Top Companies Hiring for Administration Assistant Jobs

Since arriving in the UK in 1990, we’ve gone on to be one of the biggest (and the highest-paying) supermarkets in the game, with a team of 45,000 colleagues who make Everyday Amazing. We've been crowned the 'Retail Employer of the Year' at the Grocer Gold Awards four times, which is a testament to the amazing people who make up #TeamAldi. Across our Stores, Warehouses and Offices, we work together to achieve one goal: giving our customers the best quality products at the best prices. Our aim is to be the nation’s favourite place to shop and to work, which is why we reward our colleagues with amazing pay, benefits and support. Why not start your journey? 🎉

At M&S, we're dedicated to being the most trusted retailer, prioritising quality and delivering value. Every day, we bring the magic of M&S to our customers, whenever, wherever and however they want to shop with us. For over a century, we've set the standard, doing the right thing and embracing innovation. Today, with over 65,000 colleagues serving 32 million customers globally, we're putting quality products at the heart of everything we do. Tomorrow holds boundless opportunities with us. We're pioneering digital innovation and shaping the future of retail where our values drive every action. We stay close to customers and colleagues, always curious and connected. Our decisions are bold, our actions ambitious. Transparency is paramount, with straightforward, honest communication. We're constantly innovating, always striving for the best. Our focus is on aiming higher and winning together, combined with wise financial decisions to secure our future. Join us at M&S to shape the future of retail.

Over 150 years old and still going strong, we’re the UK’s second-biggest retailer. Every day, the nation shops with us because they know they’ll get affordable, good food and excellent service. We focus on great value and convenient shopping across our family of brands, from Argos, Nectar and Habitat to Sainsbury’s Bank, Smart Charge and Tu. What’s next for Sainsbury’s? We've put food back at the heart of our business and we’re taking Sainsbury’s to the next level. We’re investing in technology and people and we’re thinking bigger about how we attract and connect with our customers, while doing everything we can to create a more resilient UK food system.

McDonald’s is proud to be one of the most recognized brands in the world, with restaurants in over 100 countries and billions of customers served each year. As the global leader in the food service industry, we have a legacy of innovation and hard work that continues to drive us. Today, we are growing with velocity and are focused on modernizing our experiences, not to make a different McDonald’s but to build a better McDonald’s. About 80% of the restaurants are run by franchisees or affiliates.

The civil service helps the government of the day develop and deliver its policies as effectively as possible. We work in three types of organisations – departments, agencies, and non-departmental government bodies (NDPBs). We cover a wide range of areas touching on everyone’s day-to-day lives, such as education, health and policing. Because our organisations deal with so many different aspects of government, civil servants work in an enormous variety of roles. We’re politically impartial. Our workforce includes people who deliver crucial services direct to the public across the UK, such as Jobcentre Plus staff and coastguards. We also have staff working on policy development and implementation, including analysts, project managers, lawyers and economists.

HMRC is one of the largest employers in the UK with over 66,000 employees nationwide. We’re not just about collecting taxes from individuals and businesses. The revenue we gather funds vital public services, from schools and hospitals to roads and communities, making a real difference in people’s lives. Here, your commitment to social good will thrive as you take pride in playing a crucial role in supporting society. We also champion workers’ rights by enforcing the minimum wage and support families by administering benefits like child benefit, tax-free childcare, statutory sick pay and tax credits. But there’s so much more to HMRC than tax! We offer diverse career paths across the UK in areas such as commercial, property management, communications, human resources, project delivery, digital services and more. Discover the surprising range of opportunities and see where your career could take you. When you join us, we’ll invest in you, fostering your sense of belonging in an inclusive work environment that provides the training and support you need to progress in your career. You’ll collaborate with talented and supportive colleagues, where your unique perspective is valued. This encourages innovation and empowers everyone to bring their best selves to work.

WHERE GREAT WORK COMES TOGETHER. It takes more than a CV and a job spec to make a good match. It takes experience. Instinct. The understanding to dig deeper. To sense the spark, spot the misalignment and see ahead where there’s room for potential. We’ve done this for 75 years. We don’t do things by the book. We do them properly. Asking better questions. Listening for what’s not said. Working quickly but never cutting corners. We don’t just help you land a job. We help you build a career that lasts. We believe in… The right fit. Work should work − for the candidate and the business. We look past CVs to what the role really needs − and what the person’s ready to deliver. A good match doesn’t just fill a gap. It solves problems. With instinct, insight and experience. That’s where real work starts. Real care. We deliver care you can count on. For clients, it’s knowing we see people − not just CVs. For candidates, it’s support that shows up at every step. Real care means we’re in it with you, from first chat to first day. Same team mindset. Same team, same goal. We bring candidates and clients in early, agree on what matters and keep things clear from the start. No sides − just people working toward the right outcome. When everyone’s in it together, trust builds and the right hire sticks. The middle is where it matters. The space between client and candidate, between what’s written down and what’s really needed - that’s where we work best. We listen, ask better questions and understand what matters on both sides. DOING WHAT’S RIGHT. WHERE IT COUNTS. Recruitment is about more than filling roles. It’s about unlocking potential and helping businesses thrive. That’s why Corporate Social Responsibility is built into everything we do. • Community impact: We support local communities across the UK. • Charity partnership: We proudly back the British Heart Foundation, helping fund life-saving research into heart and circulatory diseases. • Environmental commitment: We actively reduce waste and manage energy use to minimise our footprint. ________________________________________ CERTIFIED TO DELIVER. COMMITTED TO DO MORE. We’re serious about standards. • ISO 9001:2015 certified for high-quality recruitment • Cyber Essentials accredited for secure operations • GLAA licensed (BROO0002) for ethical workforce management • REC member, upholding the highest recruitment standards • Disability Confident Leader (Level 3), helping more people into meaningful work • Committed to the Thriving at Work Report’s healthy workplace standards Because great recruitment isn’t just about results − it’s about how you get there. ________________________________________ GLOBAL REACH. LOCAL IMPACT. Brook Street is part of ManpowerGroup, a world leader in workforce solutions operating in 80 countries. Every year, ManpowerGroup helps thousands of companies build stronger teams, and millions of people find meaningful work. Named one of the World’s Most Ethical Companies for 16 years running, ManpowerGroup leads with integrity, innovation and impact.

ASOS’ 3,000+ employees are immersed in the creative worlds, live on their mobiles and have a truly entrepreneurial attitude. As a company, we’re not trying to mimic or profit from youth culture – we are part of that youth culture. ASOS is at its heart about people: every single person helping us to achieve our goals of becoming the number-one online fashion destination for 20-somethings in the world. We’re always looking for people to play a part in our progress – people who are as passionate as we are and grab the possibilities for change and innovation with both hands. ASOS is a place where fashion and technology come together in perfect harmony, each side inspiring the other to ever-soaring new heights.

We’ve been a family-run business for 40 years, working together with our partners to provide the best value optometry, audiology and other healthcare service for our customers both instore and supporting local communities at home. You’ll find us in the UK, Ireland, Netherlands, Norway, Sweden, Denmark, Finland, Spain, Canada, Australia and New Zealand employing over 35,000 people who work across our stores, support offices and supply chain function.