Being your own boss means nobody is enrolling you into a workplace pension, checking your contribution rate, or reminding you each April that the annual allowance has changed. For the roughly 4.4 million self-employed people in the UK, building a pension is entirely something you have to choose to do — which is exactly why so many put it off. The good news is that self-employment doesn't close off any of the mainstream ways to save for retirement, and in some respects it opens a couple of extra ones. A SIPP, a stakeholder pension, NEST, and even a Lifetime ISA (for younger savers) are all genuinely available to you, complete with the same 20% basic-rate tax relief that employees get through their workplace scheme. This guide walks through each option, compares them side by side, and sets out a simple way to decide which one — or which combination — suits how you work and how much you can realistically put aside each year.

Why auto-enrolment doesn't apply to you

Auto-enrolment works by placing a legal duty on employers: if you employ eligible staff, you must enrol them into a qualifying pension scheme and contribute towards it. The entire mechanism is built around the existence of an employer-employee relationship, with the employer's payroll system doing the enrolling, the deducting, and — crucially — the paying of at least 3% on top of your own contribution. If you're self-employed, whether as a sole trader, in a partnership, or working through your own limited company without paying yourself a salary large enough to trigger the rules, there's no employer in that relationship, so the entire structure simply has nothing to attach to. Nobody is legally required to auto-enrol you, and as a result nobody automatically contributes 3% on your behalf either.

This isn't a temporary gap or an oversight; it's a structural feature of how auto-enrolment was designed in the first place, and successive governments have discussed, without yet implementing, an equivalent framework for the self-employed. Various pilots and awareness campaigns, often run with organisations like IPSE and consumer bodies, have tested nudges such as prompting self-employed people to save via their Self Assessment tax return, but nothing mandatory exists yet. In practice, that means the entire decision of whether, how, and how much to save rests on you. There's no default, no opt-out to actively choose not to make, and no employer top-up arriving quietly every payday. Everything described in the rest of this guide is voluntary, which is exactly why it's worth understanding the options properly rather than drifting into doing nothing.

The main pension options available to you

Four main routes cover almost every self-employed saver: a Self-Invested Personal Pension (SIPP), a stakeholder pension, NEST, and — for younger savers specifically — a Lifetime ISA used as a retirement vehicle. None of these require an employer relationship to open, and all four can be started directly by an individual with nothing more than proof of identity and a bank account. They differ mainly in how much control you have over investments, how much they cost to run, and how flexible they are if your income is uneven from year to year, which for many self-employed people is the single most important practical factor of all.

SIPPs — maximum control, more responsibility

A Self-Invested Personal Pension is the most flexible mainstream option. You choose your own provider, pick from a wide range of funds, shares, and other investments, and can usually adjust or pause contributions whenever you like without penalty. Many modern SIPP platforms are built specifically with self-employed and freelance savers in mind, with simple online sign-up, no minimum monthly commitment, and the ability to make one-off lump sum payments whenever cash flow allows — useful if your income comes in irregular bursts rather than a steady salary. The trade-off is that a SIPP puts investment decisions in your hands, or requires you to select a ready-made fund that does it for you, and platform charges vary more between providers than with simpler products. For anyone reasonably comfortable choosing funds, or happy to pick a low-cost default option, a SIPP is usually the most cost-effective and adaptable choice available.

Stakeholder pensions — simple and capped

Stakeholder pensions were designed by government to be a low-cost, no-frills option, and by law they must meet certain standards: capped charges, no penalty for stopping or reducing contributions, and low minimum payments, sometimes as little as £20. They typically offer a narrower range of investment funds than a SIPP, often just a handful of ready-made options, which suits people who want simplicity over choice. Stakeholder pensions have become less common as newer, cheaper SIPP platforms have entered the market, but they remain a perfectly reasonable, low-maintenance option if you'd rather not think about fund selection at all and just want contributions invested sensibly by default, with charges you can be confident won't creep up unexpectedly.

NEST — built for auto-enrolment, open to everyone

NEST (National Employment Savings Trust) was set up by the government specifically to support auto-enrolment, but it isn't actually restricted to people enrolled by an employer — self-employed people can open a NEST pension directly. It's a not-for-profit scheme with a simple default fund that automatically adjusts risk as you approach retirement, low and transparent charges, and no obligation to make regular contributions if your income is unpredictable. Because NEST was built at scale for millions of relatively low-balance savers, its running costs are kept deliberately low, though its investment range is narrower and less flexible than a typical SIPP. It's a solid, low-drama choice for someone who wants a pension that essentially runs itself, without needing to compare fund fact sheets or manage an investment portfolio actively.

Lifetime ISA — a retirement alternative for under-40s

A Lifetime ISA (LISA) isn't a pension, but for savers under 40 when they open one, it's a genuine alternative route to retirement saving, and can be used alongside a pension rather than instead of it. You can pay in up to £4,000 a year until age 50, and the government adds a 25% bonus on top — up to £1,000 a year — paid monthly or annually depending on the provider. That bonus is broadly comparable to basic-rate pension tax relief, but with an important difference: LISA contributions come from money you've already been taxed on, and, unlike a pension, you can withdraw a LISA tax-free from age 60, or earlier to buy a first home worth up to £450,000. Withdraw it for any other reason before age 60 and you'll pay a 25% government withdrawal charge, which claws back more than just the bonus, so it isn't a flexible emergency fund. For self-employed people who value the house-deposit option alongside long-term saving, or who want a tax-free income stream in later life sitting next to pension income, a LISA is worth considering as a complement to, not a replacement for, pension saving.

Comparing the main routes

Each of these products suits a slightly different kind of saver, and many self-employed people end up using more than one — a SIPP or NEST as the main pension, topped up with a LISA if they're under 40 and want the added flexibility. The table below summarises how they compare on the factors that matter most: cost, flexibility, how tax relief is delivered, and who each option tends to suit best.

Option
Typical cost
Flexibility
Tax relief / bonus
Who it suits
SIPP
Varies by provider; often the lowest for larger pots
High — pause, vary or lump-sum whenever you like
20% relief at source; more reclaimable via Self Assessment
Confident, hands-on savers wanting choice and low costs
Stakeholder pension
Capped by law, simple flat structure
Good — low minimums, no penalty to stop
20% relief at source; more reclaimable via Self Assessment
Savers who want simplicity and a small number of fund choices
NEST
Low, transparent charges
Good — no obligation to pay regularly
20% relief at source; more reclaimable via Self Assessment
Savers who want a default, low-maintenance pension
Lifetime ISA
Often free or low-cost via ISA platforms
Capped at £4,000/year; access penalty before 60
25% government bonus, not income-tax-rate dependent
Under-40s wanting a first-home option alongside retirement saving

Tax relief applies whichever route you choose

Whichever pension option you pick — SIPP, stakeholder, or NEST — tax relief works the same way and isn't something you need to apply for separately. Most providers use "relief at source": you pay in net of basic-rate tax, and the provider claims 20% back from HMRC and adds it to your pot automatically. Pay in £800 and your pension is topped up to £1,000 without you doing anything further. If you're a higher-rate (40%) or additional-rate (45%) taxpayer — a real possibility in a strong trading year — you don't get that extra relief automatically; you have to claim it yourself, typically through your Self Assessment tax return, either as a reduction in your tax bill or an extension of your basic-rate band. This is easy to miss precisely because nothing prompts you to claim it the way an employer's payroll system would.

There's a cap on how much can attract tax relief in any one tax year: the annual allowance, currently £60,000 for most people, tapered down for very high earners and reduced if you've already started flexibly drawing a pension. Crucially, for the self-employed, tax relief on personal contributions is also limited to 100% of your relevant UK earnings for the year — broadly your taxable trading profit — so in a low-profit year, relief-eligible contributions are capped by your earnings even if you have spare cash to invest, not just by the £60,000 allowance. A Lifetime ISA works differently: instead of tax relief, you get a 25% government bonus on contributions up to £4,000 a year, which is roughly equivalent in cash terms to basic-rate relief, but is capped at a much lower contribution limit than a pension, and doesn't offer any additional benefit for higher-rate taxpayers the way pension relief does.

Worked example: what a £4,000 contribution becomes

Numbers make the difference between routes much easier to picture. Here's what happens to a £4,000 contribution depending on which route it goes through and what rate of tax you pay.

Scenario
Your payment
Added automatically
Total in the pot
Extra to claim via Self Assessment
Basic-rate taxpayer, SIPP
£3,200
£800 (20% relief)
£4,000
None
Higher-rate taxpayer, SIPP
£3,200
£800 (20% relief)
£4,000
Up to £800 further relief (40% total)
Lifetime ISA, any tax rate
£4,000
£1,000 (25% bonus)
£5,000
None — bonus doesn't depend on tax rate

Building a simple decision framework

With four legitimate options and no employer steering you towards one, it helps to work through two practical questions rather than trying to pick a single "best" product in the abstract.

The first is how hands-on you want to be with investment choices. If you're comfortable researching funds, checking charges, and occasionally reviewing how your pension is invested, a SIPP typically offers the lowest costs and the widest choice for that effort. If you'd rather contributions were invested sensibly without you having to think about it, NEST or a stakeholder pension does that job with far less admin, at the cost of some flexibility and investment choice.

The second is how much you expect to save and how your income behaves. If your profits are steady and moderate, a low-cost default option like NEST is often perfectly sufficient. If profits are large or variable — a strong year followed by a leaner one — the flexibility of a SIPP to accept lump sums whenever cash allows, combined with carry forward rules that let you use unused annual allowance from the previous three tax years, tends to suit better. If you're under 40 and want an option that could also help fund a first home deposit, adding a Lifetime ISA alongside whichever pension you choose gives you that extra flexibility, provided you're comfortable with its access rules. There's no requirement to pick only one: many self-employed savers run a SIPP or NEST as their core pension and use a LISA as a smaller, complementary pot alongside it.

If you've moved from employment to self-employment

Many self-employed people didn't start out self-employed — you may have one or more old workplace pensions from previous jobs, sitting untouched since you left. It's worth tracking these down using the government's free Pension Tracing Service if you've lost contact with a scheme, and deciding whether to leave them where they are, consolidate them into your new SIPP or NEST pot for simplicity, or keep them separate. There's no single right answer: consolidating can make a pension easier to manage and track over time, but always check whether an old scheme carries valuable guarantees or high exit charges before moving it, since some older-style personal pensions and a handful of older workplace schemes include guaranteed annuity rates or other features that are expensive, or impossible, to replace elsewhere. If in doubt, this is exactly the kind of decision where speaking to a regulated financial adviser, or at minimum getting free guidance from MoneyHelper, is worth the time before you transfer anything.

This guide is provided for general information only and doesn't constitute financial advice. Pension and tax rules can change, and the right choice depends on your personal circumstances. MoneyHelper offers free, impartial guidance on pensions and retirement saving, including a Pension Wise appointment if you're 50 or over.