Guidance

Claim Research and Development (R&D) expenditure credit

ClaimHow to claim R&D expenditure credit (RDEC) tofor get Corporation Tax relief on your company's researchR&D, if you’re a large company or small and developmentmedium-sized costs. enterprise.

OverviewWhat is Research and Development (R&D) tax relief

R&D expendituretax creditrelief (RDEC)supports replacedcompanies thethat largework companyon schemeinnovative projects in Aprilscience 2016.and technology.

You cannot claim if the advance is in:

  • the arts
  • humanities
  • social sciences, including economics

What is R&D expenditure credit can(RDEC)

Expenditure alsocredit is a tax credit and can be claimed byif you’re either a:

  • received

    Whether your company makes a grantprofit or subsidyloss, forsome theiror R&Dall project

  • of the expenditure whichcredit ismay morebe thanused theto SMEsettle schemeyour aidcompany’s, cap
or other group companies’ Corporation Tax liabilities.

YouIn mightsome docircumstances thisthe asexpenditure acredit SMEcan:

Expenditure credit rates

The expenditure credit is calculated atas 13%a percentage of your company’s qualifying R&D expenditureexpenditure, (thisthe raterates appliesare:

  • 11% tofrom expenditure1 incurredApril on2015 orup afterto 1and Aprilincluding 2020)31 andDecember is2017
  • 12% taxablefrom as1 tradingJanuary income.

    Regardless2018 ofup whetherto yourand companyincluding makes31 aMarch profit2020

  • 13% orfrom loss,1 someApril or2020 allup ofto theand creditincluding may31 beMarch used2023
  • 20% tofrom discharge1 yourApril company’s2023

Check (orwhat otherexpenditure groupqualifies companies’)for corporationexpenditure tax liabilities.

credit

InBefore someyou circumstances,make ita canclaim befor usedexpenditure tocredit, dischargecheck otherthat taxthe liabilitiescosts:

  • are yourpart companyof isa liablespecific for.

    Aproject claimto formake R&Dan expenditureadvance creditin canscience leador totechnology, ait cashcannot paymentbe ofan creditadvance toin yourthe companyarts, inhumanities someor circumstances.

    Yousocial mustsciences, including economics

  • meet ourthe standard definition of R&D
  • qualify tofor getexpenditure R&Dcredit, listed in the section ‘Which expenditure credit.

    qualifies for expenditure credit’

CostsWhich youexpenditure canqualifies claimfor expenditure credit

You can claim coststhe expenditure credit on some of the projectcosts you incur from the datestart youto startthe workingend onof the uncertaintyproject.

R&D untilstarts youwhen developwork orbegins discoverto resolve the advance,scientific or thetechnological projectuncertainty and ends when that uncertainty is stopped.resolved, or the work to resolve it stops.

Staff costs

ForThe stafffollowing workinginformation directlywill ontell theyou R&Dwhich project,costs you can and cannot claim afor.

Consumable items

You can claim for the relevant proportion of their:consumable items used up in the R&D, this includes:

  • salariesfuel
  • wagesmaterials
  • Class 1 National Insurance contributionspower
  • pension fund contributionswater

You cancannot claim forthe administrativecosts if you sell or supporttransfer staffownership whoof workthe toconsumable directlyitems supportused aup projectin (forthe example,R&D.

Clinical specialisttrials cleaningvolunteers

For staff).R&D Youprojects cannotin claimthe forpharmaceutical clericalindustry, oryou maintenancecan workclaim thatfor wouldpayments havemade beento donevolunteers anyway,involved likein managingclinical payroll.tests.

Contributions for independent R&D

You can claim 65%for ofcontributions the relevant payments made tofor anindependent externalR&D, agencyas iflong theyas provideyou’re staffa forlarge the project.company.

Subcontractor costs

SubcontractedThe expenditureperson cannotreceiving bethe claimedcontribution unlessmust it is directly undertaken by:be:

  • a charityqualifying body
  • aan higher education instituteindividual
  • a scientificfirm researchwhose organisationmembers are all individuals

They cannot be connected to your company.

The contributions made by you for the independent R&D must:

  • abe healthrelevant serviceto bodyyour trade
  • annot individualbe orsub-contracted partnershipby ofyour individualscompany

You cannot claim any contributions if you’re a SME.

ConsumableData itemslicence and cloud computing

YouFor canaccounting claimperiods forbeginning allon consumableor itemsafter used1 upApril in2023, thequalifying R&D.expenditure Thisis extended to include data licence costs and cloud computing costs.

A data licence is a licence to access and use a collection of digital data.

Cloud computing includes:

  • materialsdata storage
  • utilitieshardware facilities
  • operating systems
  • software platforms

Costs

You thatcan cannotclaim befor claimedmost data and cloud computing costs spent on R&D.

Externally provided worker costs

YouWorkers cannotsupplied claimby for:a staff provider such as an employment agency, are classed as externally provided workers.

You can:

  • claim 100% of the productionrelevant andpayments, distributionif ofyour goodscompany and services
  • capitalthe expenditurestaff provider are connected
  • theclaim cost65% of land
  • the costrelevant ofpayments patentsmade andto trademarks
  • renta orstaff ratesprovider, which is not connected to your company, if they supply externally provided workers for the project

Work

Staff outcosts

For staff working directly on the periodR&D project, you can applyclaim relief for

The projectthe startsfollowing whencosts, youas beginlong workingas they relate to resolveR&D:

  • salaries
  • wages
  • pension thefund uncertainty.contributions
  • secondary Class 1 National Insurance contributions paid by the company

You willcan needalso claim for administrative or support staff who work to identifydirectly thesupport technicala issuesproject, thatfor needexample, human resources used to berecruit resolved,a andspecific makeperson sureto therework ison notthe anproject existingor solutionspecialist thatcleaning hasstaff, alreadythese beenare workedknown out.as qualifying indirect activities.

TheYou projectcannot endsclaim whenfor:

  • bonuses
  • redundancy youpayments
  • staff solvecosts thefor uncertaintyclerical or stopmaintenance workingwork onthat it.would Thehave periodbeen youdone anyway, like managing payroll

Software

You can claim for software licence fees for R&D expenditureand credita forreasonable shouldshare endof oncethe youcosts havefor asoftware workingpartly prototypeused thatin solvesyour theR&D problem,activities.

Subcontractor andcosts

Subcontracted beforeexpenditure youcannot gobe intoclaimed production.unless it’s directly undertaken by:

Your

  • a R&Dqualifying maybody, restartfor ifexample youa findcharity, anotherhigher education institute, scientific research organisation or technologicalhealth uncertaintyservice afterbody
  • an youindividual haveor starteda producingfirm thewhere product.each Ifmember thisis happens,an youindividual

Other cancosts that do not qualify

You cannot claim for anotherexpenses periodrelating to:

  • the production and distribution of R&Dgoods whileand youservices
  • capital tryexpenditure
  • the tocost resolveof it.

    land
  • the cost of patents and trademarks
  • rent or rates

YouRead canmore makeinformation aabout claimqualifying upexpenditure tofor 2R&D yearsprojects afterin theCIRD82000 end of the accountingCorporate periodIntangibles itResearch relatesand to.Development Manual.

Calculate R&Dthe expenditure credit

ToFollow calculatethese yoursteps expenditureto youcalculate needthe to:expenditure credit.

  1. Work out the costs that wereare directly attributable to R&D.

  2. Reduce any relevant subcontractor or external staff provider payments to 65% of the original cost.

  3. Add all costs together.

  4. Multiply the figure by 13%the expenditure credit rate to get the expenditure credit.

  5. Enter this figure into your tax return.

ClaimBefore R&Dyou expenditure creditclaim

ClaimYou themust creditfollow bythese enteringsteps yourbefore expenditureyou intoclaim the fullexpenditure Companycredit, Taxor Return form (CT600).

If your claim coversmay anot periodbe of 12 months or more, submit a separate claim for each accounting period.valid.

  1. YouFor canaccounting sendperiods morebeginning informationon toor HMRCafter online1 toApril support2023, yourcheck claim.

    Toif support your claim online, you need ato Governmentsubmit Gatewaya userclaim IDnotification andform password.to Ifnotify youHMRC doin notadvance haveof ayour userclaim. ID,Read youthe canguidance createwhich onetells theyou firstwhen time you useneed to notify, the service.

    Whatinformation you will need to provide toand supporthow yourto claim

    send it
    .

  2. YouFrom will1 needAugust to2023 provideyou amust shortsubmit summaryan thatadditional explainsinformation howform to support your project:

If

How youto areclaim

Claim claimingusing the creditCompany on:Tax Return and:

  • 1show tothe 3expenditure projects,credit youas musttaxable includeincome detailsin ofyour allprofit projects
  • 4and orloss moreaccount, projects,or youby mustadding includeit detailedto descriptionsyour ofprofit atin leastthe 3single projectsiXBRL (upcomputations tofile
  • put aan maximum‘X’ ofin 10),box which656 betweento themtell coverus 50%that oryou’ve moresubmitted ofthe yourclaim totalnotification qualifying R&D costsform

You will also need:

  • theput startan and‘X’ endin datesbox of657 theto accountingtell periodus relatingthat toyou’ve submitted the R&Dadditional activityinformation form
  • include theseyour shouldbank bedetails theso samethat datesHMRC ascan make the periodpayment

Complete coveredthe bysupplementary yourform CT600CT600L.

Guidance return

  • youris Uniqueavailable Taxpayerto Referencehelp (UTR)you numbercomplete
  • details of your qualifyingCompany R&DTax costs
  • Return.

    When

    If youyour cannottax userelief theclaim onlinecovers service

    Ifmore youthan need12 tomonths, sendsubmit supportinga informationseparate claim for moreeach thanaccounting 10period.

    You R&Dcan projectsmake whicha coverclaim atfor leasttax 50%relief ofup yourto total2 qualifyingyears R&Dafter expenditurethe creditend costs,of youthe needaccounting toperiod either:it relates to.

    • contact

      Check yourthe Customer‘Before Complianceyou Managerclaim’ (CCM)section ifto youmake havesure one

    • emailthat theyour informationtax to:relief RD.IncentivesReliefs@hmrc.gov.ukclaim will be valid.

    How to applyuse the expenditure credit

    You must completefollow thethese following steps to applyuse R&Dthe expenditure credit:credit before the final amount is paid to your company.

    1. TheUse the credit must be used to settle your Corporation Tax liability for the accounting period. However, you’ll need to pay Corporation Tax on the credit. If the credit means youyou’re are due a repayment for Corporation Tax that has already been paid, the interest will be calculated on a last in, first out basis.

    2. If youthere haveis R&Dany expenditure credit remainingleft after stepsettling 1,your theCorporation amountTax isliability reducedgo byto applyingstep a2. notionalIf taxthere chargeis tono it.expenditure Thecredit notionalleft, taxyou chargedo mustnot beneed basedto onfollow thestep main2 rateto ofstep Corporation7.

    3. Compare Tax for the accountingamount period.of Ifexpenditure thecredit amountbrought remainingforward afterfrom step 1 iswith higherthe thannet whatamount theof valueexpenditure ofcredit theyou’ve totalclaimed. creditThe minuslower of the notional2 taxfigures chargeis wouldcarried havedown been,to youstep must3. useThe thenet valueamount of theexpenditure total credit minusis the notionalfigure taxyou’ve chargeclaimed inminus stepCorporation 3.Tax at the main rate.

    4. TheCompare the expenditure credit mustbrought notforward befrom higherstep than2 with your company’s total expenditure on R&D workers’ PAYE and National Insurance contributionscontributions. forThe thelower accountingof period.the The2 amountfigures overis thiscarried limitdown willto bestep added4. toIf anythe expenditure credit inbrought forward exceeds the nexttotal accountingspent period.on R&D workers PAYE and National Insurance contributions, the excess amount is carried forward to future periods.

    5. TheYou remainingmust amountuse isthe usedremaining amount to pay any outstanding Corporation Tax liabilities for any accounting periods.

    6. TheYou credit can besurrender surrenderedthe incredit wholewholly or partpartly to any group member. The amount surrendered can only be used to discharge a Corporation Tax liability of that group member.

    7. TheYou creditmust canuse bethe usedexpenditure credit to discharge any other company liabilities, like VAT or liabilities under a contract settlement.

    8. The final amount canis be paid to your company.

    Published 1 January 2007
    Last updated 51 AugustApril 20222023 + show all updates
    1. More information has been added about R&D expenditure credit (RDEC). How to calculate the expenditure credit, how to claim and how to use the expenditure credit have been updated. New sections have been added about expenditure credit rates, how to check what expenditure qualifies for expenditure credit, and what you need to do before you claim the expenditure credit for accounting periods beginning on or after 1 April 2023 and for claims from 1 August 2023.

    2. The 'Overview' section has been updated with information about when R&D expenditure credit can be claimed and to clarify what tax liabilities can be discharged with the credit.

    3. The email address in the 'When you cannot use the online service' section has been updated.

    4. The Research and Development Expenditure Credit rate changed from 12% to 13% on expenditure incurred on or after 1 April 2020.

    5. The Research and Development Expenditure Credit rate changed from 12% to 13%.

    6. Page has been updated with information about your expenditure when working out Research and Development Expenditure Credit

    7. You can now send supporting information for your RDEC claim using an online service - a link to the service and details of what you'll need has been added to this guidance.

    8. The Research and Development Expenditure Credit changed from 11% to 12% on 1 January 2018.

    9. First published.