Do you know that? You have landed a new retainer client, you've agreed on all the details, and then the contract sits with the client for three weeks because the signature is missing. Or even better: The contract goes back and forth in the mail, ends up in the wrong office in the meantime, and by the time everyone has signed, almost a month has passed. During that time, you could have already started and invoiced.
No more of that! The electronic signature makes these annoying delays a relic of the paper stone age. And the best part: It’s not only faster but also legally secure. In this article, I will show you how to elevate your retainer business to a new level with the digital signature, and why the eIDAS regulation is your best friend when it comes to legally secure contract signing.
Why digital signatures are especially valuable for agencies
Imagine: A potential retainer client is eager to collaborate. You have the perfect briefing, the chemistry is right, and now all you need is the signature. In the analog world, that means:
- Create contract as a PDF
- Print it out (hoping the printer works?)
- Send it by mail or deliver it in person
- Wait for the client to find time to sign
- Have it sent back
- Scan and archive it
And since your client obviously also needs to involve the managing director, the legal department, or others, the whole theater can drag on for weeks.
With an electronic signature, it goes completely differently:
- Send the contract as a PDF
- The client signs digitally, whether on a laptop, tablet, or smartphone
- You receive the signature back immediately
- Done. No printer, no postage, no waiting.
A study commissioned by Francotyp-Postalia has shown that companies can speed up their business processes by up to 40 percent through digital signatures. 40 percent! This means: Instead of waiting three weeks for a signed retainer contract, you have it in a few days or even hours.
Even more startling: 66 percent of the surveyed companies reported that their work and production processes regularly come to a standstill due to delayed signatures. One in five companies has experienced a deal falling through because the signing process took too long.
What is a qualified electronic signature?

Before we dive deeper, let’s clarify what we are actually talking about. Not every electronic signature is the same. The EU distinguishes between three security levels in the eIDAS regulation (EU No. 910/2014):
1. Simple electronic signature (SES)
This is the basic version: a scanned image of your signature or a tick in an online form. Quick and straightforward, but with low evidential weight in court. Completely fine for internal approvals or simple confirmations, but too shaky for legally important contracts.
2. Advanced electronic signature (AES)
Now it gets safer. The advanced electronic signature is uniquely assigned to a person and is protected by cryptographic methods. If someone modifies the document afterward, it shows immediately. For most contracts in agency everyday life, this is the sweet spot: secure enough, legally recognized, and still not too complicated.
3. Qualified electronic signature (QES)
The royal class: The qualified electronic signature is equated 100 percent with handwritten signatures. It meets the highest security standards and is issued by a certified trust service provider. You need it for employment contracts, notarial documents, or anything where the law expressly requires a written form.
For your retainer contracts, briefings, NDAs, and most other agency documents, the advanced electronic signature is usually completely sufficient. Only for employment contracts with your employees or certain legally particularly critical contracts do you need the QES.
The eIDAS regulation: Your legal shield
Now it gets a bit legal, but don’t worry, I’ll keep it painless. The eIDAS regulation has been valid in all EU member states since July 1, 2016, and regulates electronic identification and trust services for electronic transactions in the internal market.
What does that mean for you? Electronic signatures are legally binding throughout the EU. No court may deny the legal effect of a digitally signed contract simply because it exists in electronic form. It is stated in the regulation.
The eIDAS regulation creates uniform framework conditions for the cross-border use of electronic signatures throughout the EU. This is particularly convenient if you work with clients in other EU countries. A retainer contract signed with an advanced electronic signature is valid in Munich just as much as in Madrid or Milan.
Especially important: The eIDAS regulation has also introduced the option of qualified remote signing. This means you no longer need a chip card to create a qualified electronic signature. It now works conveniently via smartphone with appropriate apps.
How digital signatures can concretely improve your retainer business
Let’s get practical. What does the digital signature bring you in everyday life?
Faster contract signing
In the retainer model, timing is everything. Your client has just released the budget and wants to get started. The longer the contract process takes, the higher the risk that:
- The budget is redistributed
- A competitor is faster
- The client gets cold feet
- Internal priorities shift
With an electronic signature, you can send and get the contract signed within minutes. Companies that already use digital signature solutions report receiving immediate feedback twice as often compared to contracts sent by email.
Better liquidity planning
Retainer contracts are so valuable for agencies because they secure predictable revenue. But only if they are signed! Every week a contract sits unsigned is a week where you cannot start working and billing.
Medium-sized companies send out approximately 10,000 letters per year on average. The costs for toner, paper, and mail processing quickly add up to several thousand euros. Money that you could better invest in creative minds or new technology.
Less administrative effort
Let’s be honest: How much time do you spend printing contracts, sending them, following up to see if they arrived, checking again whether they were signed, and then organizing the return? And who actually has the latest version of the contract? Is it with the client, in your folder, or is it still somewhere in the email inbox?
With digital signatures, everything is centralized and traceable. You see at a glance:
- Who has already signed?
- Who still needs to sign?
- When was it signed?
- Where is the completed document?
A software provider like Signius helps you digitize and automate these processes. You upload your contract, define who should sign, and the system takes care of the rest, including automated reminders.
Flexibility for your clients
Your clients today are everywhere: at home, on the go, on vacation, at a client’s location. With an electronic signature, they can sign the contract whenever and wherever they want. On the laptop between two meetings, on the tablet on the train, or on the smartphone during dinner (ok, maybe not the best idea, but it’s possible).
This flexibility significantly lowers the hurdle. Instead of saying, "I have to go back to the office to sign the contract," they think, "Oh, it takes two minutes; I'll do it right away."
Legal security and compliance
With the right solution, you automatically have an audit-proof documentation. Each electronic signature is marked with a timestamp, and the system documents who signed what when. This is not only practical but also important for audits or if any disputes may arise.
The eIDAS regulation ensures that electronically signed documents are admissible as evidence in court just as handwritten signed paper contracts are. So you are on the safe side.
The concrete advantages for your retainer business
Retainer contracts are particularly attractive for agencies because they offer planning security and stable income. But they also have their quirks: long contract durations, complex agreements regarding service scopes, monthly hour quotas, notice periods, all of this needs to be documented cleanly.
This is where digital signatures come into play:
Faster onboarding phase
When you acquire a new retainer client, you want to get started immediately. Not in three weeks when the contract finally comes back. With electronic signatures, you can drastically shorten the onboarding process:
- Kick-off meeting
- Send contract
- Receive signed back the same or next day
- Start working immediately
Easier contract extensions
Retainer contracts typically have terms of 6 to 12 months. If things go well, you extend them. But the extension also needs to be signed. With digital signatures, this can be done in five minutes. No effort, no delays, seamless transition.
More flexible contract adjustments
In the retainer business, service scopes or hour quotas sometimes change. Instead of setting up a completely new contract every time, you can draft an addendum and have it digitally signed. It’s quick, legally secure, and all parties receive the current version immediately.
Better customer experience
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Hand on heart: What impression does it make when you as a digital agency or creative agency send a paper contract by mail? It just doesn’t feel modern anymore. With electronic signatures, you show that you live the digital transformation and use modern processes.
Your clients will thank you for it. Especially younger decision-makers today expect digital processes. A survey shows that over 40 percent of customers switch their service provider because they could not meet their changing requirements for digital processes.
How to implement digital signatures in your agency
Enough theory, let’s get practical. How do you implement electronic signatures in your agency?
Step 1: Choose the right provider
There are various providers for electronic signatures on the market. Make sure the provider:
- is compliant with eIDAS
- offers both simple and advanced electronic signatures
- has an intuitive user interface
- can integrate with your existing tools
- provides good support
Step 2: Define your processes
Consider which documents you want to have signed digitally:
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- Retainer contracts
- Project contracts
- NDAs (Non-Disclosure Agreements)
- Briefings and approvals
- Change orders
- Invoice approvals
For each document, you should define:
- Who must sign?
- In what order?
- What level of signature is necessary? (simple, advanced, qualified)
- What is the deadline?
Step 3: Involve your team
Explain to your team how the electronic signature works and why you are using it. Most people are thrilled when they see how much time and nerves it saves. Some might need a brief introduction.
Step 4: Communicate it to your customers
In the next contract, briefly explain to your client: "We now use electronic signatures; it's faster and just as legally secure as a handwritten signature. You will receive an email with a link shortly; click on it, and you can sign directly."
The vast majority of clients are grateful for the modern process. If someone is skeptical, you can refer to the eIDAS regulation and explain the legal equivalence.
Step 5: Continuously optimize
Collect feedback from your team and clients. Where are the bottlenecks? What could be made simpler? Most signature tools offer analytics that allow you to see how long it typically takes to sign and where there are delays.
Cost vs. Benefit: Is the investment worth it?
Of course, a signature tool costs money. Prices vary depending on the provider and the range of features. But let’s do the math:
What does the traditional way cost?
- Paper, toner, printer maintenance: approx. 5-10 euros per contract
- Postage back and forth: approx. 5 euros
- Worktime for printing, sending, following up, archiving: approx. 30 minutes = 25-50 euros (depending on the hourly rate)
- Delay in contract signing: priceless
So per contract, you are at 35-65 euros in direct costs, plus lost time and delayed revenue.
What does the digital solution cost? Most providers charge either per signature (approx. 1-5 euros) or offer flat rates (starting at approx. 20-50 euros per month for smaller agencies).
Even if you only conclude 5-10 contracts per month, the investment pays for itself in a few weeks. And that doesn’t even account for the saved time and the faster incoming payments.
Common concerns and how to address them
"Is it really legally secure?"
Yes! The eIDAS regulation regulates this bindingly across the EU. Electronic signatures cannot be rejected solely because they exist in electronic form. Just make sure you use an eIDAS-compliant provider.
"My clients are not technically adept."
Don’t worry. Most signature tools are extremely user-friendly. Your client receives a link by email, clicks on it, reads the contract, and clicks "Sign." It’s easier than opening a letter, finding a pen, and packing the document back up.
"What about sensitive data?"
Reputable providers work with end-to-end encryption and host their servers in Europe. The data is at least as secure as in an email, probably even more secure than a letter that goes through various hands.
"I still need a handwritten signature for my records."
You do not need that. Digitally signed documents are legally equivalent and can be archived completely digitally. This not only saves paper but also storage space and makes finding documents much easier.
The future is digital (and paperless)
Digitalization makes no exception for any industry, including creative agencies. Customers today expect fast, flexible, and modern processes. Anyone still working with paper contracts and mail loses not only time but also competitiveness.
Electronic signatures are no longer a nice-to-have but rather the standard in modern agencies. They save time, reduce costs, enhance the customer experience, and accelerate your retainer business.
The technology is mature, the legal framework is clear, and the tools are easy to use. So there’s no reason to wait any longer.
Your next step
Start small. Take your next retainer contract and sign it d digitally. See how much faster it goes and how positively your client reacts. Then continue with the next contract. And then with all other documents that need a signature.
Within a few weeks, it will become the norm, and you will wonder why you didn’t switch to electronic signatures earlier.
The benefits are clear: faster contract signing, less administrative effort, more satisfied clients, and more predictable revenue. All things that make your retainer business stronger and more profitable.
So: Get rid of paper, and embrace the digital future. Your clients, your team, and your bank account will thank you.
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