency), candidate registration (roles: candidate, agency) and offer letter with contract (roles: candidate, employer). Place signature and date fields, and "received" checkboxes for the privacy notice and handbook.
  2. Client first. Send the terms of business from the template before sending any CVs. Set a short expiry so it does not linger.
  3. Candidate registration at the point they engage with you, from their own email address.
  4. Offer. Create the offer from the template with the employer's details, sequential signing, candidate first. Add an access code shared by phone for senior hires or where the email address is a shared inbox.
  5. Right to work and references run in parallel through their own processes; record dates in your ATS.
  6. File the sealed PDFs against the placement with the document IDs. Export quarterly.

Keeping the evidence tidy

Keep the completion email and attachment for every signed document, do not re-save the PDFs, and store the document ID. When a client later says "we never agreed to a 20% fee", the certificate shows who at the client signed, when, from where, and the hash of the terms containing the fee. When a candidate says they accepted an offer on a different date, the certificate settles it. For how to read a certificate in a dispute, see audit trails explained; for checking a file is unaltered, how to verify a signed contract.

Frequently asked questions

Is an e-signed offer letter binding on the candidate?

An offer letter that sets out the essential terms and is accepted by the candidate's signature forms a contract of employment (or a contract to employ from the start date) under ordinary contract law, and the signature is valid electronically. Either side can still terminate under the contract's own terms, and before the start date a candidate may withdraw with the consequences the contract provides, which are often none in practice.

Can the written statement of particulars be given electronically?

Yes. Section 1 of the Employment Rights Act 1996 requires the statement to be given not later than the beginning of employment; it does not require paper. Many employers fold the particulars into the contract and send it for e-signature before day one, which also evidences the date it was given.

Do I need the candidate's signature on a privacy notice?

No. A privacy notice is information you must give, not an agreement the candidate must sign. A "received" checkbox evidences that it was given. Do not use consent as the lawful basis for routine recruitment processing; the ICO guidance favours contract and legitimate interests for most of it.

Can a signing tool do the right to work check?

No. Right to work checks follow the Home Office employer's guide: a manual check of original documents, an online check with a share code, or a check through an identity service provider. A signing tool can collect a declaration and keep the record of the date, but it is not a substitute for the check itself.

Sources

This guide explains how electronic signature law works in general terms and links to the primary sources. It is not legal advice: rules differ by country and document type and they change. For a specific transaction, ask a qualified lawyer in the relevant jurisdiction. Spotted something out of date? Email support@airesdocs.com and we will check it against the source.

Put it into practice

Prepare the agreement, send it, and have it signed today. Free for three contracts a month, with the sealed file, certificate and audit trail on every plan.