- You have a crazy high height set (1963px), or being invoked, on your Services page, creating that vast expanse of white. Also, the light green footer bar, present on other pages, is not on there. You might look to see if something's broken, causing both issues.
- Logo isn't on sub pages.
- Subjective, but... a green grass photo header doesn't offer much, when coupled with that green, gradient background. Read: there's no contrast.
- You look to be loading 20+ Google fonts. That's 10x too many and, in my experience, might be a new record.
- Use higher-quality images. What you have looks grainy and/or overly color "modified" (your home page image has better, higher-resolution versions for sale.).
- Download the Moz Beginner's Guide to SEO
, read it, and apply what you learn. Start with your TITLE tags.