{"id":12920,"date":"2026-06-05T02:15:33","date_gmt":"2026-06-05T00:15:33","guid":{"rendered":"https:\/\/leyton.majjane.agency\/uk\/?post_type=article&#038;p=12920"},"modified":"2026-07-26T16:23:41","modified_gmt":"2026-07-26T14:23:41","slug":"advance-assurance-for-rd-tax-credits-explained-2","status":"publish","type":"article","link":"https:\/\/leyton.com\/uk\/insights\/articles\/advance-assurance-for-rd-tax-credits-explained-2\/","title":{"rendered":"Advance assurance for R&amp;D Tax Credits explained"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Advance assurance is a voluntary scheme for SMEs submitting an <a href=\"https:\/\/leyton.com\/uk\/r-and-d-tax-credits\/\">R&amp;D Tax Credits<\/a> claim, allowing you to know upfront if your claim will be accepted.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Your business just needs to provide HMRC with details of your R&amp;D projects so that they can assess if your work qualifies for relief.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HMRC currently offers two types of advance assurance:<\/p>\n\n\n<section id=\"ori-list_block\" class=\"ori-list full-w \"><div class=\" ori-list_only\">\n    <div class=\"ori-container\">\n        <div class=\"ori-row\">\n            <div class=\"list-content\">\n                                <ul>\n                    u003cliu003efull claim advance assurance service (for first time SME claimants)u003c\/liu003eu003cliu003ea targeted advance assurance service pilot (open to all SMEs to check complex or high-risk parts of a projects)u003c\/liu003e                <\/ul>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div><\/section>\n\n\n<p class=\"wp-block-paragraph\">In this article, we explain how the two advance assurance R&amp;D services work and who should use each scheme.<\/p>\n\n\n\n<h2 id=\"h-what-is-the-difference-between-hmrc-s-two-advance-assurance-services\" class=\"wp-block-heading\">What is the difference between HMRC\u2019s two advance assurance services?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The difference between the two advance assurance schemes is essentially that the full claim service is only for eligible SMEs claiming for the first time, covering up to three accounting periods and offering assurance for entire claims. The full claim service therefore offers reassurance for you if your business has no experience claiming R&amp;D Tax Credits.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the targeted pilot service, your SME can have previously claimed R&amp;D Tax Credits, but you might want extra clarity from HMRC on complex or high-risk areas of your claim.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.gov.uk\/guidance\/research-and-development-tax-relief-advance-assurance\">The pilot runs until May 2027<\/a>, offering more accessible and focused assurance. You can make up to two applications, with each application including one project and one area of your claim. The areas that HMRC will check as part of the pilot include:<\/p>\n\n\n<section id=\"ori-list_block\" class=\"ori-list full-w \"><div class=\" ori-list_only\">\n    <div class=\"ori-container\">\n        <div class=\"ori-row\">\n            <div class=\"list-content\">\n                                <ul>\n                    u003cliu003eDoes the project meet the definition of Ru0026amp;D for tax purposes?u003c\/liu003eu003cliu003eDoes overseas expenditure qualify for relief?u003c\/liu003eu003cliu003eWhich party can claim relief for contracted-out expenditure?u003c\/liu003eu003cliu003eDoes the company qualify for exemption from the PAYE or NICs cap?u003c\/liu003e                <\/ul>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div><\/section>\n\n\n<p class=\"wp-block-paragraph\">You can only apply for advance assurance through one of the services for the same project or claim period.<\/p>\n\n\n\n<h2 id=\"h-what-details-are-needed-for-an-advance-assurance-r-amp-d-tax-credits-claim\" class=\"wp-block-heading\">What details are needed for an advance assurance R&amp;D Tax Credits claim?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">To prepare for a full claim advance assurance R&amp;D application, you will need to provide the following details:<\/p>\n\n\n<section id=\"ori-list_block\" class=\"ori-list full-w \"><div class=\" ori-list_only\">\n    <div class=\"ori-container\">\n        <div class=\"ori-row\">\n            <div class=\"list-content\">\n                                <ul>\n                    u003cliu003eBasic company informationu003c\/liu003eu003cliu003eCompany registration documentsu003c\/liu003eu003cliu003eCompany accountsu003c\/liu003eu003cliu003eCompany tax returns (unless you\u2019re a new company)u003c\/liu003eu003cliu003eContact details of someone with knowledge of the Ru0026amp;D work (e.g., research lead or director)u003c\/liu003eu003cliu003eDetailed description of Ru0026amp;D projects, including how they have attempted to overcome a scientific or technological uncertaintyu003c\/liu003eu003cliu003eBreakdown of all Ru0026amp;D-related costsu003c\/liu003eu003cliu003eAny previous correspondence with HMRC related to an advance assurance applicationu003c\/liu003e                <\/ul>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div><\/section>\n\n\n<p class=\"wp-block-paragraph\">The targeted advance assurance pilot asks for some more specific project information, including the types of records you keep. If you want to claim for overseas expenditure, you must also explain why you believe your project qualifies for the relief.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You or an authorised agent can submit your advance assurance application online or you can print the form and post it to HMRC, using the <a href=\"https:\/\/www.tax.service.gov.uk\/print-and-post\/form\/CorporationTax\/1.0\/CTRD\/ctrd.xdp\">CT&nbsp;R&amp;D&nbsp;(AA) application for advance assurance<\/a> for full claims, or the <a href=\"https:\/\/forms.office.com\/pages\/responsepage.aspx?id=PPdSrBr9mkqOekokjzE54U_FwMryKuFCocdClACqHNJUNVpDNE9OMElPNEFZR1JLVUVXWkpTSTRZSC4u&amp;route=shorturl\">advance assurance pilot application<\/a>.<\/p>\n\n\n\n<h2 id=\"h-who-can-apply-for-advance-assurance\" class=\"wp-block-heading\">Who can apply for advance assurance?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SMEs conducting R&amp;D can apply for full claim advance assurance if:<\/p>\n\n\n<section id=\"ori-list_block\" class=\"ori-list full-w \"><div class=\" ori-list_only\">\n    <div class=\"ori-container\">\n        <div class=\"ori-row\">\n            <div class=\"list-content\">\n                                <ul>\n                    u003cliu003eIt\u2019s your first Ru0026amp;D relief claimu003c\/liu003eu003cliu003eYour turnover is below \u00a32 millionu003c\/liu003eu003cliu003eYou have less than 50 employeesu003c\/liu003eu003cliu003eYou have Ru0026amp;D work planned or completed (but not claimed for)u003c\/liu003eu003cliu003eYou\u2019re part of a group where none of the companies have previously claimed Ru0026amp;D relief.u003c\/liu003e                <\/ul>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div><\/section>\n\n\n<p class=\"wp-block-paragraph\">Any SME carrying out or planning to carry out R&amp;D can apply to take part in the targeted pilot advance assurance scheme, even if you\u2019re not a first-time claimant, as long as you\u2019ve not already received assurance in two areas of your R&amp;D claim.<\/p>\n\n\n\n<h2 id=\"h-what-happens-after-you-apply-for-advance-assurance\" class=\"wp-block-heading\">What happens after you apply for advance assurance?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">After you apply for the full claim advance assurance service, HMRC will email you to arrange a phone call to discuss your R&amp;D project in more detail.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the targeted pilot, unless there are any issues, HMRC aims to review applications within 40 calendar days and will be in touch if they have any questions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After reviewing your application, HMRC will send you a letter confirming if you have been successful.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019ve made a full claim advance assurance application that has been approved, your business will then be given an &#8216;advance assurance agreement&#8217; guaranteeing that your claim will be accepted (as long as the claim matches the original submission). Advance assurance agreements are available for a business\u2019 first three accounting periods.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019ve applied through the targeted pilot service, you\u2019ll simply get a letter confirming that the areas reviewed have been granted advance assurance. You may also be asked to give some feedback on the pilot.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you haven\u2019t been successful, HMRC will let you know why, but you can\u2019t appeal the decision or submit another advance assurance application (although, you can still submit a claim for R&amp;D Tax Credits).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remember, even if you\u2019ve been successful, you\u2019ll still need to make a claim for R&amp;D Tax Credits.<\/p>\n\n\n\n<h2 id=\"h-how-leyton-can-help\" class=\"wp-block-heading\">How Leyton can help<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">While HMRC will confirm if what you\u2019ve submitted is eligible for an <a href=\"https:\/\/leyton.com\/uk\/r-and-d-tax-credits\/\">R&amp;D Tax Credits<\/a> claim, it\u2019s still possible to miss out on valuable R&amp;D relief. Or even worse, if an advance assurance claim is rejected, you won\u2019t be able to appeal the decision or re-submit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At Leyton UK, we\u2019re here to help. We\u2019ll assess every part of your work to identify eligible R&amp;D Tax Credits expenses. We\u2019ll make sure that your claim is robust, giving you peace of mind that you\u2019ve maximised your claim.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We&#8217;ll do the hard work, preparing all the required information while making the process as hassle-free as possible. We can even complete the advance assurance application for you, as well as prepare your final claim submission.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Want to discuss how advance assurance can benefit your R&amp;D planning? <a href=\"https:\/\/leyton.com\/uk\/contact-us\/\">Book a call<\/a> with one of our friendly experts today.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you enjoyed this article, you might also like:<\/p>\n\n\n<section id=\"ori-list_block\" class=\"ori-list full-w \"><div class=\" ori-list_only\">\n    <div class=\"ori-container\">\n        <div class=\"ori-row\">\n            <div class=\"list-content\">\n                                <ul>\n                    u003cliu003eu003ca href=u0022https:\/\/leyton.com\/uk\/insights\/articles\/what-is-an-rd-project\/u0022u003eu003cstrongu003eWhat is an Ru0026amp;D project?u003c\/strongu003eu003c\/au003eu003c\/liu003eu003cliu003eu003ca href=u0022https:\/\/leyton.com\/uk\/insights\/articles\/what-qualifies-as-rd-expenditure-for-claiming-tax-relief\/u0022u003eu003cstrongu003eWhat qualifies as Ru0026amp;D expenditure for claiming tax relief?u003c\/strongu003eu003c\/au003eu003c\/liu003e                <\/ul>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div><\/section>","protected":false},"excerpt":{"rendered":"<p>We explain how HMRC\u2019s advance assurance scheme works for R&#038;D Tax Credits claims, including details of the new targeted pilot.<\/p>\n","protected":false},"author":31,"featured_media":12921,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[684,682],"expertise":[468],"class_list":["post-12920","article","type-article","status-publish","format-standard","has-post-thumbnail","hentry","tag-advance-assurance","tag-rd-tax-credits","expertise-rd-tax-credits"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - 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