GDPR for SaaS Builders: What You Must Have on Day One
GDPR is the EU regulation that governs personal data of EU residents. Any SaaS with EU users has to comply regardless of where the company is based. The minimum is concrete. A privacy policy. A lawful basis for processing. Data subject rights implementation. A data processing agreement. A vendor inventory. A breach notification process. Each is small. The retrofit if you skipped it is a quarter of work.
Written by Yashveer Singh, founder of Yashveer Labs.
What you actually need to know
- GDPR applies if you process EU users' personal data.
- Privacy policy, lawful basis, data subject rights, DPA, vendor inventory, breach process.
- Data subject rights are implementation work, not policy work.
- 72 hour breach notification timeline.
- Build it in from day one. Retrofit is a quarter.
| Requirement | Day one implementation |
|---|---|
| Privacy policy | Published page |
| Lawful basis documentation | One document per processing activity |
| Right to access | Export endpoint |
| Right to erasure | Delete endpoint |
| Right to portability | JSON export |
| Cookie consent | Banner where applicable |
| Vendor inventory | List of processors |
| DPAs | Signed with every processor |
| Breach process | Documented runbook |
The core argument
GDPR is one of those regulations that founders outside the EU sometimes treat as optional. The regulation is not optional. The applicability follows the users. A US based SaaS with EU customers is in scope. The teams that hope GDPR does not apply usually get caught up by a complaint or an audit and retrofit under pressure.
The minimum is concrete. A privacy policy that names what data you collect and how you use it. A lawful basis for each processing activity. Data subject rights implementation in the product. A data processing agreement with every vendor that touches personal data. A vendor inventory. A breach notification process.
The data subject rights are the part that catches teams. The rights are not just policy. They are implementation. The team has to be able to export a user's data when they ask. The team has to be able to delete a user's data when they ask. The implementations are real engineering work. Building them in from day one costs a sprint. Retrofitting them later costs a quarter.
The DPA discipline catches the other teams. Every vendor that processes personal data on your behalf has to have a DPA. The DPAs are usually available as standard documents. The discipline is to sign them with every vendor. The teams that skip this find themselves scrambling when a customer asks who handles their data.
The breach process is the third piece teams miss. The 72 hour notification timeline is short. The team that has to design the process during an incident misses the timeline. The team that has a documented runbook can move quickly.
The minimum implementation
| Requirement | Implementation |
|---|---|
| Privacy policy | Published page reviewed by a lawyer |
| Lawful basis register | Internal document, updated as processing changes |
| Right to access | Self serve in the product or support process |
| Right to erasure | Delete account flow with full data removal |
| Right to rectification | User can update their data |
| Right to portability | JSON export of the user's data |
| Right to object | Process for handling objections |
| Cookie consent | Banner with proper controls if cookies require it |
| Vendor inventory | Spreadsheet or system tracking processors |
| DPAs | Signed with every processor |
| Breach process | Documented runbook with named roles |
| Data Protection Officer | If required for your operations |
How much does this cost
| Investment | Cost |
|---|---|
| Privacy policy and legal review | 2000 to 10000 USD |
| Implementation of data subject rights | One sprint at small scale |
| Cookie banner if needed | A few days |
| DPA signing with vendors | Hours per vendor |
| Vendor inventory setup | A few days |
| Breach process documentation | A few days |
| Total day one | One sprint plus legal fees |
Features the GDPR setup must have
- Published privacy policy.
- Documented lawful basis register.
- Data subject rights implementation in the product.
- Cookie banner where applicable.
- Vendor inventory.
- DPAs with every processor.
- Breach notification runbook.
- Quarterly compliance review.
Expert opinion
GDPR feels heavier than it is when you treat it as a checklist of implementations. The minimum is concrete. The investment to build it in from day one is small. The retrofit later is a quarter of work under deadline pressure when a complaint or customer asks. The discipline is to treat the requirements as engineering work rather than as a separate compliance project.
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Yashveer Singh, founder of Yashveer Labs
How this played out on a real project
A US based client SaaS had not addressed GDPR. The first EU customer arrived and the customer's procurement team asked for the DPA. The team did not have one. They did not have data subject rights implementation. The privacy policy was generic.
We did the compliance work over six weeks. Privacy policy reviewed by a lawyer. Lawful basis documented. Data subject rights implemented in the product. DPA template signed with the customer. Vendor DPAs signed with every processor. Vendor inventory built. Breach runbook documented.
The deal closed two weeks after the work finished. The capability has since been used for every EU customer. The investment paid back on the first deal.
For more on the related work, see data residency for international SaaS a real plan and the data processing agreement a founders practical read.
Common mistakes teams make
- Treating GDPR as not applying.
- Generic privacy policy without specific processing details.
- No documented lawful basis.
- Data subject rights as policy without implementation.
- No DPAs with vendors.
- No vendor inventory.
- No breach runbook.
- Cookie banner that does not actually comply.
A 30 day day one plan
- Week one. Privacy policy with legal review. Lawful basis register.
- Week two. Data subject rights implementation. Cookie banner if needed.
- Week three. Vendor inventory. DPAs.
- Week four. Breach runbook. Train the team.
For more on the related work, read data residency for international SaaS a real plan and right to be forgotten how to implement it without pain. On the broader compliance side, SOC 2 Type I vs Type II is the natural next read.
Frequently asked
My approach to this kind of work
I approach this kind of work the way I would want someone to approach a system I depended on. With care, with rigor, with a sense that the next person who touches it should be able to understand it without my help. Yashveer Singh, founder of Yashveer Labs. That is the standard. If it is the standard you are looking for, I am the engineer to hire.
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