Annual salaries range from £24,756 to £55,296. Below is the full range of pay both before and after tax:
| Lowest | Average | Upper | |
|---|---|---|---|
| Pre-tax | £24,756 (£2,063 p/mth) |
£40,836 (£3,403 p/mth) |
£55,296 (£4,608 p/mth) |
| Pre-tax Income Percentile | 36th | 70th | 84th |
| Post-tax | £21,348 (£1,779 p/mth) |
£32,916 (£2,743 p/mth) |
£42,624 (£3,552 p/mth) |
| Post-tax Income Percentile | 32nd | 65th | 79th |
| Percentage Tax Deduction | 14% | 19% | 23% |
Automation engineers focus on designing and implementing efficient production workflows within their organisation. Daily tasks typically involve troubleshooting complex electrical and mechanical systems to ensure optimal equipment performance. They also provide technical support for machinery, oversee the training of staff on equipment use, and ensure compliance with safety regulations.
In addition to hands-on work, automation engineers are responsible for planning and executing company initiatives aimed at improving operational efficiency. They utilise various programming languages and proprietary software to develop automation strategies and connect different production equipment. Regular reporting to senior management is essential to communicate progress and suggest improvements.
Strong analytical and problem-solving skills are crucial for automation engineers, as they must navigate complex systems and identify areas for enhancement. They often collaborate with other engineering professionals and require a solid understanding of production systems. A bachelor's degree in engineering, along with relevant experience and certifications, is typically necessary for success in this role.
As a mid-level technical role in Architecture and Engineering, 'Automation Engineer' faces high automation risk (score: 75) due to significant portions of routine or rule-based tasks that AI can perform. Job displacement risk is low (27) due to the essential human elements of this position. AI augmentation potential is high (100), meaning AI tools can significantly enhance productivity and decision-making.
Scores are on a 0-100 scale. Automation and displacement scores reflect risk; augmentation reflects opportunity to work effectively with AI tools.
Current openings for an automation engineer across the UK, with estimated take-home pay.
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Search other careers with comparable automation, displacement and augmentation scores. Filters are pre-filled around this role.
Compare the average salary of an automation engineer to your salary:
Below are the range of mortgages typically affordable for a single applicant automation engineer:
| Lowest | Average | Upper | |
|---|---|---|---|
| average gross salary | £24,754 | £40,830 | £55,293 |
| max mortgage | £111,393 | £183,735 | £248,819 |
| deposit paid | £12,377 | £20,415 | £27,647 |
| max purchase price | £123,770 | £204,150 | £276,466 |
| mortgage repayment p.mth (2.5%|25yr) | £619 | £1,021 | £1,383 |
Understanding where the role of an automation engineer sits in the UK pay spectrum is the first step to managing tax effectively.
Your effective tax rate is the percentage of your gross income that goes to Income Tax and National Insurance. It's typically lower than the 20% basic rate because the first £12,570 is tax-free.
People in this role typically work under these employment arrangements:
Most automation engineers are employed in PAYE roles at engineering firms, but a significant minority work as contractors via limited companies (subject to IR35). A small portion operate outside IR35 as genuine self-employed.
If you're employed as an automation engineer, your employer handles tax and National Insurance through PAYE. Here's what's actually happening behind the scenes.
Under PAYE, your employer deducts Income Tax and Employee National Insurance from your gross pay before you receive it. Here's a breakdown for the average automation engineer earning £40,836/year:
| Deduction | Calculation | Amount (annual) | Amount (monthly) |
|---|---|---|---|
| Gross Pay | — | £40,836 | £3,403 |
| Personal Allowance | First £12,570 tax-free | −£12,570 | −£1,048 |
| Income Tax (20%) | £28,266 × 20% | £5,653 | £471 |
| Employee NI (8%) | £28,266 × 8% | £2,261 | £188 |
| Tax & NI Total | £7,914 | £660 | |
| Net Take-Home | £32,922 | £2,743 |
Every payslip should display:
If you work for yourself as an automation engineer, you're responsible for reporting your income and paying the right tax. Here's what you need to know.
Register with HMRC — Register as self-employed at gov.uk/register-self-employed within 3 months of starting. You'll need your National Insurance number and details of your business.
Get your UTR number — Within 10 working days, HMRC sends you a Unique Taxpayer Reference (UTR). This 10-digit number is your tax ID for everything.
Set up your HMRC online account — Register at gov.uk/log-in-register-hmrc-online-services to file your Self Assessment online.
Keep detailed records — Save all invoices, receipts, bank statements, and expense records for at least 5 years after 31 January following the end of the tax year.
File by 31 January — Submit your Self Assessment online by 31 January after the tax year ends (e.g., 2025/26 return due by 31 January 2027). Late filing: minimum £100 penalty.
Pay your tax bill — Pay Income Tax, Class 2 NI, and Class 4 NI by 31 January. You may also need a "Payment on Account" for the following year due by 31 July.
A self-employed automation engineer will pay a different mix of taxes than one in an employed position. They can also claim expenses to reduce their taxable profit.
| Item | Calculation | Amount (annual) |
|---|---|---|
| Gross Income (before expenses) | — | £40,836 |
| Personal Allowance | First £12,570 tax-free | −£12,570 |
| Income Tax (20%) | £28,266 × 20% | £5,653 |
| Class 4 NI (6%) | £28,266 × 6% | £1,696 |
| Class 2 NI | £3.45/week × 52 weeks | £179 |
| Total Tax & NI | £7,529 | |
| Net Take-Home | £33,307 |
If your Self Assessment tax bill is over £1,000, HMRC expects you to make Payments on Account toward the next year's tax bill:
This means a self-employed automation engineer will need to budget for 18 months of tax in their first year, then roughly 1.5× their annual tax bill in subsequent years.
These are the specific expenses HMRC allows a self-employed automation engineer to claim. Only genuine "wholly and exclusively" business expenses qualify.
PLC programming software licenses (Siemens TIA Portal, RSLogix), SCADA software (Wonderware, Ignition), HMI design tools, CAD software (AutoCAD Electrical), Simulation software (MATLAB/Simulink)
Fully deductible if used exclusively for work. If used for both personal and business, only business portion is claimable. HMRC accepts full deduction for licenses mandatory for job.
ClaimableInstitution of Engineering and Technology (IET) membership, Engineering Council registration fees (CEng, IEng), British Automation and Robotics Association (BARA) membership, Trade publication subscriptions (Control Engineering, Automation World)
HMRC allows deduction for subscriptions to professional bodies directly relevant to the occupation.
ClaimableCoding bootcamps (Python for automation), ISA/IEC 62443 cybersecurity courses, Siemens TIA Portal advanced training, Functional safety (IEC 61511) certification, Project management courses (Prince2, APM)
Deductible if it maintains or improves current job skills. Not deductible if it qualifies for a new trade. HMRC allows a flat rate deduction of up to £500 per year for professional development if not reimbursed by employer.
ClaimableLaptop/tablet for programming, Portable oscilloscope/multimeter, USB-to-serial adapters, Raspberry Pi/Arduino for prototyping, Hard hat, safety glasses, steel-toe boots (if not provided)
Capital items (cost >£2,000) may need capital allowances. Otherwise, full deduction via Annual Investment Allowance for self-employed. For employees, only claimable if not provided by employer and necessary for job.
ClaimableBusiness mileage (45p first 10,000 miles, 25p thereafter), Train fares to client sites, Taxis/public transport for work travel, Accommodation for overnight site visits, Congestion charge / ULEZ (if driving to non-permanent workplace)
Commuting from home to permanent workplace is not deductible. Only travel to temporary sites (typically <24 months) qualifies. HMRC approved mileage rates apply. Self-employed can claim actual costs or simplified flat rate.
Partially claimableProportion of utilities (heating, electricity), Broadband (business proportion), Home insurance (additional business cover), Desk, chair, monitor (if not provided), Simplified expenses (£6 per week or actual costs)
Employees can claim homeworking allowance if required to work from home (flat rate £6/week or actual costs). Self-employed calculate proportion of household expenses based on room usage and time.
Partially claimableMobile phone contract (business usage portion), Business landline rental, Data SIM cards for remote monitoring, Video conferencing subscriptions (Zoom, Teams)
If you have a single phone used for both business and personal, only claim the business proportion. A second phone line used exclusively for business is fully deductible.
Partially claimableHi-vis jackets, safety gloves, safety glasses, Anti-static wrist straps, Steel-toe boots, Protective lab coats (if not branded with employer logo), Thermal gloves for cold environments
Only deductible if it is protective clothing necessary for the job and not provided by employer. Normal clothing (even if worn only at work) is not deductible.
ClaimableProfessional indemnity insurance, Public liability insurance, Employers' liability insurance (if subcontracting), Tool insurance (for expensive test equipment)
Essential for self-employed contractors. PAYE employees generally don't need this as employer covers liability. Premiums are fully deductible.
ClaimableHiring freelance software developers for specific projects, Payments to CAD technicians, Agency fees for temporary staff, Consultancy fees for specialist advice (e.g., safety integration)
Only if the subcontractor is genuinely self-employed and you have correct contracts. HMRC checks for false self-employment. Deductible as a business expense if wholly and exclusively for trade.
ClaimablePortfolio website hosting and domain, LinkedIn Premium for job searching, Business cards and brochures, Trade show entry fees (e.g., Automation UK)
Sole traders and contractors can deduct costs of promoting their services. Employees cannot claim these.
ClaimableEmployer pension contributions (if self-employed), Personal pension SIPPs, Stakeholder pensions
For self-employed, contributions are deductible up to annual allowance (£60,000 for 2023/24, tapered for high earners). Carry forward unused allowance from previous 3 years. PAYE employees get tax relief at source (20% basic rate, claim higher rate via self-assessment).
Limited claimShould you stay as a sole trader or incorporate? The answer depends on your income level. Use the calculator below to see your numbers with current tax rates.
Results are estimates - use our Dividend v Salary calculators for more detail.
Compare how take home pay differs for an automation engineer if they are self employed and they are able to incorporate.
Drag the slider to see how net income shifts at different income levels
For an automation engineer, a general rule of thumb is:
Self-employed automation engineers face a series of deadlines. Miss one and penalties stack up fast.
Key deadlines for the 2026/2027 tax year cycle — mark your calendar
Missing tax deadlines is costly:
Within the next few years everyone will be moved over to the Making Tax Digital system so read our full Making Tax Digital Penalties Guide.
This is one of the most dangerous tax zones an automation engineer. HMRC aggressively pursues cases where workers are misclassified.
Sometimes an automation engineer could be told they are "self-employed" by their client or agency, but in reality HMRC may consider them employees. Key indicators of disguised employment:
If most of these apply, HMRC could reclassify you as an employee, meaning:
Getting a mortgage as an automation engineer - especially if you're self-employed - requires some extra planning.
| Scenario | Gross Income | Max Mortgage (4.5×) | Min Deposit (5%) |
|---|---|---|---|
| Lowest (employed) | £24,756 | £111,393 | £12,377 |
| Average (employed) | £40,836 | £183,735 | £20,415 |
| Upper (employed) | £55,296 | £248,819 | £27,647 |
| Self-employed (2-yr avg) | Mortgage lenders typically require 2–3 years of accounts for self-employed borrowers, or 12–18 months of payslips for PAYE employees. Contractors may need a 'contract rate' mortgage (offered by some specialist lenders) based on day rate multiplied by 48 weeks. A good accountant can help present income in a lender-friendly way. | ||
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