If your CV never seems to get a response, the problem may not be your experience — it could be the ATS mistakes UK candidates make without ever knowing they've made them. Applicant Tracking Systems (ATS) are now a standard fixture in UK recruitment, used by employers of all sizes to filter applications before a human ever reads them. Get the formatting or content wrong, and your CV could be rejected automatically — not because you're underqualified, but because the software couldn't read it properly.
Why ATS Errors Are Costing UK Candidates Interviews
The Recruitment and Employment Confederation (REC) consistently reports that UK hiring volumes remain high across sectors, with employers managing significant application numbers for each vacancy. When hundreds of CVs arrive for a single role, ATS software acts as the first gatekeeper — automatically parsing, ranking, and sometimes outright rejecting applications that don't meet certain criteria.
The frustrating reality is that many candidates are well-suited for the roles they apply to but trip over technical errors that have nothing to do with their skills. Understanding where things go wrong is the first step to fixing them.
Mistake 1: Using Tables, Text Boxes, and Complex Formatting
Why these elements break ATS parsing
Tables, text boxes, columns, and graphics look polished in a PDF viewer. To an ATS, they're often invisible — or worse, they produce garbled text. Most ATS platforms extract content by reading left to right, top to bottom, in a linear flow. When information is arranged in columns or nested inside a text box, the parser either skips it or scrambles the order entirely. A two-column CV might end up presenting your job titles alongside a completely unrelated skill — or missing entire sections.
Headers and footers present a similar risk. Contact details placed in a Word header may not be read at all by certain systems.
What to use instead
Use a single-column layout with clearly defined sections separated by white space. Bold text and standard bullet points are reliably parsed. Save design flair for industries where a human-reviewed portfolio matters — for most ATS-first applications, simplicity wins.
Mistake 2: Missing or Mismatched Keywords From the Job Description
How ATS keyword matching works in UK recruitment
Many ATS platforms score CVs partly by how closely the language matches the job description. If a role asks for "stakeholder management" and your CV says "managing relationships with internal clients," you may score lower even though the meaning is identical. Exact phrasing matters more than it reasonably should.
According to insights from the LinkedIn Talent Blog, recruiters and the systems they use are increasingly focused on skills-based matching — meaning the specific terminology you choose carries real weight in screening.
How to identify the right terms to include
Read the job description carefully and note recurring phrases, required qualifications, and role-specific language. Mirror this language naturally in your CV — particularly in your profile summary and key responsibilities. If a job asks for "budget forecasting," use that exact phrase rather than a paraphrase. Don't keyword-stuff, but do ensure the relevant terms appear where they genuinely apply.
Mistake 3: Saving or Submitting Your CV in the Wrong File Format
Which file formats most UK ATS platforms accept
Most UK ATS platforms handle .docx (Microsoft Word) reliably. Some handle PDFs well; others — particularly older systems — struggle with them. Image-based PDFs (scanned documents or CVs saved from design tools like Canva) are particularly problematic, as the ATS sees an image rather than readable text, extracting nothing useful at all.
The PDF vs Word debate explained
The honest answer is: it depends on the platform. When in doubt, .docx is the safer default because it offers the broadest compatibility. If a job posting specifies a format, follow it exactly. If no format is specified and you prefer PDF, make sure it's a text-based PDF exported directly from Word or Google Docs — not a designed file from a template tool that flattens text into graphics.
Mistake 4: Using Unconventional Section Headings
Why 'Career Journey' confuses ATS software
ATS software is trained to look for recognisable section labels. When it encounters a heading like "My Story," "Career Journey," or "What I Bring," it may fail to categorise the content beneath it correctly. Work history filed under an unusual heading might not register as work history at all.
Stick to standard headings ATS systems recognise
Use conventional labels: Work Experience, Education, Skills, Certifications, Professional Summary, and References (if included). These are the terms ATS systems are built to recognise and process. Being creative with headings is one of those small decisions that can have an outsized negative impact on your application's success.
Mistake 5: Burying Contact Details or Leaving Out Key Information
What ATS systems look for in your header
Most ATS platforms expect to find your name, phone number, email address, and location near the top of your CV. Some also look for a LinkedIn URL or professional website link. If these are missing or placed mid-document, the ATS may be unable to associate the correct contact information with your application record.
Common omissions that cause parsing failures
Candidates sometimes omit their location to avoid perceived bias, or leave out a phone number in favour of email only. While these choices are understandable, they can cause ATS parsing failures or flag your application as incomplete. If you have concerns about location-based bias, Acas offers guidance on candidate rights during the recruitment process — but from a technical standpoint, including standard contact details in full gives your CV the best chance of being processed correctly.
How to Check Your CV Before You Apply
Knowing the mistakes is useful. Catching them in your own CV before you apply is what actually changes outcomes. A practical approach:
- Read your CV as plain text. Copy the entire contents into a basic text editor (like Notepad). If the text comes out scrambled or sections are missing, that's likely what an ATS sees.
- Compare your language to the job description. Highlight key phrases from the posting and check whether your CV reflects them.
- Test your file format. Open your CV on a device where the original software isn't installed — if it displays oddly, reconsider the format.
- Check your section headings. Replace anything creative with a standard equivalent.
If you'd rather get instant feedback, Curvit's ATS checker analyses your CV against common parsing errors and flags formatting or keyword issues before you apply — so you're not guessing.
The ATS mistakes UK candidates make are largely invisible during the application process, which is exactly what makes them so costly. A strong CV that can't be read is functionally the same as no CV at all. Small, deliberate changes to structure, language, and format can be the difference between your application reaching a recruiter and disappearing into a system with no trace.
Related reading
- ATS-Friendly CV UK Guide: How to Pass Automated Screening and Reach a Recruiter
- The Best CV Fonts for ATS in the UK: Avoid Parsing Errors and Reach Human Recruiters